./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.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 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:43:21,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:43:21,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:43:21,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:43:21,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:43:21,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:43:21,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:43:21,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:43:21,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:43:21,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:43:21,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:43:21,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:43:21,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:43:21,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:43:21,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:43:21,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:43:21,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:43:21,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:43:21,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:43:21,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:43:21,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:43:21,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:43:21,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:43:21,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:43:21,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:43:21,250 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:43:21,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:43:21,252 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:43:21,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:43:21,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:43:21,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:43:21,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:43:21,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:43:21,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:43:21,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:43:21,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:43:21,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:43:21,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:43:21,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:43:21,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:43:21,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:43:21,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:43:21,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:43:21,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:43:21,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 [2024-11-09 11:43:21,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:43:21,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:43:21,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:43:21,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:43:21,544 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:43:21,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2024-11-09 11:43:22,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:43:23,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:43:23,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2024-11-09 11:43:23,161 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2559ea403/77f6780b80234cd1b46c46452684fd9b/FLAGff7616e80 [2024-11-09 11:43:23,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2559ea403/77f6780b80234cd1b46c46452684fd9b [2024-11-09 11:43:23,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:43:23,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:43:23,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:43:23,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:43:23,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:43:23,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cfef78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23, skipping insertion in model container [2024-11-09 11:43:23,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:43:23,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:43:23,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:43:23,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:43:23,471 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:43:23,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23 WrapperNode [2024-11-09 11:43:23,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:43:23,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:43:23,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:43:23,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:43:23,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,518 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2024-11-09 11:43:23,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:43:23,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:43:23,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:43:23,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:43:23,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,558 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:43:23,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:43:23,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:43:23,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:43:23,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:43:23,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (1/1) ... [2024-11-09 11:43:23,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:43:23,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:23,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:43:23,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:43:23,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:43:23,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:43:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:43:23,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:43:23,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:43:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:43:23,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:43:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:43:23,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:43:23,768 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:43:24,312 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-09 11:43:24,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:43:24,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:43:24,324 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:43:24,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:43:24 BoogieIcfgContainer [2024-11-09 11:43:24,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:43:24,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:43:24,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:43:24,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:43:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:43:23" (1/3) ... [2024-11-09 11:43:24,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c86cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:43:24, skipping insertion in model container [2024-11-09 11:43:24,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:43:23" (2/3) ... [2024-11-09 11:43:24,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c86cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:43:24, skipping insertion in model container [2024-11-09 11:43:24,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:43:24" (3/3) ... [2024-11-09 11:43:24,330 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound5.c [2024-11-09 11:43:24,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:43:24,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-09 11:43:24,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:43:24,403 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;@6e669c23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:43:24,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-09 11:43:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 122 states have internal predecessors, (133), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:43:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:43:24,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:24,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:24,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:24,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash 945134443, now seen corresponding path program 1 times [2024-11-09 11:43:24,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:24,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923112225] [2024-11-09 11:43:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:24,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923112225] [2024-11-09 11:43:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923112225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:24,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:24,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:43:24,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175770858] [2024-11-09 11:43:24,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:24,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:43:24,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:24,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:43:24,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:43:24,586 INFO L87 Difference]: Start difference. First operand has 134 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 122 states have internal predecessors, (133), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-09 11:43:24,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:24,607 INFO L93 Difference]: Finished difference Result 264 states and 306 transitions. [2024-11-09 11:43:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:43:24,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 26 [2024-11-09 11:43:24,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:24,615 INFO L225 Difference]: With dead ends: 264 [2024-11-09 11:43:24,615 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 11:43:24,618 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 [2024-11-09 11:43:24,620 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:24,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:43:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 11:43:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-09 11:43:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 116 states have internal predecessors, (119), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:43:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2024-11-09 11:43:24,650 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 26 [2024-11-09 11:43:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:24,651 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2024-11-09 11:43:24,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-09 11:43:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2024-11-09 11:43:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:43:24,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:24,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:24,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:43:24,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:24,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:24,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2126333663, now seen corresponding path program 1 times [2024-11-09 11:43:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:24,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243894003] [2024-11-09 11:43:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:24,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:24,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:24,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243894003] [2024-11-09 11:43:24,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243894003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:24,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:24,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:43:24,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886070203] [2024-11-09 11:43:24,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:24,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:43:24,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:24,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:43:24,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:43:24,851 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:25,132 INFO L93 Difference]: Finished difference Result 216 states and 236 transitions. [2024-11-09 11:43:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:43:25,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-09 11:43:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:25,136 INFO L225 Difference]: With dead ends: 216 [2024-11-09 11:43:25,136 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:43:25,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:43:25,137 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 208 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:25,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 329 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:43:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2024-11-09 11:43:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:43:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2024-11-09 11:43:25,175 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 27 [2024-11-09 11:43:25,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:25,175 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2024-11-09 11:43:25,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2024-11-09 11:43:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:43:25,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:25,177 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:25,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:43:25,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:25,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash 865219886, now seen corresponding path program 1 times [2024-11-09 11:43:25,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:25,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814139095] [2024-11-09 11:43:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:25,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302650014] [2024-11-09 11:43:25,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:25,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:25,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:25,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:25,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:43:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:25,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:43:25,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:25,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814139095] [2024-11-09 11:43:25,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:25,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302650014] [2024-11-09 11:43:25,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302650014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:25,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:25,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:43:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292549890] [2024-11-09 11:43:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:25,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:43:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:43:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:25,260 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:25,427 INFO L93 Difference]: Finished difference Result 198 states and 216 transitions. [2024-11-09 11:43:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:43:25,427 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-09 11:43:25,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:25,429 INFO L225 Difference]: With dead ends: 198 [2024-11-09 11:43:25,429 INFO L226 Difference]: Without dead ends: 194 [2024-11-09 11:43:25,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:25,430 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 59 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:25,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 223 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:25,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-09 11:43:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2024-11-09 11:43:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 153 states have internal predecessors, (184), 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) [2024-11-09 11:43:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2024-11-09 11:43:25,439 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 30 [2024-11-09 11:43:25,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:25,439 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2024-11-09 11:43:25,439 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2024-11-09 11:43:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:43:25,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:25,440 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:25,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:43:25,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:25,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash 865219504, now seen corresponding path program 1 times [2024-11-09 11:43:25,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:25,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793243097] [2024-11-09 11:43:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:25,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240871226] [2024-11-09 11:43:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:25,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:25,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:25,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:25,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:25,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:43:25,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:25,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793243097] [2024-11-09 11:43:25,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240871226] [2024-11-09 11:43:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240871226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:25,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:25,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:43:25,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157879003] [2024-11-09 11:43:25,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:25,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:43:25,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:25,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:43:25,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:25,729 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:25,889 INFO L93 Difference]: Finished difference Result 196 states and 212 transitions. [2024-11-09 11:43:25,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:43:25,889 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-09 11:43:25,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:25,890 INFO L225 Difference]: With dead ends: 196 [2024-11-09 11:43:25,890 INFO L226 Difference]: Without dead ends: 194 [2024-11-09 11:43:25,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:25,891 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:25,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 241 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-09 11:43:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2024-11-09 11:43:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.75) internal successors, (182), 153 states have internal predecessors, (182), 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) [2024-11-09 11:43:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2024-11-09 11:43:25,907 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 30 [2024-11-09 11:43:25,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:25,908 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2024-11-09 11:43:25,908 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2024-11-09 11:43:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:43:25,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:25,908 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:25,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:26,111 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,SelfDestructingSolverStorable3 [2024-11-09 11:43:26,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:26,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1747340144, now seen corresponding path program 1 times [2024-11-09 11:43:26,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:26,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6932786] [2024-11-09 11:43:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:26,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6932786] [2024-11-09 11:43:26,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6932786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:26,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:26,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:43:26,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060410895] [2024-11-09 11:43:26,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:26,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:26,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:26,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:26,303 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:26,796 INFO L93 Difference]: Finished difference Result 191 states and 210 transitions. [2024-11-09 11:43:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:43:26,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-09 11:43:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:26,798 INFO L225 Difference]: With dead ends: 191 [2024-11-09 11:43:26,798 INFO L226 Difference]: Without dead ends: 190 [2024-11-09 11:43:26,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:26,799 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 53 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:26,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 418 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:43:26,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-09 11:43:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2024-11-09 11:43:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7428571428571429) internal successors, (183), 154 states have internal predecessors, (183), 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) [2024-11-09 11:43:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2024-11-09 11:43:26,808 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 32 [2024-11-09 11:43:26,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:26,808 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2024-11-09 11:43:26,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2024-11-09 11:43:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:43:26,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:26,809 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:26,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:43:26,809 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:26,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:26,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1747709550, now seen corresponding path program 1 times [2024-11-09 11:43:26,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:26,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561434844] [2024-11-09 11:43:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:26,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:26,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985517190] [2024-11-09 11:43:26,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:26,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:26,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:43:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:26,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:26,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:26,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:26,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561434844] [2024-11-09 11:43:26,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:26,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985517190] [2024-11-09 11:43:26,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985517190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:26,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429932731] [2024-11-09 11:43:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:26,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:26,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:26,963 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:27,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:27,197 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-11-09 11:43:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:27,197 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-09 11:43:27,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:27,198 INFO L225 Difference]: With dead ends: 188 [2024-11-09 11:43:27,198 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 11:43:27,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:27,199 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 186 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:27,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:27,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 11:43:27,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2024-11-09 11:43:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 154 states have internal predecessors, (182), 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) [2024-11-09 11:43:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2024-11-09 11:43:27,207 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 32 [2024-11-09 11:43:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:27,208 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2024-11-09 11:43:27,208 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2024-11-09 11:43:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:43:27,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:27,209 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:27,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:43:27,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:27,413 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:27,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1667030539, now seen corresponding path program 1 times [2024-11-09 11:43:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:27,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250098222] [2024-11-09 11:43:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:27,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237660204] [2024-11-09 11:43:27,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:27,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:27,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:27,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:27,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:43:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:27,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:43:27,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:27,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:27,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:27,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250098222] [2024-11-09 11:43:27,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:27,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237660204] [2024-11-09 11:43:27,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237660204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:27,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:27,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967146147] [2024-11-09 11:43:27,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:27,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:27,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:27,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:27,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:27,531 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:27,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:27,813 INFO L93 Difference]: Finished difference Result 189 states and 208 transitions. [2024-11-09 11:43:27,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:27,813 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-09 11:43:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:27,814 INFO L225 Difference]: With dead ends: 189 [2024-11-09 11:43:27,814 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:43:27,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:27,815 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 53 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:27,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:43:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:43:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2024-11-09 11:43:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 155 states have internal predecessors, (183), 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) [2024-11-09 11:43:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 207 transitions. [2024-11-09 11:43:27,822 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 207 transitions. Word has length 33 [2024-11-09 11:43:27,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:27,822 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 207 transitions. [2024-11-09 11:43:27,823 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2024-11-09 11:43:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:43:27,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:27,823 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:27,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:43:28,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,029 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:28,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:28,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1655578881, now seen corresponding path program 1 times [2024-11-09 11:43:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:28,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506656789] [2024-11-09 11:43:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:28,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635778782] [2024-11-09 11:43:28,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:28,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:43:28,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:43:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:28,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:28,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:28,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:28,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:28,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506656789] [2024-11-09 11:43:28,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:28,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635778782] [2024-11-09 11:43:28,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635778782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:28,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:28,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714302415] [2024-11-09 11:43:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:28,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:28,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:28,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:28,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:28,122 INFO L87 Difference]: Start difference. First operand 170 states and 207 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:28,277 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2024-11-09 11:43:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:28,277 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-09 11:43:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:28,278 INFO L225 Difference]: With dead ends: 189 [2024-11-09 11:43:28,278 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:43:28,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:28,279 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 184 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:28,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 187 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:43:28,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2024-11-09 11:43:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.7169811320754718) internal successors, (182), 155 states have internal predecessors, (182), 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) [2024-11-09 11:43:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 206 transitions. [2024-11-09 11:43:28,285 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 206 transitions. Word has length 33 [2024-11-09 11:43:28,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:28,285 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 206 transitions. [2024-11-09 11:43:28,285 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2024-11-09 11:43:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:43:28,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:28,286 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:28,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:43:28,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:28,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:28,492 INFO L85 PathProgramCache]: Analyzing trace with hash 138339314, now seen corresponding path program 1 times [2024-11-09 11:43:28,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:28,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374847888] [2024-11-09 11:43:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554328115] [2024-11-09 11:43:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:28,503 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) [2024-11-09 11:43:28,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:43:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:28,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:43:28,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:28,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374847888] [2024-11-09 11:43:28,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554328115] [2024-11-09 11:43:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554328115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:28,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:43:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603035314] [2024-11-09 11:43:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:28,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:43:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:28,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:43:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:28,550 INFO L87 Difference]: Start difference. First operand 170 states and 206 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:28,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:28,661 INFO L93 Difference]: Finished difference Result 284 states and 362 transitions. [2024-11-09 11:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:43:28,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-09 11:43:28,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:28,664 INFO L225 Difference]: With dead ends: 284 [2024-11-09 11:43:28,664 INFO L226 Difference]: Without dead ends: 278 [2024-11-09 11:43:28,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:43:28,665 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 56 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:28,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 218 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-09 11:43:28,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 246. [2024-11-09 11:43:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2024-11-09 11:43:28,675 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 34 [2024-11-09 11:43:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:28,675 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2024-11-09 11:43:28,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2024-11-09 11:43:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:43:28,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:28,676 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:28,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:28,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,881 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:28,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash -216662156, now seen corresponding path program 1 times [2024-11-09 11:43:28,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:28,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287670465] [2024-11-09 11:43:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:28,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057675129] [2024-11-09 11:43:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:28,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:28,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:28,893 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) [2024-11-09 11:43:28,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:43:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:28,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:28,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:28,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:28,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287670465] [2024-11-09 11:43:28,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:28,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057675129] [2024-11-09 11:43:28,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057675129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:28,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:28,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:28,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605376700] [2024-11-09 11:43:28,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:28,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:28,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:28,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:28,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:28,954 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:29,437 INFO L93 Difference]: Finished difference Result 271 states and 338 transitions. [2024-11-09 11:43:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:29,438 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-09 11:43:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:29,439 INFO L225 Difference]: With dead ends: 271 [2024-11-09 11:43:29,439 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 11:43:29,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:29,440 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:29,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 327 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:43:29,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 11:43:29,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 246. [2024-11-09 11:43:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6781609195402298) internal successors, (292), 223 states have internal predecessors, (292), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 332 transitions. [2024-11-09 11:43:29,465 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 332 transitions. Word has length 34 [2024-11-09 11:43:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:29,465 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 332 transitions. [2024-11-09 11:43:29,467 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 332 transitions. [2024-11-09 11:43:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:43:29,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:29,468 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:29,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:29,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:29,672 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:29,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:29,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1873407843, now seen corresponding path program 1 times [2024-11-09 11:43:29,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:29,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281312943] [2024-11-09 11:43:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:29,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448134834] [2024-11-09 11:43:29,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:29,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:29,706 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) [2024-11-09 11:43:29,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:43:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:29,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:29,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:29,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281312943] [2024-11-09 11:43:29,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448134834] [2024-11-09 11:43:29,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448134834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:29,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:29,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361002404] [2024-11-09 11:43:29,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:29,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:29,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:29,878 INFO L87 Difference]: Start difference. First operand 246 states and 332 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:30,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:30,547 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2024-11-09 11:43:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:30,548 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-09 11:43:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:30,549 INFO L225 Difference]: With dead ends: 272 [2024-11-09 11:43:30,549 INFO L226 Difference]: Without dead ends: 271 [2024-11-09 11:43:30,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:30,550 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 57 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:30,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 329 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:43:30,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-09 11:43:30,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 246. [2024-11-09 11:43:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6666666666666667) internal successors, (290), 223 states have internal predecessors, (290), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 330 transitions. [2024-11-09 11:43:30,565 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 330 transitions. Word has length 35 [2024-11-09 11:43:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:30,566 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 330 transitions. [2024-11-09 11:43:30,566 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 330 transitions. [2024-11-09 11:43:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:43:30,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:30,567 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:30,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:30,768 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,SelfDestructingSolverStorable10 [2024-11-09 11:43:30,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:30,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:30,769 INFO L85 PathProgramCache]: Analyzing trace with hash -199900332, now seen corresponding path program 1 times [2024-11-09 11:43:30,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:30,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449503122] [2024-11-09 11:43:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:30,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:30,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449503122] [2024-11-09 11:43:30,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449503122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:30,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:30,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:43:30,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387873933] [2024-11-09 11:43:30,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:30,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:30,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:30,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:30,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:30,842 INFO L87 Difference]: Start difference. First operand 246 states and 330 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:31,041 INFO L93 Difference]: Finished difference Result 275 states and 340 transitions. [2024-11-09 11:43:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:43:31,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-11-09 11:43:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:31,047 INFO L225 Difference]: With dead ends: 275 [2024-11-09 11:43:31,047 INFO L226 Difference]: Without dead ends: 274 [2024-11-09 11:43:31,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:31,048 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 56 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:31,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 358 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-09 11:43:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 251. [2024-11-09 11:43:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 179 states have (on average 1.6592178770949721) internal successors, (297), 228 states have internal predecessors, (297), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 337 transitions. [2024-11-09 11:43:31,071 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 337 transitions. Word has length 36 [2024-11-09 11:43:31,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:31,072 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 337 transitions. [2024-11-09 11:43:31,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2024-11-09 11:43:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:43:31,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:31,072 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:31,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:43:31,072 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:31,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1901942833, now seen corresponding path program 1 times [2024-11-09 11:43:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:31,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105587845] [2024-11-09 11:43:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:31,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798947701] [2024-11-09 11:43:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:31,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:31,085 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) [2024-11-09 11:43:31,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:43:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:43:31,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:31,169 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:31,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:31,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105587845] [2024-11-09 11:43:31,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:31,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798947701] [2024-11-09 11:43:31,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798947701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:31,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:31,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:43:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485531126] [2024-11-09 11:43:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:31,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:31,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:31,171 INFO L87 Difference]: Start difference. First operand 251 states and 337 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:31,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:31,332 INFO L93 Difference]: Finished difference Result 292 states and 348 transitions. [2024-11-09 11:43:31,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:43:31,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-09 11:43:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:31,333 INFO L225 Difference]: With dead ends: 292 [2024-11-09 11:43:31,333 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 11:43:31,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:31,334 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 153 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:31,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 358 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 11:43:31,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 253. [2024-11-09 11:43:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 181 states have (on average 1.6519337016574585) internal successors, (299), 230 states have internal predecessors, (299), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 339 transitions. [2024-11-09 11:43:31,347 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 339 transitions. Word has length 37 [2024-11-09 11:43:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:31,347 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 339 transitions. [2024-11-09 11:43:31,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 339 transitions. [2024-11-09 11:43:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:43:31,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:31,350 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:31,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:31,551 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,SelfDestructingSolverStorable12 [2024-11-09 11:43:31,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:31,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:31,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1570322186, now seen corresponding path program 1 times [2024-11-09 11:43:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:31,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301719902] [2024-11-09 11:43:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:31,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301719902] [2024-11-09 11:43:31,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301719902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160551836] [2024-11-09 11:43:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:31,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:31,642 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) [2024-11-09 11:43:31,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:43:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:43:31,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:31,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:31,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160551836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:31,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:43:31,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2024-11-09 11:43:31,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978656604] [2024-11-09 11:43:31,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:31,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:43:31,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:31,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:43:31,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:43:31,836 INFO L87 Difference]: Start difference. First operand 253 states and 339 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:43:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:32,937 INFO L93 Difference]: Finished difference Result 903 states and 1188 transitions. [2024-11-09 11:43:32,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 11:43:32,938 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-09 11:43:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:32,942 INFO L225 Difference]: With dead ends: 903 [2024-11-09 11:43:32,943 INFO L226 Difference]: Without dead ends: 875 [2024-11-09 11:43:32,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:43:32,945 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 1691 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:32,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 1262 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:43:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-09 11:43:32,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 257. [2024-11-09 11:43:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 185 states have (on average 1.6486486486486487) internal successors, (305), 234 states have internal predecessors, (305), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 345 transitions. [2024-11-09 11:43:32,961 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 345 transitions. Word has length 40 [2024-11-09 11:43:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:32,961 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 345 transitions. [2024-11-09 11:43:32,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:43:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 345 transitions. [2024-11-09 11:43:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:43:32,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:32,962 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:32,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:33,163 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,SelfDestructingSolverStorable13 [2024-11-09 11:43:33,163 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:33,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:33,164 INFO L85 PathProgramCache]: Analyzing trace with hash -283039672, now seen corresponding path program 1 times [2024-11-09 11:43:33,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:33,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54088966] [2024-11-09 11:43:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:33,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662307871] [2024-11-09 11:43:33,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:33,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:33,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:33,181 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) [2024-11-09 11:43:33,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:43:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:33,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:33,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:33,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:33,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:33,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54088966] [2024-11-09 11:43:33,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:33,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662307871] [2024-11-09 11:43:33,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662307871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:33,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:33,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:33,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365274265] [2024-11-09 11:43:33,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:33,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:33,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:33,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:33,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:33,296 INFO L87 Difference]: Start difference. First operand 257 states and 345 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:43:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:33,557 INFO L93 Difference]: Finished difference Result 275 states and 347 transitions. [2024-11-09 11:43:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:33,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2024-11-09 11:43:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:33,559 INFO L225 Difference]: With dead ends: 275 [2024-11-09 11:43:33,559 INFO L226 Difference]: Without dead ends: 274 [2024-11-09 11:43:33,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:33,559 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:33,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 181 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-09 11:43:33,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 257. [2024-11-09 11:43:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 185 states have (on average 1.6378378378378378) internal successors, (303), 234 states have internal predecessors, (303), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:43:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 343 transitions. [2024-11-09 11:43:33,573 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 343 transitions. Word has length 43 [2024-11-09 11:43:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:33,573 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 343 transitions. [2024-11-09 11:43:33,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:43:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 343 transitions. [2024-11-09 11:43:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:43:33,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:33,574 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:33,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:43:33,774 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,SelfDestructingSolverStorable14 [2024-11-09 11:43:33,775 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:33,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:33,775 INFO L85 PathProgramCache]: Analyzing trace with hash -685729861, now seen corresponding path program 1 times [2024-11-09 11:43:33,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:33,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757568440] [2024-11-09 11:43:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:33,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:33,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098265119] [2024-11-09 11:43:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:33,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:33,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:33,785 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) [2024-11-09 11:43:33,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:43:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:33,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:43:33,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:43:33,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:34,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:34,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757568440] [2024-11-09 11:43:34,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:34,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098265119] [2024-11-09 11:43:34,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098265119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:34,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:34,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-09 11:43:34,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348009177] [2024-11-09 11:43:34,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:34,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:43:34,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:34,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:43:34,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:34,140 INFO L87 Difference]: Start difference. First operand 257 states and 343 transitions. Second operand has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:43:34,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:34,912 INFO L93 Difference]: Finished difference Result 452 states and 578 transitions. [2024-11-09 11:43:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:43:34,913 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2024-11-09 11:43:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:34,914 INFO L225 Difference]: With dead ends: 452 [2024-11-09 11:43:34,914 INFO L226 Difference]: Without dead ends: 449 [2024-11-09 11:43:34,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:43:34,915 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 736 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:34,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 642 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:43:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-09 11:43:34,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 273. [2024-11-09 11:43:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 201 states have (on average 1.6119402985074627) internal successors, (324), 249 states have internal predecessors, (324), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:43:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 366 transitions. [2024-11-09 11:43:34,944 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 366 transitions. Word has length 43 [2024-11-09 11:43:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:34,944 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 366 transitions. [2024-11-09 11:43:34,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:43:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 366 transitions. [2024-11-09 11:43:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:43:34,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:34,945 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:34,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:43:35,148 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,SelfDestructingSolverStorable15 [2024-11-09 11:43:35,149 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:35,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash -184295144, now seen corresponding path program 1 times [2024-11-09 11:43:35,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:35,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871909701] [2024-11-09 11:43:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543233411] [2024-11-09 11:43:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:35,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:35,162 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) [2024-11-09 11:43:35,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:43:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:35,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:35,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:35,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:35,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:35,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871909701] [2024-11-09 11:43:35,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:35,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543233411] [2024-11-09 11:43:35,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543233411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:35,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:35,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:35,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183867173] [2024-11-09 11:43:35,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:35,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:35,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:35,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:35,243 INFO L87 Difference]: Start difference. First operand 273 states and 366 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:43:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:35,389 INFO L93 Difference]: Finished difference Result 291 states and 368 transitions. [2024-11-09 11:43:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:35,390 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2024-11-09 11:43:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:35,391 INFO L225 Difference]: With dead ends: 291 [2024-11-09 11:43:35,391 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 11:43:35,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:35,391 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 188 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:35,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 181 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:35,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 11:43:35,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 273. [2024-11-09 11:43:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 201 states have (on average 1.6019900497512438) internal successors, (322), 249 states have internal predecessors, (322), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:43:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 364 transitions. [2024-11-09 11:43:35,406 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 364 transitions. Word has length 44 [2024-11-09 11:43:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:35,406 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 364 transitions. [2024-11-09 11:43:35,406 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 11:43:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 364 transitions. [2024-11-09 11:43:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:43:35,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:35,407 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:35,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:43:35,610 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,SelfDestructingSolverStorable16 [2024-11-09 11:43:35,611 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:35,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:35,611 INFO L85 PathProgramCache]: Analyzing trace with hash 217210868, now seen corresponding path program 1 times [2024-11-09 11:43:35,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:35,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694408320] [2024-11-09 11:43:35,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:35,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:35,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035211198] [2024-11-09 11:43:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:35,626 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) [2024-11-09 11:43:35,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:43:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:35,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:43:35,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:43:35,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:36,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:36,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694408320] [2024-11-09 11:43:36,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:36,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035211198] [2024-11-09 11:43:36,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035211198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:36,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:36,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:43:36,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538167624] [2024-11-09 11:43:36,541 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:36,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:43:36,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:36,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:43:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:36,543 INFO L87 Difference]: Start difference. First operand 273 states and 364 transitions. Second operand has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:36,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:36,800 INFO L93 Difference]: Finished difference Result 430 states and 557 transitions. [2024-11-09 11:43:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:43:36,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-09 11:43:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:36,802 INFO L225 Difference]: With dead ends: 430 [2024-11-09 11:43:36,802 INFO L226 Difference]: Without dead ends: 428 [2024-11-09 11:43:36,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:43:36,803 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 371 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:36,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 478 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-09 11:43:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 363. [2024-11-09 11:43:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 282 states have (on average 1.6524822695035462) internal successors, (466), 330 states have internal predecessors, (466), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 526 transitions. [2024-11-09 11:43:36,823 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 526 transitions. Word has length 44 [2024-11-09 11:43:36,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:36,824 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 526 transitions. [2024-11-09 11:43:36,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 526 transitions. [2024-11-09 11:43:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:43:36,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:36,824 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:36,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:37,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:37,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1418182070, now seen corresponding path program 1 times [2024-11-09 11:43:37,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:37,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837487362] [2024-11-09 11:43:37,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:37,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:37,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554462592] [2024-11-09 11:43:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:37,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:37,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:37,053 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) [2024-11-09 11:43:37,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:43:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:37,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:37,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:37,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:37,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837487362] [2024-11-09 11:43:37,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:37,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554462592] [2024-11-09 11:43:37,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554462592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:37,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:37,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:37,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741794754] [2024-11-09 11:43:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:37,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:37,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:37,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:37,115 INFO L87 Difference]: Start difference. First operand 363 states and 526 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:43:37,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:37,547 INFO L93 Difference]: Finished difference Result 391 states and 538 transitions. [2024-11-09 11:43:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:37,547 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-09 11:43:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:37,549 INFO L225 Difference]: With dead ends: 391 [2024-11-09 11:43:37,549 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 11:43:37,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:37,550 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 57 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:37,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 304 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:43:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 11:43:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 363. [2024-11-09 11:43:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 282 states have (on average 1.6453900709219857) internal successors, (464), 330 states have internal predecessors, (464), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:37,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 524 transitions. [2024-11-09 11:43:37,573 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 524 transitions. Word has length 45 [2024-11-09 11:43:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:37,573 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 524 transitions. [2024-11-09 11:43:37,573 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:43:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 524 transitions. [2024-11-09 11:43:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:43:37,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:37,574 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:43:37,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:37,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:37,778 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:37,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:37,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1856028197, now seen corresponding path program 1 times [2024-11-09 11:43:37,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:37,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345442244] [2024-11-09 11:43:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:37,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345442244] [2024-11-09 11:43:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345442244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931905648] [2024-11-09 11:43:37,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:37,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:37,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:37,904 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) [2024-11-09 11:43:37,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:43:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:37,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:43:37,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:37,966 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931905648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:37,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:37,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 11:43:37,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950549243] [2024-11-09 11:43:37,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:37,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:37,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:37,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:37,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:43:37,967 INFO L87 Difference]: Start difference. First operand 363 states and 524 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:38,217 INFO L93 Difference]: Finished difference Result 550 states and 727 transitions. [2024-11-09 11:43:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:43:38,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-11-09 11:43:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:38,219 INFO L225 Difference]: With dead ends: 550 [2024-11-09 11:43:38,219 INFO L226 Difference]: Without dead ends: 378 [2024-11-09 11:43:38,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:43:38,220 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 159 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:38,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:38,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-09 11:43:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 347. [2024-11-09 11:43:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.651685393258427) internal successors, (441), 314 states have internal predecessors, (441), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 501 transitions. [2024-11-09 11:43:38,254 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 501 transitions. Word has length 45 [2024-11-09 11:43:38,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:38,254 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 501 transitions. [2024-11-09 11:43:38,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:43:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 501 transitions. [2024-11-09 11:43:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:43:38,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:38,255 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:38,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:38,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:38,456 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:38,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1856397603, now seen corresponding path program 1 times [2024-11-09 11:43:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257979447] [2024-11-09 11:43:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:38,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842983057] [2024-11-09 11:43:38,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:38,468 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) [2024-11-09 11:43:38,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:43:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:38,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:43:38,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:38,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:38,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:38,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257979447] [2024-11-09 11:43:38,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:38,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842983057] [2024-11-09 11:43:38,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842983057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:38,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:38,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:43:38,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49186931] [2024-11-09 11:43:38,828 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:38,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:43:38,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:38,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:43:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:43:38,828 INFO L87 Difference]: Start difference. First operand 347 states and 501 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:39,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:39,388 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-09 11:43:39,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:43:39,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-09 11:43:39,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:39,390 INFO L225 Difference]: With dead ends: 472 [2024-11-09 11:43:39,390 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 11:43:39,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:43:39,391 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 419 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:39,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 602 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:43:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 11:43:39,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2024-11-09 11:43:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6676557863501484) internal successors, (562), 384 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:43:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 640 transitions. [2024-11-09 11:43:39,417 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 640 transitions. Word has length 45 [2024-11-09 11:43:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:39,417 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 640 transitions. [2024-11-09 11:43:39,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 640 transitions. [2024-11-09 11:43:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:43:39,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:39,418 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:39,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:43:39,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:39,619 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:39,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:39,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1013971110, now seen corresponding path program 1 times [2024-11-09 11:43:39,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:39,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723851546] [2024-11-09 11:43:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:39,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860129664] [2024-11-09 11:43:39,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:39,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:39,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:39,633 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) [2024-11-09 11:43:39,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:43:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:39,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:43:39,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:43:39,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:39,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723851546] [2024-11-09 11:43:39,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860129664] [2024-11-09 11:43:39,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860129664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:39,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:39,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:43:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789231203] [2024-11-09 11:43:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:39,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:43:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:39,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:43:39,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:39,702 INFO L87 Difference]: Start difference. First operand 426 states and 640 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:43:40,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:40,047 INFO L93 Difference]: Finished difference Result 455 states and 653 transitions. [2024-11-09 11:43:40,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:43:40,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-09 11:43:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:40,049 INFO L225 Difference]: With dead ends: 455 [2024-11-09 11:43:40,049 INFO L226 Difference]: Without dead ends: 454 [2024-11-09 11:43:40,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:43:40,050 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:40,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 240 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:43:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-09 11:43:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 426. [2024-11-09 11:43:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6617210682492582) internal successors, (560), 384 states have internal predecessors, (560), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:43:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 638 transitions. [2024-11-09 11:43:40,075 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 638 transitions. Word has length 46 [2024-11-09 11:43:40,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:40,075 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 638 transitions. [2024-11-09 11:43:40,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:43:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 638 transitions. [2024-11-09 11:43:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:43:40,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:40,076 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:40,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:40,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:40,276 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:40,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1713750762, now seen corresponding path program 1 times [2024-11-09 11:43:40,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:40,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616280030] [2024-11-09 11:43:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:40,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26830630] [2024-11-09 11:43:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:40,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:40,300 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) [2024-11-09 11:43:40,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:43:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:40,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:43:40,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:40,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:41,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:41,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616280030] [2024-11-09 11:43:41,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:41,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26830630] [2024-11-09 11:43:41,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26830630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:41,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:41,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:43:41,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966270416] [2024-11-09 11:43:41,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:41,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:43:41,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:41,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:43:41,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:43:41,609 INFO L87 Difference]: Start difference. First operand 426 states and 638 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:42,164 INFO L93 Difference]: Finished difference Result 472 states and 643 transitions. [2024-11-09 11:43:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:43:42,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-09 11:43:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:42,166 INFO L225 Difference]: With dead ends: 472 [2024-11-09 11:43:42,166 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 11:43:42,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:43:42,167 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 367 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:42,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 620 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:43:42,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 11:43:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 426. [2024-11-09 11:43:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 337 states have (on average 1.6528189910979227) internal successors, (557), 384 states have internal predecessors, (557), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:43:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 635 transitions. [2024-11-09 11:43:42,193 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 635 transitions. Word has length 46 [2024-11-09 11:43:42,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:42,193 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 635 transitions. [2024-11-09 11:43:42,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 635 transitions. [2024-11-09 11:43:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:43:42,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:42,193 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:42,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:42,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:42,394 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:42,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1586665985, now seen corresponding path program 1 times [2024-11-09 11:43:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:42,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837635864] [2024-11-09 11:43:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:42,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709003821] [2024-11-09 11:43:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:42,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:42,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:42,406 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) [2024-11-09 11:43:42,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:43:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:42,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:43:42,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:42,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:47,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:47,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837635864] [2024-11-09 11:43:47,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:47,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709003821] [2024-11-09 11:43:47,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709003821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:47,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:47,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-09 11:43:47,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160337806] [2024-11-09 11:43:47,717 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:47,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:43:47,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:47,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:43:47,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-09 11:43:47,718 INFO L87 Difference]: Start difference. First operand 426 states and 635 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:43:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:51,026 INFO L93 Difference]: Finished difference Result 479 states and 647 transitions. [2024-11-09 11:43:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:43:51,026 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2024-11-09 11:43:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:51,028 INFO L225 Difference]: With dead ends: 479 [2024-11-09 11:43:51,028 INFO L226 Difference]: Without dead ends: 474 [2024-11-09 11:43:51,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2024-11-09 11:43:51,029 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 318 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:51,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 810 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 11:43:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-09 11:43:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 347. [2024-11-09 11:43:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.6029962546816479) internal successors, (428), 314 states have internal predecessors, (428), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 488 transitions. [2024-11-09 11:43:51,050 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 488 transitions. Word has length 47 [2024-11-09 11:43:51,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:51,052 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 488 transitions. [2024-11-09 11:43:51,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:43:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 488 transitions. [2024-11-09 11:43:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:43:51,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:51,053 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:51,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:51,257 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,SelfDestructingSolverStorable23 [2024-11-09 11:43:51,258 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:51,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:51,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1942005192, now seen corresponding path program 1 times [2024-11-09 11:43:51,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:51,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404976842] [2024-11-09 11:43:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:51,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:51,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981251118] [2024-11-09 11:43:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:51,295 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) [2024-11-09 11:43:51,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:43:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:51,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:43:51,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:51,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:43:51,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404976842] [2024-11-09 11:43:51,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981251118] [2024-11-09 11:43:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981251118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:51,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:51,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-09 11:43:51,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159924494] [2024-11-09 11:43:51,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:51,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:43:51,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:51,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:43:51,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:43:51,917 INFO L87 Difference]: Start difference. First operand 347 states and 488 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:43:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:53,442 INFO L93 Difference]: Finished difference Result 398 states and 502 transitions. [2024-11-09 11:43:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:43:53,443 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 48 [2024-11-09 11:43:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:53,446 INFO L225 Difference]: With dead ends: 398 [2024-11-09 11:43:53,446 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 11:43:53,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:43:53,447 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 574 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:53,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 937 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:43:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 11:43:53,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 348. [2024-11-09 11:43:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.585820895522388) internal successors, (425), 315 states have internal predecessors, (425), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2024-11-09 11:43:53,508 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 48 [2024-11-09 11:43:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:53,508 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2024-11-09 11:43:53,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:43:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2024-11-09 11:43:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:43:53,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:53,516 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:53,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:43:53,716 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,SelfDestructingSolverStorable24 [2024-11-09 11:43:53,717 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:53,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash 13291048, now seen corresponding path program 1 times [2024-11-09 11:43:53,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:53,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202034620] [2024-11-09 11:43:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:53,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:43:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:43:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:43:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:43:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:43:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:43:53,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:53,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202034620] [2024-11-09 11:43:53,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202034620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:53,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252596129] [2024-11-09 11:43:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:53,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:53,893 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) [2024-11-09 11:43:53,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:43:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:53,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:43:53,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:43:54,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:54,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252596129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:54,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:54,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-09 11:43:54,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18315375] [2024-11-09 11:43:54,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:54,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:54,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:54,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:54,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:54,020 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-09 11:43:54,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:54,478 INFO L93 Difference]: Finished difference Result 375 states and 489 transitions. [2024-11-09 11:43:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:43:54,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 54 [2024-11-09 11:43:54,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:54,480 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:43:54,480 INFO L226 Difference]: Without dead ends: 374 [2024-11-09 11:43:54,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:43:54,480 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 260 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:54,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 276 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:43:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-09 11:43:54,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 348. [2024-11-09 11:43:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.5820895522388059) internal successors, (424), 315 states have internal predecessors, (424), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:43:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 484 transitions. [2024-11-09 11:43:54,500 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 484 transitions. Word has length 54 [2024-11-09 11:43:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:54,500 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 484 transitions. [2024-11-09 11:43:54,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-09 11:43:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 484 transitions. [2024-11-09 11:43:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:43:54,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:54,500 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:43:54,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:54,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:43:54,702 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:43:54,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash 890948955, now seen corresponding path program 1 times [2024-11-09 11:43:54,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:54,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730714059] [2024-11-09 11:43:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:54,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216305081] [2024-11-09 11:43:54,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:54,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:54,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:54,711 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) [2024-11-09 11:43:54,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:43:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:54,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:43:54,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:43:54,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:03,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:03,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730714059] [2024-11-09 11:44:03,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:03,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216305081] [2024-11-09 11:44:03,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216305081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:03,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:03,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:44:03,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516564240] [2024-11-09 11:44:03,269 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:03,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:44:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:03,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:44:03,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=212, Unknown=2, NotChecked=0, Total=272 [2024-11-09 11:44:03,270 INFO L87 Difference]: Start difference. First operand 348 states and 484 transitions. Second operand has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:03,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:03,836 INFO L93 Difference]: Finished difference Result 470 states and 627 transitions. [2024-11-09 11:44:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:44:03,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2024-11-09 11:44:03,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:03,838 INFO L225 Difference]: With dead ends: 470 [2024-11-09 11:44:03,838 INFO L226 Difference]: Without dead ends: 469 [2024-11-09 11:44:03,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=109, Invalid=351, Unknown=2, NotChecked=0, Total=462 [2024-11-09 11:44:03,839 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 425 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:03,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 646 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:44:03,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-09 11:44:03,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 428. [2024-11-09 11:44:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5722713864306785) internal successors, (533), 386 states have internal predecessors, (533), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:44:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 611 transitions. [2024-11-09 11:44:03,865 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 611 transitions. Word has length 54 [2024-11-09 11:44:03,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:03,865 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 611 transitions. [2024-11-09 11:44:03,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 611 transitions. [2024-11-09 11:44:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:44:03,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:03,866 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:03,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 11:44:04,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:04,069 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:04,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:04,070 INFO L85 PathProgramCache]: Analyzing trace with hash 412022597, now seen corresponding path program 1 times [2024-11-09 11:44:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:04,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336471983] [2024-11-09 11:44:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:04,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823945714] [2024-11-09 11:44:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:04,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:04,084 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) [2024-11-09 11:44:04,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:44:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:04,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:44:04,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:44:04,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:44:04,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336471983] [2024-11-09 11:44:04,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823945714] [2024-11-09 11:44:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823945714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:04,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:04,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:44:04,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112118671] [2024-11-09 11:44:04,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:04,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:44:04,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:04,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:44:04,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:44:04,224 INFO L87 Difference]: Start difference. First operand 428 states and 611 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-09 11:44:04,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:04,531 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-09 11:44:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:44:04,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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 55 [2024-11-09 11:44:04,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:04,533 INFO L225 Difference]: With dead ends: 455 [2024-11-09 11:44:04,533 INFO L226 Difference]: Without dead ends: 454 [2024-11-09 11:44:04,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:44:04,534 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 257 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:04,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 278 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:44:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-09 11:44:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 428. [2024-11-09 11:44:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5693215339233038) internal successors, (532), 386 states have internal predecessors, (532), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:44:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2024-11-09 11:44:04,586 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 55 [2024-11-09 11:44:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:04,586 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2024-11-09 11:44:04,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-09 11:44:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2024-11-09 11:44:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:44:04,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:04,586 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:04,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:04,790 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,SelfDestructingSolverStorable27 [2024-11-09 11:44:04,791 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:04,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1849613921, now seen corresponding path program 1 times [2024-11-09 11:44:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:04,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037722833] [2024-11-09 11:44:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:04,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021128028] [2024-11-09 11:44:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:04,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:04,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:04,802 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) [2024-11-09 11:44:04,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:44:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:04,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:44:04,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:44:05,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:14,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037722833] [2024-11-09 11:44:14,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021128028] [2024-11-09 11:44:14,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021128028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:14,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:14,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:44:14,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202321686] [2024-11-09 11:44:14,010 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:14,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:44:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:44:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=219, Unknown=2, NotChecked=0, Total=272 [2024-11-09 11:44:14,010 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. Second operand has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:14,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:14,562 INFO L93 Difference]: Finished difference Result 470 states and 623 transitions. [2024-11-09 11:44:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:44:14,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 55 [2024-11-09 11:44:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:14,564 INFO L225 Difference]: With dead ends: 470 [2024-11-09 11:44:14,564 INFO L226 Difference]: Without dead ends: 469 [2024-11-09 11:44:14,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=107, Invalid=353, Unknown=2, NotChecked=0, Total=462 [2024-11-09 11:44:14,566 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 622 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:14,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 587 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:44:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-09 11:44:14,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 428. [2024-11-09 11:44:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5604719764011798) internal successors, (529), 386 states have internal predecessors, (529), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:44:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 607 transitions. [2024-11-09 11:44:14,626 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 607 transitions. Word has length 55 [2024-11-09 11:44:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:14,626 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 607 transitions. [2024-11-09 11:44:14,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 607 transitions. [2024-11-09 11:44:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:44:14,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:14,626 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:14,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:44:14,827 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,SelfDestructingSolverStorable28 [2024-11-09 11:44:14,828 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:14,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:14,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1503456797, now seen corresponding path program 1 times [2024-11-09 11:44:14,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922096546] [2024-11-09 11:44:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439811911] [2024-11-09 11:44:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:14,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:14,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:14,840 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) [2024-11-09 11:44:14,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:44:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:14,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:44:14,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:44:15,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:18,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922096546] [2024-11-09 11:44:18,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439811911] [2024-11-09 11:44:18,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439811911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:18,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:18,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:44:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000406100] [2024-11-09 11:44:18,493 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:18,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:44:18,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:18,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:44:18,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=214, Unknown=1, NotChecked=0, Total=272 [2024-11-09 11:44:18,494 INFO L87 Difference]: Start difference. First operand 428 states and 607 transitions. Second operand has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:19,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:19,361 INFO L93 Difference]: Finished difference Result 476 states and 628 transitions. [2024-11-09 11:44:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:44:19,362 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2024-11-09 11:44:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:19,363 INFO L225 Difference]: With dead ends: 476 [2024-11-09 11:44:19,363 INFO L226 Difference]: Without dead ends: 475 [2024-11-09 11:44:19,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=112, Invalid=393, Unknown=1, NotChecked=0, Total=506 [2024-11-09 11:44:19,364 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 559 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:19,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 498 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:44:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-09 11:44:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 428. [2024-11-09 11:44:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.5575221238938053) internal successors, (528), 386 states have internal predecessors, (528), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:44:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 606 transitions. [2024-11-09 11:44:19,400 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 606 transitions. Word has length 56 [2024-11-09 11:44:19,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:19,401 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 606 transitions. [2024-11-09 11:44:19,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 606 transitions. [2024-11-09 11:44:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:44:19,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:19,401 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:19,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:19,602 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 [2024-11-09 11:44:19,602 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:19,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -637479453, now seen corresponding path program 1 times [2024-11-09 11:44:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:19,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788463694] [2024-11-09 11:44:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:19,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110496187] [2024-11-09 11:44:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:19,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:19,615 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) [2024-11-09 11:44:19,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:44:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:19,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:44:19,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:44:19,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:24,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:24,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788463694] [2024-11-09 11:44:24,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:24,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110496187] [2024-11-09 11:44:24,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110496187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:24,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:24,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:44:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450443389] [2024-11-09 11:44:24,523 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:24,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:44:24,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:44:24,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=214, Unknown=1, NotChecked=0, Total=272 [2024-11-09 11:44:24,523 INFO L87 Difference]: Start difference. First operand 428 states and 606 transitions. Second operand has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:25,259 INFO L93 Difference]: Finished difference Result 476 states and 627 transitions. [2024-11-09 11:44:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:44:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 57 [2024-11-09 11:44:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:25,262 INFO L225 Difference]: With dead ends: 476 [2024-11-09 11:44:25,262 INFO L226 Difference]: Without dead ends: 475 [2024-11-09 11:44:25,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=112, Invalid=393, Unknown=1, NotChecked=0, Total=506 [2024-11-09 11:44:25,263 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 421 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:25,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 554 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:44:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-09 11:44:25,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 416. [2024-11-09 11:44:25,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 328 states have (on average 1.5731707317073171) internal successors, (516), 375 states have internal predecessors, (516), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:44:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 592 transitions. [2024-11-09 11:44:25,314 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 592 transitions. Word has length 57 [2024-11-09 11:44:25,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:25,314 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 592 transitions. [2024-11-09 11:44:25,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 11:44:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 592 transitions. [2024-11-09 11:44:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:44:25,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:25,315 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:25,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:44:25,516 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 [2024-11-09 11:44:25,519 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:25,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1712973535, now seen corresponding path program 1 times [2024-11-09 11:44:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:25,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113469680] [2024-11-09 11:44:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:25,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266003315] [2024-11-09 11:44:25,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:25,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:25,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:25,539 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) [2024-11-09 11:44:25,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:44:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:25,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:44:25,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:44:25,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:44:33,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:33,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113469680] [2024-11-09 11:44:33,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:33,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266003315] [2024-11-09 11:44:33,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266003315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:33,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:33,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-09 11:44:33,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786526076] [2024-11-09 11:44:33,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:33,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:44:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:33,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:44:33,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-09 11:44:33,926 INFO L87 Difference]: Start difference. First operand 416 states and 592 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:44:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:35,855 INFO L93 Difference]: Finished difference Result 622 states and 818 transitions. [2024-11-09 11:44:35,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:44:35,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-11-09 11:44:35,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:35,862 INFO L225 Difference]: With dead ends: 622 [2024-11-09 11:44:35,862 INFO L226 Difference]: Without dead ends: 617 [2024-11-09 11:44:35,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2024-11-09 11:44:35,867 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 343 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:35,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 703 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 11:44:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-09 11:44:35,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 508. [2024-11-09 11:44:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 411 states have (on average 1.6058394160583942) internal successors, (660), 458 states have internal predecessors, (660), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:44:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 754 transitions. [2024-11-09 11:44:35,935 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 754 transitions. Word has length 58 [2024-11-09 11:44:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:35,935 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 754 transitions. [2024-11-09 11:44:35,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:44:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 754 transitions. [2024-11-09 11:44:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:44:35,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:35,935 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:35,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:36,143 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 [2024-11-09 11:44:36,144 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:36,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:36,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1562572133, now seen corresponding path program 1 times [2024-11-09 11:44:36,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:36,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970087984] [2024-11-09 11:44:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:36,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:36,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678127855] [2024-11-09 11:44:36,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:36,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:36,168 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) [2024-11-09 11:44:36,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:44:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:36,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:44:36,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:44:36,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:44:44,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:44,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970087984] [2024-11-09 11:44:44,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:44,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678127855] [2024-11-09 11:44:44,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678127855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:44,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:44,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-09 11:44:44,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531452172] [2024-11-09 11:44:44,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:44,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:44:44,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:44:44,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-09 11:44:44,610 INFO L87 Difference]: Start difference. First operand 508 states and 754 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:44:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:47,093 INFO L93 Difference]: Finished difference Result 619 states and 811 transitions. [2024-11-09 11:44:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:44:47,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-09 11:44:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:47,095 INFO L225 Difference]: With dead ends: 619 [2024-11-09 11:44:47,095 INFO L226 Difference]: Without dead ends: 618 [2024-11-09 11:44:47,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2024-11-09 11:44:47,096 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 252 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:47,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 783 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 11:44:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-09 11:44:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 508. [2024-11-09 11:44:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 411 states have (on average 1.6009732360097324) internal successors, (658), 458 states have internal predecessors, (658), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:44:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 752 transitions. [2024-11-09 11:44:47,131 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 752 transitions. Word has length 59 [2024-11-09 11:44:47,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:47,131 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 752 transitions. [2024-11-09 11:44:47,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:44:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 752 transitions. [2024-11-09 11:44:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:44:47,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:47,132 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:47,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-09 11:44:47,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:47,336 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:47,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:47,337 INFO L85 PathProgramCache]: Analyzing trace with hash -217772106, now seen corresponding path program 1 times [2024-11-09 11:44:47,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:47,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221833004] [2024-11-09 11:44:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:47,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10575298] [2024-11-09 11:44:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:47,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:47,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:47,356 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) [2024-11-09 11:44:47,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:44:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:47,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:44:47,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:47,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:44:47,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:47,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221833004] [2024-11-09 11:44:47,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:47,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10575298] [2024-11-09 11:44:47,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10575298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:47,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:47,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:44:47,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276281842] [2024-11-09 11:44:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:47,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:44:47,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:47,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:44:47,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:44:47,538 INFO L87 Difference]: Start difference. First operand 508 states and 752 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:44:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:48,040 INFO L93 Difference]: Finished difference Result 585 states and 842 transitions. [2024-11-09 11:44:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:44:48,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-09 11:44:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:48,042 INFO L225 Difference]: With dead ends: 585 [2024-11-09 11:44:48,042 INFO L226 Difference]: Without dead ends: 582 [2024-11-09 11:44:48,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:44:48,044 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 216 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:48,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 208 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:44:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-09 11:44:48,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2024-11-09 11:44:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 459 states have (on average 1.5642701525054465) internal successors, (718), 506 states have internal predecessors, (718), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 828 transitions. [2024-11-09 11:44:48,090 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 828 transitions. Word has length 61 [2024-11-09 11:44:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:48,090 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 828 transitions. [2024-11-09 11:44:48,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:44:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 828 transitions. [2024-11-09 11:44:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:44:48,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:48,090 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:48,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-09 11:44:48,291 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,SelfDestructingSolverStorable33 [2024-11-09 11:44:48,291 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:48,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1838999420, now seen corresponding path program 1 times [2024-11-09 11:44:48,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:48,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331700348] [2024-11-09 11:44:48,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:48,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432486456] [2024-11-09 11:44:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:48,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:48,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:48,316 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) [2024-11-09 11:44:48,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:44:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:48,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:44:48,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:48,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:44:48,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:48,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331700348] [2024-11-09 11:44:48,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:48,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432486456] [2024-11-09 11:44:48,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432486456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:48,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:48,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:44:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371188916] [2024-11-09 11:44:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:48,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:44:48,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:44:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:44:48,473 INFO L87 Difference]: Start difference. First operand 564 states and 828 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:44:48,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:48,867 INFO L93 Difference]: Finished difference Result 583 states and 836 transitions. [2024-11-09 11:44:48,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:44:48,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-09 11:44:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:48,869 INFO L225 Difference]: With dead ends: 583 [2024-11-09 11:44:48,869 INFO L226 Difference]: Without dead ends: 582 [2024-11-09 11:44:48,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:44:48,870 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 200 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:48,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 280 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:44:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-09 11:44:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2024-11-09 11:44:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 459 states have (on average 1.5599128540305012) internal successors, (716), 506 states have internal predecessors, (716), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 826 transitions. [2024-11-09 11:44:48,919 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 826 transitions. Word has length 62 [2024-11-09 11:44:48,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:48,919 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 826 transitions. [2024-11-09 11:44:48,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:44:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 826 transitions. [2024-11-09 11:44:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:44:48,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:48,920 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:48,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-09 11:44:49,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:49,124 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:49,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:49,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1027642322, now seen corresponding path program 1 times [2024-11-09 11:44:49,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:49,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799635180] [2024-11-09 11:44:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:44:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:44:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:44:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:44:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:49,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:49,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799635180] [2024-11-09 11:44:49,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799635180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:49,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:49,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:44:49,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383675134] [2024-11-09 11:44:49,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:49,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:44:49,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:49,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:44:49,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:44:49,196 INFO L87 Difference]: Start difference. First operand 564 states and 826 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-09 11:44:49,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:49,661 INFO L93 Difference]: Finished difference Result 586 states and 838 transitions. [2024-11-09 11:44:49,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:44:49,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 68 [2024-11-09 11:44:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:49,663 INFO L225 Difference]: With dead ends: 586 [2024-11-09 11:44:49,663 INFO L226 Difference]: Without dead ends: 584 [2024-11-09 11:44:49,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:44:49,664 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 227 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:49,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 280 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:44:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-09 11:44:49,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 566. [2024-11-09 11:44:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5531453362255965) internal successors, (716), 508 states have internal predecessors, (716), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 826 transitions. [2024-11-09 11:44:49,712 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 826 transitions. Word has length 68 [2024-11-09 11:44:49,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:49,713 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 826 transitions. [2024-11-09 11:44:49,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-09 11:44:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 826 transitions. [2024-11-09 11:44:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 11:44:49,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:49,713 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:49,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 11:44:49,714 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:49,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash -427785933, now seen corresponding path program 1 times [2024-11-09 11:44:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:49,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764421652] [2024-11-09 11:44:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:49,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:44:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 11:44:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:44:49,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:49,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764421652] [2024-11-09 11:44:49,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764421652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:49,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019630717] [2024-11-09 11:44:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:49,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:49,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:49,962 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) [2024-11-09 11:44:49,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:44:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:50,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:44:50,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:44:50,111 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:44:50,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019630717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:50,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:50,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-09 11:44:50,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313202340] [2024-11-09 11:44:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:50,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:44:50,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:50,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:44:50,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:44:50,112 INFO L87 Difference]: Start difference. First operand 566 states and 826 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 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) [2024-11-09 11:44:50,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:50,845 INFO L93 Difference]: Finished difference Result 619 states and 834 transitions. [2024-11-09 11:44:50,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:44:50,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 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 67 [2024-11-09 11:44:50,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:50,847 INFO L225 Difference]: With dead ends: 619 [2024-11-09 11:44:50,847 INFO L226 Difference]: Without dead ends: 618 [2024-11-09 11:44:50,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:44:50,848 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 433 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:50,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 585 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:44:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-09 11:44:50,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 566. [2024-11-09 11:44:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5509761388286334) internal successors, (715), 508 states have internal predecessors, (715), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 825 transitions. [2024-11-09 11:44:50,885 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 825 transitions. Word has length 67 [2024-11-09 11:44:50,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:50,886 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 825 transitions. [2024-11-09 11:44:50,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 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) [2024-11-09 11:44:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 825 transitions. [2024-11-09 11:44:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:44:50,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:50,886 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:50,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:51,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:51,091 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:51,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1792140791, now seen corresponding path program 1 times [2024-11-09 11:44:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261493635] [2024-11-09 11:44:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:44:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:44:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:44:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:44:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:51,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:51,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261493635] [2024-11-09 11:44:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261493635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:51,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:51,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:44:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078677915] [2024-11-09 11:44:51,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:51,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:44:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:51,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:44:51,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:44:51,160 INFO L87 Difference]: Start difference. First operand 566 states and 825 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:51,567 INFO L93 Difference]: Finished difference Result 595 states and 833 transitions. [2024-11-09 11:44:51,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:44:51,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2024-11-09 11:44:51,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:51,570 INFO L225 Difference]: With dead ends: 595 [2024-11-09 11:44:51,570 INFO L226 Difference]: Without dead ends: 593 [2024-11-09 11:44:51,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:44:51,571 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 313 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:51,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 415 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:44:51,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-09 11:44:51,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 566. [2024-11-09 11:44:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5466377440347072) internal successors, (713), 508 states have internal predecessors, (713), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 823 transitions. [2024-11-09 11:44:51,619 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 823 transitions. Word has length 69 [2024-11-09 11:44:51,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:51,619 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 823 transitions. [2024-11-09 11:44:51,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 823 transitions. [2024-11-09 11:44:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:44:51,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:51,620 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:44:51,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 11:44:51,620 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:51,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:51,621 INFO L85 PathProgramCache]: Analyzing trace with hash -376461926, now seen corresponding path program 1 times [2024-11-09 11:44:51,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:51,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154637796] [2024-11-09 11:44:51,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:51,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553043511] [2024-11-09 11:44:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:51,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:51,632 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) [2024-11-09 11:44:51,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:44:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:51,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:44:51,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:44:51,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:51,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:51,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154637796] [2024-11-09 11:44:51,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553043511] [2024-11-09 11:44:51,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553043511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:51,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:44:51,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:44:51,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438943718] [2024-11-09 11:44:51,788 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:51,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:44:51,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:51,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:44:51,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:44:51,789 INFO L87 Difference]: Start difference. First operand 566 states and 823 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:44:52,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:52,202 INFO L93 Difference]: Finished difference Result 609 states and 839 transitions. [2024-11-09 11:44:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:44:52,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-09 11:44:52,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:52,204 INFO L225 Difference]: With dead ends: 609 [2024-11-09 11:44:52,204 INFO L226 Difference]: Without dead ends: 608 [2024-11-09 11:44:52,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:44:52,205 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 360 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:52,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 331 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:44:52,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-09 11:44:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 566. [2024-11-09 11:44:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 461 states have (on average 1.5379609544468547) internal successors, (709), 508 states have internal predecessors, (709), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:44:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2024-11-09 11:44:52,242 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 68 [2024-11-09 11:44:52,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:52,242 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2024-11-09 11:44:52,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:44:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2024-11-09 11:44:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:44:52,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:52,242 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:52,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:52,446 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 [2024-11-09 11:44:52,447 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:52,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:52,447 INFO L85 PathProgramCache]: Analyzing trace with hash 34589464, now seen corresponding path program 1 times [2024-11-09 11:44:52,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:52,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143381457] [2024-11-09 11:44:52,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:44:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:44:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:44:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:44:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:52,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:52,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143381457] [2024-11-09 11:44:52,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143381457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:52,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:52,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:44:52,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66467603] [2024-11-09 11:44:52,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:52,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:44:52,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:52,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:44:52,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:44:52,509 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:52,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:52,599 INFO L93 Difference]: Finished difference Result 801 states and 1199 transitions. [2024-11-09 11:44:52,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:44:52,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-09 11:44:52,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:52,602 INFO L225 Difference]: With dead ends: 801 [2024-11-09 11:44:52,602 INFO L226 Difference]: Without dead ends: 800 [2024-11-09 11:44:52,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:44:52,605 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 22 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:52,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 223 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:44:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-09 11:44:52,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 745. [2024-11-09 11:44:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 611 states have (on average 1.553191489361702) internal successors, (949), 658 states have internal predecessors, (949), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-09 11:44:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1117 transitions. [2024-11-09 11:44:52,659 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1117 transitions. Word has length 71 [2024-11-09 11:44:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:52,659 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1117 transitions. [2024-11-09 11:44:52,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1117 transitions. [2024-11-09 11:44:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:44:52,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:52,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:52,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 11:44:52,661 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:52,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1072273523, now seen corresponding path program 1 times [2024-11-09 11:44:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:52,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684225118] [2024-11-09 11:44:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:44:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:44:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:44:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:44:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:52,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:52,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684225118] [2024-11-09 11:44:52,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684225118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:52,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:52,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:44:52,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244925850] [2024-11-09 11:44:52,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:52,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:44:52,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:52,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:44:52,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:44:52,723 INFO L87 Difference]: Start difference. First operand 745 states and 1117 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:53,094 INFO L93 Difference]: Finished difference Result 761 states and 1117 transitions. [2024-11-09 11:44:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:44:53,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-09 11:44:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:53,097 INFO L225 Difference]: With dead ends: 761 [2024-11-09 11:44:53,097 INFO L226 Difference]: Without dead ends: 760 [2024-11-09 11:44:53,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:44:53,098 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 206 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:53,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 354 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:44:53,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-09 11:44:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 745. [2024-11-09 11:44:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 611 states have (on average 1.5515548281505729) internal successors, (948), 658 states have internal predecessors, (948), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-09 11:44:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1116 transitions. [2024-11-09 11:44:53,150 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1116 transitions. Word has length 72 [2024-11-09 11:44:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:53,150 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1116 transitions. [2024-11-09 11:44:53,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1116 transitions. [2024-11-09 11:44:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:44:53,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:53,151 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:53,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 11:44:53,151 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:53,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:53,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1119259014, now seen corresponding path program 1 times [2024-11-09 11:44:53,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601610440] [2024-11-09 11:44:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:44:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:44:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:44:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:44:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:53,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:53,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601610440] [2024-11-09 11:44:53,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601610440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:53,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:53,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:44:53,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195041564] [2024-11-09 11:44:53,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:53,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:44:53,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:53,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:44:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:44:53,201 INFO L87 Difference]: Start difference. First operand 745 states and 1116 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:53,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:53,494 INFO L93 Difference]: Finished difference Result 830 states and 1205 transitions. [2024-11-09 11:44:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:44:53,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2024-11-09 11:44:53,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:53,497 INFO L225 Difference]: With dead ends: 830 [2024-11-09 11:44:53,498 INFO L226 Difference]: Without dead ends: 826 [2024-11-09 11:44:53,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:44:53,499 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 79 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:53,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 326 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:44:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-09 11:44:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 773. [2024-11-09 11:44:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 639 states have (on average 1.5336463223787167) internal successors, (980), 686 states have internal predecessors, (980), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-09 11:44:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1148 transitions. [2024-11-09 11:44:53,553 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1148 transitions. Word has length 73 [2024-11-09 11:44:53,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:53,553 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1148 transitions. [2024-11-09 11:44:53,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:44:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1148 transitions. [2024-11-09 11:44:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 11:44:53,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:53,554 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:44:53,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 11:44:53,554 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:53,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash 280816203, now seen corresponding path program 1 times [2024-11-09 11:44:53,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879819811] [2024-11-09 11:44:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:53,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:53,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431765814] [2024-11-09 11:44:53,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:53,573 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) [2024-11-09 11:44:53,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:44:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:53,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:44:53,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:53,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:53,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879819811] [2024-11-09 11:44:53,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431765814] [2024-11-09 11:44:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431765814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:53,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:44:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337405686] [2024-11-09 11:44:53,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:53,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:44:53,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:53,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:44:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:44:53,791 INFO L87 Difference]: Start difference. First operand 773 states and 1148 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2024-11-09 11:44:55,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:55,218 INFO L93 Difference]: Finished difference Result 921 states and 1249 transitions. [2024-11-09 11:44:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:44:55,219 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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 74 [2024-11-09 11:44:55,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:55,221 INFO L225 Difference]: With dead ends: 921 [2024-11-09 11:44:55,221 INFO L226 Difference]: Without dead ends: 918 [2024-11-09 11:44:55,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:44:55,223 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 893 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:55,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 676 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:44:55,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2024-11-09 11:44:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 821. [2024-11-09 11:44:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 681 states have (on average 1.5095447870778267) internal successors, (1028), 728 states have internal predecessors, (1028), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-09 11:44:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1208 transitions. [2024-11-09 11:44:55,351 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1208 transitions. Word has length 74 [2024-11-09 11:44:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:55,352 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1208 transitions. [2024-11-09 11:44:55,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2024-11-09 11:44:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1208 transitions. [2024-11-09 11:44:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:44:55,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:55,355 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:44:55,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-09 11:44:55,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:55,556 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:55,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:55,557 INFO L85 PathProgramCache]: Analyzing trace with hash 115367815, now seen corresponding path program 1 times [2024-11-09 11:44:55,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:55,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110004763] [2024-11-09 11:44:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:55,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227994972] [2024-11-09 11:44:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:55,577 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) [2024-11-09 11:44:55,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:44:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:55,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:44:55,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:55,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:44:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110004763] [2024-11-09 11:44:56,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227994972] [2024-11-09 11:44:56,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227994972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:56,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:56,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:44:56,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070369047] [2024-11-09 11:44:56,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:56,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:44:56,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:56,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:44:56,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:44:56,101 INFO L87 Difference]: Start difference. First operand 821 states and 1208 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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) [2024-11-09 11:44:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:57,558 INFO L93 Difference]: Finished difference Result 1147 states and 1580 transitions. [2024-11-09 11:44:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 11:44:57,559 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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 75 [2024-11-09 11:44:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:57,562 INFO L225 Difference]: With dead ends: 1147 [2024-11-09 11:44:57,563 INFO L226 Difference]: Without dead ends: 1144 [2024-11-09 11:44:57,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=385, Invalid=1021, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 11:44:57,563 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1363 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:57,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 526 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:44:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2024-11-09 11:44:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1019. [2024-11-09 11:44:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 855 states have (on average 1.4970760233918128) internal successors, (1280), 902 states have internal predecessors, (1280), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-09 11:44:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1508 transitions. [2024-11-09 11:44:57,641 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1508 transitions. Word has length 75 [2024-11-09 11:44:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:57,642 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1508 transitions. [2024-11-09 11:44:57,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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) [2024-11-09 11:44:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1508 transitions. [2024-11-09 11:44:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 11:44:57,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:57,642 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:57,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:57,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:44:57,843 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:57,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:57,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1332572153, now seen corresponding path program 1 times [2024-11-09 11:44:57,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:57,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107184894] [2024-11-09 11:44:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:44:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 11:44:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:44:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 11:44:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:57,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:57,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107184894] [2024-11-09 11:44:57,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107184894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:57,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620850265] [2024-11-09 11:44:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:57,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:57,931 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) [2024-11-09 11:44:57,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:44:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:57,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:44:57,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:58,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:58,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620850265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:58,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:44:58,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 11:44:58,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943919497] [2024-11-09 11:44:58,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:58,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:44:58,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:58,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:44:58,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:44:58,127 INFO L87 Difference]: Start difference. First operand 1019 states and 1508 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:44:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:59,589 INFO L93 Difference]: Finished difference Result 1119 states and 1545 transitions. [2024-11-09 11:44:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:44:59,590 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 81 [2024-11-09 11:44:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:59,593 INFO L225 Difference]: With dead ends: 1119 [2024-11-09 11:44:59,593 INFO L226 Difference]: Without dead ends: 1117 [2024-11-09 11:44:59,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:44:59,594 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 942 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:59,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 634 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:44:59,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-09 11:44:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1022. [2024-11-09 11:44:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 857 states have (on average 1.4725787631271878) internal successors, (1262), 903 states have internal predecessors, (1262), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:44:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1494 transitions. [2024-11-09 11:44:59,703 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1494 transitions. Word has length 81 [2024-11-09 11:44:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:59,703 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1494 transitions. [2024-11-09 11:44:59,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:44:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1494 transitions. [2024-11-09 11:44:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 11:44:59,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:59,705 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:44:59,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:59,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:59,906 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:44:59,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1639936098, now seen corresponding path program 1 times [2024-11-09 11:44:59,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:59,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051600375] [2024-11-09 11:44:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:44:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:44:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:44:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:44:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 11:44:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:44:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 11:44:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:44:59,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:59,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051600375] [2024-11-09 11:44:59,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051600375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:44:59,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:44:59,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:44:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034677684] [2024-11-09 11:44:59,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:44:59,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:44:59,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:44:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:44:59,997 INFO L87 Difference]: Start difference. First operand 1022 states and 1494 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-09 11:45:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:45:00,436 INFO L93 Difference]: Finished difference Result 1051 states and 1502 transitions. [2024-11-09 11:45:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:45:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 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 82 [2024-11-09 11:45:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:45:00,439 INFO L225 Difference]: With dead ends: 1051 [2024-11-09 11:45:00,439 INFO L226 Difference]: Without dead ends: 1049 [2024-11-09 11:45:00,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:45:00,440 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 299 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:45:00,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 385 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:45:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-09 11:45:00,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1022. [2024-11-09 11:45:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 857 states have (on average 1.453908984830805) internal successors, (1246), 903 states have internal predecessors, (1246), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:45:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1478 transitions. [2024-11-09 11:45:00,528 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1478 transitions. Word has length 82 [2024-11-09 11:45:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:45:00,528 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1478 transitions. [2024-11-09 11:45:00,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-09 11:45:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1478 transitions. [2024-11-09 11:45:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 11:45:00,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:45:00,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:45:00,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 11:45:00,529 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:45:00,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:45:00,529 INFO L85 PathProgramCache]: Analyzing trace with hash 968801502, now seen corresponding path program 1 times [2024-11-09 11:45:00,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:45:00,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296955909] [2024-11-09 11:45:00,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:00,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:45:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:45:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044466244] [2024-11-09 11:45:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:45:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:45:00,540 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) [2024-11-09 11:45:00,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:45:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:00,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:45:00,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:45:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:00,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:45:00,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:45:00,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296955909] [2024-11-09 11:45:00,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:45:00,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044466244] [2024-11-09 11:45:00,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044466244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:45:00,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:45:00,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:45:00,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084595429] [2024-11-09 11:45:00,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:45:00,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:45:00,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:45:00,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:45:00,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:45:00,772 INFO L87 Difference]: Start difference. First operand 1022 states and 1478 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:45:01,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:45:01,065 INFO L93 Difference]: Finished difference Result 1047 states and 1485 transitions. [2024-11-09 11:45:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:45:01,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2024-11-09 11:45:01,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:45:01,068 INFO L225 Difference]: With dead ends: 1047 [2024-11-09 11:45:01,069 INFO L226 Difference]: Without dead ends: 1044 [2024-11-09 11:45:01,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:45:01,069 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 94 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:45:01,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 330 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:45:01,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-09 11:45:01,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1022. [2024-11-09 11:45:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 857 states have (on average 1.4492415402567094) internal successors, (1242), 903 states have internal predecessors, (1242), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:45:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1474 transitions. [2024-11-09 11:45:01,149 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1474 transitions. Word has length 82 [2024-11-09 11:45:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:45:01,150 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1474 transitions. [2024-11-09 11:45:01,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:45:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1474 transitions. [2024-11-09 11:45:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:45:01,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:45:01,151 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:45:01,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:45:01,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-09 11:45:01,352 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:45:01,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:45:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash -31924351, now seen corresponding path program 1 times [2024-11-09 11:45:01,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:45:01,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991832215] [2024-11-09 11:45:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:45:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:45:01,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427891085] [2024-11-09 11:45:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:01,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:45:01,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:45:01,376 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) [2024-11-09 11:45:01,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:45:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:01,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:45:01,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:45:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:01,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:45:02,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:45:02,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991832215] [2024-11-09 11:45:02,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:45:02,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427891085] [2024-11-09 11:45:02,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427891085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:45:02,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:45:02,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:45:02,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698998027] [2024-11-09 11:45:02,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:45:02,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:45:02,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:45:02,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:45:02,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:45:02,012 INFO L87 Difference]: Start difference. First operand 1022 states and 1474 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:45:02,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:45:02,423 INFO L93 Difference]: Finished difference Result 1150 states and 1617 transitions. [2024-11-09 11:45:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:45:02,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2024-11-09 11:45:02,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:45:02,430 INFO L225 Difference]: With dead ends: 1150 [2024-11-09 11:45:02,431 INFO L226 Difference]: Without dead ends: 1149 [2024-11-09 11:45:02,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:45:02,432 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 173 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:45:02,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 396 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:45:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-11-09 11:45:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1031. [2024-11-09 11:45:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 866 states have (on average 1.4457274826789839) internal successors, (1252), 912 states have internal predecessors, (1252), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:45:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1484 transitions. [2024-11-09 11:45:02,563 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1484 transitions. Word has length 83 [2024-11-09 11:45:02,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:45:02,563 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1484 transitions. [2024-11-09 11:45:02,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:45:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1484 transitions. [2024-11-09 11:45:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:45:02,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:45:02,565 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:45:02,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-09 11:45:02,769 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,SelfDestructingSolverStorable47 [2024-11-09 11:45:02,770 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:45:02,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:45:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash -83181890, now seen corresponding path program 1 times [2024-11-09 11:45:02,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:45:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512071014] [2024-11-09 11:45:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:45:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:45:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:45:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:45:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:45:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:45:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 11:45:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:45:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 11:45:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:02,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:45:02,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512071014] [2024-11-09 11:45:02,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512071014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:45:02,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320207398] [2024-11-09 11:45:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:45:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:45:02,902 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) [2024-11-09 11:45:02,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:45:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:02,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:45:02,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:45:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:03,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:45:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:03,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320207398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:45:03,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:45:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-11-09 11:45:03,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062680239] [2024-11-09 11:45:03,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:45:03,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:45:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:45:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:45:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:45:03,182 INFO L87 Difference]: Start difference. First operand 1031 states and 1484 transitions. Second operand has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-09 11:45:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:45:03,882 INFO L93 Difference]: Finished difference Result 1052 states and 1493 transitions. [2024-11-09 11:45:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 11:45:03,882 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 85 [2024-11-09 11:45:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:45:03,892 INFO L225 Difference]: With dead ends: 1052 [2024-11-09 11:45:03,892 INFO L226 Difference]: Without dead ends: 1049 [2024-11-09 11:45:03,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 11:45:03,893 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 958 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:45:03,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 292 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:45:03,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-09 11:45:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1029. [2024-11-09 11:45:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 866 states have (on average 1.4237875288683604) internal successors, (1233), 910 states have internal predecessors, (1233), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:45:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1465 transitions. [2024-11-09 11:45:04,060 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1465 transitions. Word has length 85 [2024-11-09 11:45:04,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:45:04,064 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1465 transitions. [2024-11-09 11:45:04,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.866666666666667) internal successors, (133), 16 states have internal predecessors, (133), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-09 11:45:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1465 transitions. [2024-11-09 11:45:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:45:04,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:45:04,065 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:45:04,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-09 11:45:04,265 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,SelfDestructingSolverStorable48 [2024-11-09 11:45:04,266 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 11:45:04,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:45:04,266 INFO L85 PathProgramCache]: Analyzing trace with hash -614525085, now seen corresponding path program 1 times [2024-11-09 11:45:04,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:45:04,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705942650] [2024-11-09 11:45:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:04,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:45:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:45:04,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868580052] [2024-11-09 11:45:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:45:04,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:45:04,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:45:04,292 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) [2024-11-09 11:45:04,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:45:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:45:04,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:45:04,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:45:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:45:04,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:45:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:45:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705942650] [2024-11-09 11:45:04,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:45:04,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868580052] [2024-11-09 11:45:04,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868580052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:45:04,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:45:04,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:45:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243234554] [2024-11-09 11:45:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:45:04,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:45:04,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:45:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:45:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:45:04,557 INFO L87 Difference]: Start difference. First operand 1029 states and 1465 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)