./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.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 e587d407128aaafd417211e5ccf66790913a0bc1afeba03ae0cdb578f5831614 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:08:58,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:08:58,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:08:58,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:08:58,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:08:58,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:08:58,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:08:58,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:08:58,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:08:58,431 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:08:58,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:08:58,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:08:58,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:08:58,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:08:58,433 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:08:58,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:08:58,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:08:58,436 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:08:58,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:08:58,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:08:58,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:08:58,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:08:58,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:08:58,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:08:58,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:08:58,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:08:58,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:08:58,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:08:58,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:08:58,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:08:58,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:08:58,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:08:58,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:08:58,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:08:58,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:08:58,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:08:58,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:08:58,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:08:58,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:08:58,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:08:58,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:08:58,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:08:58,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:08:58,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:08:58,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e587d407128aaafd417211e5ccf66790913a0bc1afeba03ae0cdb578f5831614 [2024-10-24 20:08:58,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:08:58,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:08:58,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:08:58,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:08:58,644 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:08:58,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-10-24 20:08:59,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:09:00,124 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:09:00,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-10-24 20:09:00,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e48456bf/f7baa7e9bdc14a458d0fdd5f170b454d/FLAG0b1db3ba3 [2024-10-24 20:09:00,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e48456bf/f7baa7e9bdc14a458d0fdd5f170b454d [2024-10-24 20:09:00,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:09:00,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:09:00,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:09:00,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:09:00,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:09:00,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a9cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00, skipping insertion in model container [2024-10-24 20:09:00,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:09:00,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:09:00,345 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:09:00,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:09:00,377 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:09:00,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00 WrapperNode [2024-10-24 20:09:00,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:09:00,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:09:00,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:09:00,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:09:00,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,407 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-10-24 20:09:00,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:09:00,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:09:00,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:09:00,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:09:00,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,428 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:09:00,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:09:00,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:09:00,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:09:00,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:09:00,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (1/1) ... [2024-10-24 20:09:00,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:09:00,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:00,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:09:00,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:09:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:09:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 20:09:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 20:09:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:09:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:09:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:09:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:09:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:09:00,589 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:09:00,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:09:01,273 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-24 20:09:01,273 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:09:01,296 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:09:01,297 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:09:01,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:09:01 BoogieIcfgContainer [2024-10-24 20:09:01,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:09:01,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:09:01,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:09:01,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:09:01,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:09:00" (1/3) ... [2024-10-24 20:09:01,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5ea607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:09:01, skipping insertion in model container [2024-10-24 20:09:01,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:09:00" (2/3) ... [2024-10-24 20:09:01,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5ea607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:09:01, skipping insertion in model container [2024-10-24 20:09:01,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:09:01" (3/3) ... [2024-10-24 20:09:01,306 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2024-10-24 20:09:01,321 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:09:01,321 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-10-24 20:09:01,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:09:01,379 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;@3656b463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:09:01,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-10-24 20:09:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:09:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:09:01,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:01,390 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:01,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:01,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:01,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1634057786, now seen corresponding path program 1 times [2024-10-24 20:09:01,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:01,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25262646] [2024-10-24 20:09:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:01,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:09:01,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:01,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25262646] [2024-10-24 20:09:01,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25262646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:01,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:01,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:09:01,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178597243] [2024-10-24 20:09:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:01,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:09:01,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:01,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:09:01,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:09:01,593 INFO L87 Difference]: Start difference. First operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:09:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:01,624 INFO L93 Difference]: Finished difference Result 313 states and 359 transitions. [2024-10-24 20:09:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:09:01,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-24 20:09:01,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:01,633 INFO L225 Difference]: With dead ends: 313 [2024-10-24 20:09:01,634 INFO L226 Difference]: Without dead ends: 154 [2024-10-24 20:09:01,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:09:01,639 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:01,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:09:01,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-24 20:09:01,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-24 20:09:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 20:09:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-10-24 20:09:01,677 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2024-10-24 20:09:01,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:01,678 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-10-24 20:09:01,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 20:09:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-10-24 20:09:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:09:01,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:01,679 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:01,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:09:01,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:01,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash 385715966, now seen corresponding path program 1 times [2024-10-24 20:09:01,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:01,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296222562] [2024-10-24 20:09:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:01,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738336898] [2024-10-24 20:09:01,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:01,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:01,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:09:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:01,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:09:01,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:01,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:01,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:01,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296222562] [2024-10-24 20:09:01,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:01,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738336898] [2024-10-24 20:09:01,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738336898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:01,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:01,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 20:09:01,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857938104] [2024-10-24 20:09:01,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:01,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:09:01,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:01,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:09:01,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:01,987 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 20:09:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:02,350 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-10-24 20:09:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:02,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-10-24 20:09:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:02,355 INFO L225 Difference]: With dead ends: 154 [2024-10-24 20:09:02,355 INFO L226 Difference]: Without dead ends: 152 [2024-10-24 20:09:02,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:02,356 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 196 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:02,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 236 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-24 20:09:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-24 20:09:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 20:09:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-24 20:09:02,381 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2024-10-24 20:09:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:02,382 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-24 20:09:02,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 20:09:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-24 20:09:02,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-24 20:09:02,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:02,382 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:02,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:02,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:02,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:02,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash -927706900, now seen corresponding path program 1 times [2024-10-24 20:09:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:02,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785313922] [2024-10-24 20:09:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:02,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188825300] [2024-10-24 20:09:02,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:02,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:02,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:09:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:02,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:09:02,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 20:09:02,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:03,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:03,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785313922] [2024-10-24 20:09:03,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:03,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188825300] [2024-10-24 20:09:03,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188825300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:03,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:03,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:09:03,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338761703] [2024-10-24 20:09:03,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:03,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:09:03,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:03,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:09:03,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:03,182 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 20:09:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:03,438 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-24 20:09:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:03,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-10-24 20:09:03,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:03,439 INFO L225 Difference]: With dead ends: 152 [2024-10-24 20:09:03,439 INFO L226 Difference]: Without dead ends: 151 [2024-10-24 20:09:03,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:03,441 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 285 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:03,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 220 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:09:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-24 20:09:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-24 20:09:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 20:09:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-24 20:09:03,456 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-10-24 20:09:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:03,457 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-24 20:09:03,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 20:09:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-24 20:09:03,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:09:03,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:03,462 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:03,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:09:03,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-24 20:09:03,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:03,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:03,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1810640804, now seen corresponding path program 1 times [2024-10-24 20:09:03,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:03,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186784683] [2024-10-24 20:09:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:03,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:03,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:03,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186784683] [2024-10-24 20:09:03,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186784683] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:03,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640990098] [2024-10-24 20:09:03,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:03,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:03,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:03,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:09:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:03,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:09:03,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:03,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:03,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640990098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:03,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:03,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-24 20:09:03,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641617160] [2024-10-24 20:09:03,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:03,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:03,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:03,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:03,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:03,935 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:04,449 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2024-10-24 20:09:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-10-24 20:09:04,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:04,451 INFO L225 Difference]: With dead ends: 257 [2024-10-24 20:09:04,451 INFO L226 Difference]: Without dead ends: 247 [2024-10-24 20:09:04,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:09:04,452 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:04,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-24 20:09:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2024-10-24 20:09:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 20:09:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-10-24 20:09:04,481 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2024-10-24 20:09:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:04,482 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-10-24 20:09:04,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-10-24 20:09:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 20:09:04,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:04,482 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:04,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:09:04,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:04,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:04,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:04,684 INFO L85 PathProgramCache]: Analyzing trace with hash 295288537, now seen corresponding path program 1 times [2024-10-24 20:09:04,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:04,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185537283] [2024-10-24 20:09:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:04,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596447134] [2024-10-24 20:09:04,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:04,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:04,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:04,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:09:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:04,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:09:04,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:04,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:04,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185537283] [2024-10-24 20:09:04,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596447134] [2024-10-24 20:09:04,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596447134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:04,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:04,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:09:04,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102031590] [2024-10-24 20:09:04,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:04,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:04,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:04,746 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 20:09:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:04,889 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2024-10-24 20:09:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:04,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-10-24 20:09:04,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:04,891 INFO L225 Difference]: With dead ends: 350 [2024-10-24 20:09:04,891 INFO L226 Difference]: Without dead ends: 342 [2024-10-24 20:09:04,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:04,892 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:04,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:04,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-24 20:09:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2024-10-24 20:09:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2024-10-24 20:09:04,904 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2024-10-24 20:09:04,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:04,904 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2024-10-24 20:09:04,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 20:09:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2024-10-24 20:09:04,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-24 20:09:04,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:04,905 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:04,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:09:05,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:05,106 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:05,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 564063750, now seen corresponding path program 1 times [2024-10-24 20:09:05,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:05,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985855157] [2024-10-24 20:09:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:05,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:05,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:05,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985855157] [2024-10-24 20:09:05,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985855157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:05,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828947224] [2024-10-24 20:09:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:05,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:05,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:05,225 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:05,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:09:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:05,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:05,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:05,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:05,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828947224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:05,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:05,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:05,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872699260] [2024-10-24 20:09:05,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:05,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:05,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:05,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:05,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:05,331 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:05,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:05,723 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2024-10-24 20:09:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:05,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-24 20:09:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:05,725 INFO L225 Difference]: With dead ends: 322 [2024-10-24 20:09:05,725 INFO L226 Difference]: Without dead ends: 321 [2024-10-24 20:09:05,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:05,726 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:05,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-24 20:09:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2024-10-24 20:09:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-10-24 20:09:05,737 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-10-24 20:09:05,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:05,737 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-10-24 20:09:05,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:05,737 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-10-24 20:09:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 20:09:05,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:05,738 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:05,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:09:05,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:05,943 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:05,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:05,944 INFO L85 PathProgramCache]: Analyzing trace with hash 304444923, now seen corresponding path program 1 times [2024-10-24 20:09:05,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:05,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523549171] [2024-10-24 20:09:05,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:05,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:06,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523549171] [2024-10-24 20:09:06,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523549171] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:06,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678021025] [2024-10-24 20:09:06,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:06,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:06,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:06,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:06,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:09:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:06,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:09:06,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:06,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:06,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678021025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:06,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:06,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-24 20:09:06,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226538296] [2024-10-24 20:09:06,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:06,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:06,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:06,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:06,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:09:06,395 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:07,806 INFO L93 Difference]: Finished difference Result 385 states and 452 transitions. [2024-10-24 20:09:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-24 20:09:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:07,814 INFO L225 Difference]: With dead ends: 385 [2024-10-24 20:09:07,814 INFO L226 Difference]: Without dead ends: 384 [2024-10-24 20:09:07,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:09:07,815 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 475 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:07,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 280 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 20:09:07,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-24 20:09:07,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 304. [2024-10-24 20:09:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7579908675799087) internal successors, (385), 278 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 431 transitions. [2024-10-24 20:09:07,846 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 431 transitions. Word has length 43 [2024-10-24 20:09:07,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:07,847 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 431 transitions. [2024-10-24 20:09:07,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 431 transitions. [2024-10-24 20:09:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 20:09:07,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:07,851 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:07,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:09:08,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:08,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:08,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash 306107257, now seen corresponding path program 1 times [2024-10-24 20:09:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:08,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708002494] [2024-10-24 20:09:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:08,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:08,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:08,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708002494] [2024-10-24 20:09:08,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708002494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:08,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127933567] [2024-10-24 20:09:08,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:08,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:08,137 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:08,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:09:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:08,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:08,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:08,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:08,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127933567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:08,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:08,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:08,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787816608] [2024-10-24 20:09:08,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:08,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:08,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:08,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:08,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:08,238 INFO L87 Difference]: Start difference. First operand 304 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:08,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:08,725 INFO L93 Difference]: Finished difference Result 322 states and 451 transitions. [2024-10-24 20:09:08,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:08,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-24 20:09:08,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:08,727 INFO L225 Difference]: With dead ends: 322 [2024-10-24 20:09:08,727 INFO L226 Difference]: Without dead ends: 321 [2024-10-24 20:09:08,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:08,728 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:08,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:08,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-24 20:09:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-10-24 20:09:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-10-24 20:09:08,741 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2024-10-24 20:09:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-10-24 20:09:08,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-10-24 20:09:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:09:08,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:08,742 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:08,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:08,947 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:08,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:08,948 INFO L85 PathProgramCache]: Analyzing trace with hash 847858100, now seen corresponding path program 1 times [2024-10-24 20:09:08,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:08,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445731175] [2024-10-24 20:09:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:08,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666654541] [2024-10-24 20:09:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:08,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:08,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:08,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:09:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:09,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:09:09,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:09,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:09,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445731175] [2024-10-24 20:09:09,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666654541] [2024-10-24 20:09:09,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666654541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:09,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:09,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660319905] [2024-10-24 20:09:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:09,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:09,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:09,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:09,046 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:09,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:09,874 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2024-10-24 20:09:09,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:09,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-24 20:09:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:09,876 INFO L225 Difference]: With dead ends: 384 [2024-10-24 20:09:09,877 INFO L226 Difference]: Without dead ends: 383 [2024-10-24 20:09:09,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:09,877 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 470 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:09,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 281 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:09,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-24 20:09:09,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2024-10-24 20:09:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.75) internal successors, (385), 279 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 431 transitions. [2024-10-24 20:09:09,890 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 431 transitions. Word has length 44 [2024-10-24 20:09:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:09,890 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 431 transitions. [2024-10-24 20:09:09,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 431 transitions. [2024-10-24 20:09:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:09:09,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:09,891 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:09,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 20:09:10,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 20:09:10,093 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:10,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:10,093 INFO L85 PathProgramCache]: Analyzing trace with hash 899390568, now seen corresponding path program 1 times [2024-10-24 20:09:10,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:10,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885567058] [2024-10-24 20:09:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:10,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:10,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885567058] [2024-10-24 20:09:10,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885567058] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853609792] [2024-10-24 20:09:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:10,196 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:10,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:09:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:10,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:10,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:10,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:10,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853609792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:10,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:10,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:10,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672627181] [2024-10-24 20:09:10,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:10,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:10,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:10,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:10,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:10,259 INFO L87 Difference]: Start difference. First operand 305 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:11,451 INFO L93 Difference]: Finished difference Result 354 states and 459 transitions. [2024-10-24 20:09:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:11,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-24 20:09:11,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:11,453 INFO L225 Difference]: With dead ends: 354 [2024-10-24 20:09:11,453 INFO L226 Difference]: Without dead ends: 350 [2024-10-24 20:09:11,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:11,454 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 96 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:11,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 269 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 20:09:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-24 20:09:11,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2024-10-24 20:09:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2024-10-24 20:09:11,463 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2024-10-24 20:09:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:11,463 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2024-10-24 20:09:11,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2024-10-24 20:09:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 20:09:11,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:11,465 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:11,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:11,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 20:09:11,666 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:11,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2111304027, now seen corresponding path program 1 times [2024-10-24 20:09:11,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:11,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416249766] [2024-10-24 20:09:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:11,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:11,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416249766] [2024-10-24 20:09:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416249766] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514998482] [2024-10-24 20:09:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:11,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:11,725 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:11,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:09:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:11,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:11,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:11,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514998482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:11,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:11,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114254943] [2024-10-24 20:09:11,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:11,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:11,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:11,933 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:13,285 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2024-10-24 20:09:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:13,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-24 20:09:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:13,288 INFO L225 Difference]: With dead ends: 353 [2024-10-24 20:09:13,288 INFO L226 Difference]: Without dead ends: 349 [2024-10-24 20:09:13,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:13,289 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 95 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:13,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 275 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 20:09:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-24 20:09:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2024-10-24 20:09:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-24 20:09:13,303 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2024-10-24 20:09:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:13,303 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-24 20:09:13,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 20:09:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-24 20:09:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 20:09:13,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:13,304 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:13,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:09:13,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 20:09:13,506 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:13,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash -251836423, now seen corresponding path program 1 times [2024-10-24 20:09:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:13,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983072113] [2024-10-24 20:09:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:13,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335262041] [2024-10-24 20:09:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:13,524 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:13,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:09:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:13,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:09:13,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:13,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:13,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:13,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983072113] [2024-10-24 20:09:13,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:13,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335262041] [2024-10-24 20:09:13,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335262041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:13,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:13,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:09:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454013222] [2024-10-24 20:09:13,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:13,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:13,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:13,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:13,610 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:13,730 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2024-10-24 20:09:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-24 20:09:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:13,732 INFO L225 Difference]: With dead ends: 355 [2024-10-24 20:09:13,732 INFO L226 Difference]: Without dead ends: 351 [2024-10-24 20:09:13,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:13,733 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:13,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-24 20:09:13,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2024-10-24 20:09:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 20:09:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-10-24 20:09:13,742 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2024-10-24 20:09:13,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:13,742 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-10-24 20:09:13,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-10-24 20:09:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:09:13,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:13,743 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:13,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:09:13,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 20:09:13,944 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:13,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:13,944 INFO L85 PathProgramCache]: Analyzing trace with hash -901112636, now seen corresponding path program 1 times [2024-10-24 20:09:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:13,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726530139] [2024-10-24 20:09:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:13,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:13,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:13,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 20:09:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:14,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:14,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726530139] [2024-10-24 20:09:14,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726530139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:14,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307269011] [2024-10-24 20:09:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:14,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:14,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:14,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:14,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:09:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:14,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:14,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:14,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307269011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:14,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:14,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:14,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334131749] [2024-10-24 20:09:14,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:14,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:14,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:14,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:14,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:14,131 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:14,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:14,421 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2024-10-24 20:09:14,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:14,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-10-24 20:09:14,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:14,423 INFO L225 Difference]: With dead ends: 333 [2024-10-24 20:09:14,423 INFO L226 Difference]: Without dead ends: 331 [2024-10-24 20:09:14,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:14,424 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 166 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:14,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 214 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-24 20:09:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-24 20:09:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 20:09:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2024-10-24 20:09:14,446 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2024-10-24 20:09:14,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:14,446 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2024-10-24 20:09:14,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2024-10-24 20:09:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 20:09:14,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:14,448 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:14,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:14,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:09:14,649 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:14,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2130279556, now seen corresponding path program 1 times [2024-10-24 20:09:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947735006] [2024-10-24 20:09:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 20:09:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 20:09:14,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:14,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947735006] [2024-10-24 20:09:14,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947735006] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790129826] [2024-10-24 20:09:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:14,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:14,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:09:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:14,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:14,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:14,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:14,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790129826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:14,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:14,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-24 20:09:14,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136721459] [2024-10-24 20:09:14,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:14,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:14,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:14,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:14,835 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:15,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:15,154 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2024-10-24 20:09:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:15,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-24 20:09:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:15,159 INFO L225 Difference]: With dead ends: 333 [2024-10-24 20:09:15,160 INFO L226 Difference]: Without dead ends: 331 [2024-10-24 20:09:15,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:15,160 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:15,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-24 20:09:15,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-24 20:09:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 20:09:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2024-10-24 20:09:15,185 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2024-10-24 20:09:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:15,185 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2024-10-24 20:09:15,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2024-10-24 20:09:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:09:15,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:15,186 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:15,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:09:15,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:09:15,387 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:15,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:15,387 INFO L85 PathProgramCache]: Analyzing trace with hash 551428221, now seen corresponding path program 1 times [2024-10-24 20:09:15,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:15,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734935656] [2024-10-24 20:09:15,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:15,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936621729] [2024-10-24 20:09:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:15,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:15,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:15,433 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:09:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:15,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:15,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:15,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:15,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:15,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734935656] [2024-10-24 20:09:15,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:15,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936621729] [2024-10-24 20:09:15,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936621729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:15,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:15,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:15,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912577827] [2024-10-24 20:09:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:15,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:15,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:15,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:15,529 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:16,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:16,006 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2024-10-24 20:09:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:16,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-10-24 20:09:16,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:16,008 INFO L225 Difference]: With dead ends: 349 [2024-10-24 20:09:16,008 INFO L226 Difference]: Without dead ends: 347 [2024-10-24 20:09:16,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:16,010 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 82 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:16,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 363 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:16,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-24 20:09:16,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2024-10-24 20:09:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 20:09:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2024-10-24 20:09:16,019 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2024-10-24 20:09:16,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:16,019 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2024-10-24 20:09:16,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2024-10-24 20:09:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:09:16,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:16,020 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:16,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:09:16,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:16,221 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:16,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:16,221 INFO L85 PathProgramCache]: Analyzing trace with hash -85594241, now seen corresponding path program 1 times [2024-10-24 20:09:16,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:16,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642859809] [2024-10-24 20:09:16,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:16,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788161265] [2024-10-24 20:09:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:16,235 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:16,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:09:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:16,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:16,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:16,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:16,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:16,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642859809] [2024-10-24 20:09:16,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:16,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788161265] [2024-10-24 20:09:16,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788161265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:16,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:16,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:16,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274309621] [2024-10-24 20:09:16,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:16,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:16,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:16,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:16,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:16,335 INFO L87 Difference]: Start difference. First operand 313 states and 420 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:16,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:16,678 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2024-10-24 20:09:16,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:16,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-24 20:09:16,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:16,680 INFO L225 Difference]: With dead ends: 349 [2024-10-24 20:09:16,680 INFO L226 Difference]: Without dead ends: 334 [2024-10-24 20:09:16,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:16,681 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 135 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:16,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 291 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:16,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-24 20:09:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-10-24 20:09:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2024-10-24 20:09:16,689 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2024-10-24 20:09:16,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:16,689 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2024-10-24 20:09:16,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 20:09:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2024-10-24 20:09:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 20:09:16,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:16,690 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:16,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:09:16,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:09:16,891 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:16,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash -793094161, now seen corresponding path program 1 times [2024-10-24 20:09:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:16,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142397508] [2024-10-24 20:09:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:16,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294270286] [2024-10-24 20:09:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:16,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:16,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:16,908 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:16,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:09:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:16,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:16,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 20:09:17,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:17,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:17,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142397508] [2024-10-24 20:09:17,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294270286] [2024-10-24 20:09:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294270286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:17,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:17,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:17,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661008442] [2024-10-24 20:09:17,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:17,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:17,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:17,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:17,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:17,054 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:17,487 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-24 20:09:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:17,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-10-24 20:09:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:17,489 INFO L225 Difference]: With dead ends: 325 [2024-10-24 20:09:17,489 INFO L226 Difference]: Without dead ends: 324 [2024-10-24 20:09:17,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:17,490 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:17,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:17,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-24 20:09:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-24 20:09:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2024-10-24 20:09:17,503 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2024-10-24 20:09:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:17,504 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2024-10-24 20:09:17,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2024-10-24 20:09:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 20:09:17,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:17,507 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:17,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:17,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:09:17,711 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:17,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:17,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1183884886, now seen corresponding path program 1 times [2024-10-24 20:09:17,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:17,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980790191] [2024-10-24 20:09:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125296760] [2024-10-24 20:09:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:17,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:17,727 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:17,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:09:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:17,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:17,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-24 20:09:17,885 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980790191] [2024-10-24 20:09:17,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125296760] [2024-10-24 20:09:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125296760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:17,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601226097] [2024-10-24 20:09:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:17,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:17,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:17,888 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:18,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:18,352 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2024-10-24 20:09:18,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:18,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-10-24 20:09:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:18,355 INFO L225 Difference]: With dead ends: 325 [2024-10-24 20:09:18,355 INFO L226 Difference]: Without dead ends: 324 [2024-10-24 20:09:18,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:18,355 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 205 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:18,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-24 20:09:18,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-24 20:09:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2024-10-24 20:09:18,368 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2024-10-24 20:09:18,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:18,368 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2024-10-24 20:09:18,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 20:09:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2024-10-24 20:09:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 20:09:18,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:18,369 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:18,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-24 20:09:18,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 20:09:18,571 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:18,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:18,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1511060975, now seen corresponding path program 1 times [2024-10-24 20:09:18,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:18,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181401718] [2024-10-24 20:09:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:18,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:18,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660834196] [2024-10-24 20:09:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:18,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:18,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:18,591 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:18,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:09:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:18,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:18,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:09:18,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181401718] [2024-10-24 20:09:18,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660834196] [2024-10-24 20:09:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660834196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682208025] [2024-10-24 20:09:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:18,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:18,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:18,846 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:19,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:19,221 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-10-24 20:09:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:19,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-10-24 20:09:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:19,223 INFO L225 Difference]: With dead ends: 327 [2024-10-24 20:09:19,223 INFO L226 Difference]: Without dead ends: 326 [2024-10-24 20:09:19,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:19,224 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 44 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:19,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 325 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:19,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-24 20:09:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-24 20:09:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2024-10-24 20:09:19,236 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2024-10-24 20:09:19,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:19,237 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2024-10-24 20:09:19,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-10-24 20:09:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 20:09:19,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:19,238 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:19,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:09:19,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:19,438 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:19,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:19,439 INFO L85 PathProgramCache]: Analyzing trace with hash 401750145, now seen corresponding path program 1 times [2024-10-24 20:09:19,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:19,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431605627] [2024-10-24 20:09:19,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:19,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704701695] [2024-10-24 20:09:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:19,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:19,458 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:19,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:09:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:19,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:19,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:09:20,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:20,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:20,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431605627] [2024-10-24 20:09:20,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:20,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704701695] [2024-10-24 20:09:20,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704701695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:20,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:20,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:20,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922771116] [2024-10-24 20:09:20,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:20,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:20,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:20,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-24 20:09:20,944 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:24,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-24 20:09:25,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-24 20:09:27,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-24 20:09:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:28,202 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2024-10-24 20:09:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:28,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-10-24 20:09:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:28,204 INFO L225 Difference]: With dead ends: 327 [2024-10-24 20:09:28,204 INFO L226 Difference]: Without dead ends: 326 [2024-10-24 20:09:28,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-24 20:09:28,205 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:28,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 223 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 4 Unknown, 0 Unchecked, 7.2s Time] [2024-10-24 20:09:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-24 20:09:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-24 20:09:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2024-10-24 20:09:28,225 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2024-10-24 20:09:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:28,225 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2024-10-24 20:09:28,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2024-10-24 20:09:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 20:09:28,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:28,226 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:28,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-24 20:09:28,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:28,427 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:28,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:28,427 INFO L85 PathProgramCache]: Analyzing trace with hash -430647277, now seen corresponding path program 1 times [2024-10-24 20:09:28,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246893062] [2024-10-24 20:09:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:28,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:28,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267957942] [2024-10-24 20:09:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:28,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:28,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:28,452 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:28,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:09:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:28,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:28,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:09:28,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:28,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:28,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246893062] [2024-10-24 20:09:28,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:28,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267957942] [2024-10-24 20:09:28,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267957942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:28,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:28,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:28,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082128879] [2024-10-24 20:09:28,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:28,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:28,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:28,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:28,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:28,548 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:29,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:29,075 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-10-24 20:09:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:29,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-24 20:09:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:29,077 INFO L225 Difference]: With dead ends: 320 [2024-10-24 20:09:29,077 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 20:09:29,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:29,078 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 91 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:29,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 260 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:29,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 20:09:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-24 20:09:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2024-10-24 20:09:29,107 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2024-10-24 20:09:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:29,107 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2024-10-24 20:09:29,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:29,108 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2024-10-24 20:09:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 20:09:29,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:29,108 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:29,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:29,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 20:09:29,309 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:29,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:29,310 INFO L85 PathProgramCache]: Analyzing trace with hash -465163581, now seen corresponding path program 1 times [2024-10-24 20:09:29,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:29,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825253896] [2024-10-24 20:09:29,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:29,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:29,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035865673] [2024-10-24 20:09:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:29,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:29,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:29,331 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:29,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:09:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:29,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:09:29,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 20:09:29,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:29,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825253896] [2024-10-24 20:09:29,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035865673] [2024-10-24 20:09:29,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035865673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:29,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:29,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:29,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094216861] [2024-10-24 20:09:29,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:29,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:29,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:29,461 INFO L87 Difference]: Start difference. First operand 301 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:29,911 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2024-10-24 20:09:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:29,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-10-24 20:09:29,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:29,914 INFO L225 Difference]: With dead ends: 320 [2024-10-24 20:09:29,914 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 20:09:29,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:29,915 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:29,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 263 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 20:09:29,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-24 20:09:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2024-10-24 20:09:29,926 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2024-10-24 20:09:29,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:29,927 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2024-10-24 20:09:29,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2024-10-24 20:09:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-24 20:09:29,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:29,927 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:29,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-24 20:09:30,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-24 20:09:30,128 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:30,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:30,128 INFO L85 PathProgramCache]: Analyzing trace with hash -694586855, now seen corresponding path program 1 times [2024-10-24 20:09:30,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:30,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362466759] [2024-10-24 20:09:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:30,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:30,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450678624] [2024-10-24 20:09:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:30,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:30,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:30,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:30,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:09:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:30,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:09:30,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-24 20:09:30,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-24 20:09:30,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:30,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362466759] [2024-10-24 20:09:30,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:30,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450678624] [2024-10-24 20:09:30,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450678624] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:30,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:30,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 20:09:30,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824431414] [2024-10-24 20:09:30,708 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:30,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:30,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:30,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:30,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:30,709 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 20:09:31,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:31,547 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2024-10-24 20:09:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:31,548 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 82 [2024-10-24 20:09:31,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:31,549 INFO L225 Difference]: With dead ends: 319 [2024-10-24 20:09:31,549 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 20:09:31,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:31,550 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 156 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:31,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 562 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:31,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 20:09:31,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-24 20:09:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-24 20:09:31,564 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2024-10-24 20:09:31,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:31,565 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-24 20:09:31,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 20:09:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-24 20:09:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-24 20:09:31,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:31,566 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:31,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:31,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:31,767 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:31,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:31,767 INFO L85 PathProgramCache]: Analyzing trace with hash -57355895, now seen corresponding path program 1 times [2024-10-24 20:09:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:31,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245405420] [2024-10-24 20:09:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:31,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692715218] [2024-10-24 20:09:31,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:31,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:31,790 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:31,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-24 20:09:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:31,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:09:31,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:32,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:33,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:33,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245405420] [2024-10-24 20:09:33,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:33,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692715218] [2024-10-24 20:09:33,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692715218] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:33,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:33,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:09:33,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228803437] [2024-10-24 20:09:33,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:33,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:09:33,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:33,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:09:33,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:33,181 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:33,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:33,615 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2024-10-24 20:09:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:33,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-10-24 20:09:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:33,617 INFO L225 Difference]: With dead ends: 305 [2024-10-24 20:09:33,617 INFO L226 Difference]: Without dead ends: 304 [2024-10-24 20:09:33,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:33,617 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:33,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-24 20:09:33,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-24 20:09:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2024-10-24 20:09:33,626 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2024-10-24 20:09:33,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:33,627 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2024-10-24 20:09:33,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2024-10-24 20:09:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 20:09:33,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:33,627 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:33,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:33,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:33,832 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:33,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1778032613, now seen corresponding path program 1 times [2024-10-24 20:09:33,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:33,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077674041] [2024-10-24 20:09:33,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:33,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504841808] [2024-10-24 20:09:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:33,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:33,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:33,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:33,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-24 20:09:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:33,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:09:33,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-24 20:09:34,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:34,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:34,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077674041] [2024-10-24 20:09:34,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:34,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504841808] [2024-10-24 20:09:34,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504841808] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:34,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:34,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:34,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094296970] [2024-10-24 20:09:34,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:34,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:34,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:34,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:34,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:34,957 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:36,163 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2024-10-24 20:09:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:36,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-10-24 20:09:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:36,165 INFO L225 Difference]: With dead ends: 319 [2024-10-24 20:09:36,166 INFO L226 Difference]: Without dead ends: 316 [2024-10-24 20:09:36,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:36,166 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 167 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:36,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 328 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 20:09:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-24 20:09:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-24 20:09:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-10-24 20:09:36,179 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2024-10-24 20:09:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:36,179 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-10-24 20:09:36,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 20:09:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-10-24 20:09:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 20:09:36,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:36,180 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:36,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:36,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-24 20:09:36,382 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:36,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:36,382 INFO L85 PathProgramCache]: Analyzing trace with hash 715563979, now seen corresponding path program 1 times [2024-10-24 20:09:36,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:36,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084958026] [2024-10-24 20:09:36,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:36,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:36,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930641875] [2024-10-24 20:09:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:36,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:36,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:36,404 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:36,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-24 20:09:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:36,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 20:09:36,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-24 20:09:36,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:37,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084958026] [2024-10-24 20:09:37,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930641875] [2024-10-24 20:09:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930641875] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:37,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:37,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982912390] [2024-10-24 20:09:37,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:37,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:37,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:37,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:37,083 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:37,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:37,529 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2024-10-24 20:09:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:09:37,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-24 20:09:37,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:37,530 INFO L225 Difference]: With dead ends: 309 [2024-10-24 20:09:37,530 INFO L226 Difference]: Without dead ends: 306 [2024-10-24 20:09:37,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:37,531 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 230 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:37,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 252 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:09:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-24 20:09:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2024-10-24 20:09:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2024-10-24 20:09:37,552 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2024-10-24 20:09:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:37,552 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2024-10-24 20:09:37,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:09:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2024-10-24 20:09:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 20:09:37,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:37,553 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:37,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:37,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 20:09:37,754 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:37,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:37,755 INFO L85 PathProgramCache]: Analyzing trace with hash 772495050, now seen corresponding path program 1 times [2024-10-24 20:09:37,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:37,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422230553] [2024-10-24 20:09:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:37,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:37,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:37,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422230553] [2024-10-24 20:09:37,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422230553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:37,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:37,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:09:37,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762819955] [2024-10-24 20:09:37,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:37,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:09:37,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:37,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:09:37,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:37,828 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 20:09:38,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:38,006 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2024-10-24 20:09:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:09:38,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-10-24 20:09:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:38,009 INFO L225 Difference]: With dead ends: 301 [2024-10-24 20:09:38,009 INFO L226 Difference]: Without dead ends: 300 [2024-10-24 20:09:38,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:09:38,010 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:38,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:09:38,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-24 20:09:38,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-10-24 20:09:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2024-10-24 20:09:38,020 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2024-10-24 20:09:38,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:38,020 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2024-10-24 20:09:38,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 20:09:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2024-10-24 20:09:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 20:09:38,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:38,021 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:38,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 20:09:38,021 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:38,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:38,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1822457070, now seen corresponding path program 1 times [2024-10-24 20:09:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:38,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005955796] [2024-10-24 20:09:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:38,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:38,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:38,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005955796] [2024-10-24 20:09:38,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005955796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:38,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:38,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:09:38,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784935861] [2024-10-24 20:09:38,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:38,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:09:38,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:38,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:09:38,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:09:38,113 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:38,901 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2024-10-24 20:09:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:38,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-24 20:09:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:38,902 INFO L225 Difference]: With dead ends: 304 [2024-10-24 20:09:38,902 INFO L226 Difference]: Without dead ends: 303 [2024-10-24 20:09:38,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:38,903 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 423 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:38,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 225 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-24 20:09:38,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-10-24 20:09:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2024-10-24 20:09:38,912 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2024-10-24 20:09:38,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:38,912 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2024-10-24 20:09:38,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2024-10-24 20:09:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 20:09:38,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:38,913 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:38,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 20:09:38,913 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:38,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash 963878354, now seen corresponding path program 1 times [2024-10-24 20:09:38,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:38,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937127790] [2024-10-24 20:09:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:38,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:39,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:39,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937127790] [2024-10-24 20:09:39,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937127790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:39,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90811860] [2024-10-24 20:09:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:39,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:39,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:39,006 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:39,161 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2024-10-24 20:09:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:39,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-10-24 20:09:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:39,163 INFO L225 Difference]: With dead ends: 315 [2024-10-24 20:09:39,163 INFO L226 Difference]: Without dead ends: 314 [2024-10-24 20:09:39,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:39,164 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 14 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:39,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 432 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:39,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-24 20:09:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-10-24 20:09:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2024-10-24 20:09:39,179 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2024-10-24 20:09:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:39,179 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2024-10-24 20:09:39,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2024-10-24 20:09:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 20:09:39,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:39,180 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:39,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 20:09:39,181 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:39,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash -184541926, now seen corresponding path program 1 times [2024-10-24 20:09:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:39,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293970160] [2024-10-24 20:09:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:39,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:39,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064538706] [2024-10-24 20:09:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:39,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:39,200 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:39,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-24 20:09:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:39,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:39,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:39,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:39,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293970160] [2024-10-24 20:09:39,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064538706] [2024-10-24 20:09:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064538706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:39,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:39,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:09:39,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728222690] [2024-10-24 20:09:39,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:39,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:09:39,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:39,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:09:39,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:09:39,529 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:40,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:40,032 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2024-10-24 20:09:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:09:40,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-10-24 20:09:40,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:40,034 INFO L225 Difference]: With dead ends: 315 [2024-10-24 20:09:40,034 INFO L226 Difference]: Without dead ends: 314 [2024-10-24 20:09:40,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:40,034 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 15 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:40,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 309 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:09:40,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-24 20:09:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2024-10-24 20:09:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2024-10-24 20:09:40,049 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2024-10-24 20:09:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:40,050 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2024-10-24 20:09:40,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2024-10-24 20:09:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 20:09:40,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:40,051 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:40,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:40,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:40,252 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:40,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash 53337654, now seen corresponding path program 1 times [2024-10-24 20:09:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:40,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637535320] [2024-10-24 20:09:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:40,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:40,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981978160] [2024-10-24 20:09:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:40,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:40,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:40,267 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:40,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-24 20:09:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:40,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 20:09:40,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:40,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:40,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:40,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637535320] [2024-10-24 20:09:40,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:40,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981978160] [2024-10-24 20:09:40,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981978160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:40,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:40,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:09:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892045265] [2024-10-24 20:09:40,544 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:40,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:40,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:40,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:40,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:40,545 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:40,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:40,887 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2024-10-24 20:09:40,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:09:40,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2024-10-24 20:09:40,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:40,888 INFO L225 Difference]: With dead ends: 310 [2024-10-24 20:09:40,888 INFO L226 Difference]: Without dead ends: 308 [2024-10-24 20:09:40,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:09:40,889 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 199 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:40,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 411 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:40,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-24 20:09:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2024-10-24 20:09:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 20:09:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-10-24 20:09:40,898 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2024-10-24 20:09:40,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:40,899 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-10-24 20:09:40,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-10-24 20:09:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 20:09:40,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:40,899 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:40,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-24 20:09:41,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:41,105 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:41,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1653467349, now seen corresponding path program 1 times [2024-10-24 20:09:41,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:41,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160136236] [2024-10-24 20:09:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301522051] [2024-10-24 20:09:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:41,121 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:41,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-24 20:09:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:41,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 20:09:41,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:41,410 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 20:09:41,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:41,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:41,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160136236] [2024-10-24 20:09:41,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:41,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301522051] [2024-10-24 20:09:41,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301522051] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:41,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:09:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662033615] [2024-10-24 20:09:41,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:41,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:41,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:41,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:09:41,679 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:42,033 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2024-10-24 20:09:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:09:42,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-24 20:09:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:42,034 INFO L225 Difference]: With dead ends: 357 [2024-10-24 20:09:42,034 INFO L226 Difference]: Without dead ends: 355 [2024-10-24 20:09:42,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:09:42,035 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 326 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:42,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 369 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:09:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-24 20:09:42,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-24 20:09:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:09:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2024-10-24 20:09:42,047 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2024-10-24 20:09:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:42,047 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2024-10-24 20:09:42,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2024-10-24 20:09:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 20:09:42,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:42,048 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:42,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:42,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:42,252 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:42,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -130205738, now seen corresponding path program 1 times [2024-10-24 20:09:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263213364] [2024-10-24 20:09:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:42,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:42,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263213364] [2024-10-24 20:09:42,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263213364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:42,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:42,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:42,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443533089] [2024-10-24 20:09:42,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:42,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:42,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:42,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:42,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:42,323 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:43,097 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2024-10-24 20:09:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:43,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-10-24 20:09:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:43,099 INFO L225 Difference]: With dead ends: 367 [2024-10-24 20:09:43,099 INFO L226 Difference]: Without dead ends: 366 [2024-10-24 20:09:43,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:43,099 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 13 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:43,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 517 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 20:09:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-24 20:09:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-10-24 20:09:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:09:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2024-10-24 20:09:43,111 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2024-10-24 20:09:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:43,112 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2024-10-24 20:09:43,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 20:09:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2024-10-24 20:09:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 20:09:43,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:43,113 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:43,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 20:09:43,113 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:43,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:43,113 INFO L85 PathProgramCache]: Analyzing trace with hash -282119656, now seen corresponding path program 1 times [2024-10-24 20:09:43,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:43,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507970927] [2024-10-24 20:09:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:43,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:43,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507970927] [2024-10-24 20:09:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507970927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:43,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223611559] [2024-10-24 20:09:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:43,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:43,210 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 20:09:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:43,830 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2024-10-24 20:09:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:09:43,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2024-10-24 20:09:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:43,831 INFO L225 Difference]: With dead ends: 390 [2024-10-24 20:09:43,831 INFO L226 Difference]: Without dead ends: 389 [2024-10-24 20:09:43,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:09:43,832 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:43,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 552 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:09:43,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-24 20:09:43,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2024-10-24 20:09:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:09:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2024-10-24 20:09:43,845 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2024-10-24 20:09:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:43,846 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2024-10-24 20:09:43,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 20:09:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2024-10-24 20:09:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 20:09:43,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:43,847 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:43,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 20:09:43,847 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:43,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:43,847 INFO L85 PathProgramCache]: Analyzing trace with hash 258589598, now seen corresponding path program 1 times [2024-10-24 20:09:43,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61379701] [2024-10-24 20:09:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:43,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676005863] [2024-10-24 20:09:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:43,862 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:43,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-24 20:09:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:43,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:09:43,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:44,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:44,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:44,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61379701] [2024-10-24 20:09:44,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:44,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676005863] [2024-10-24 20:09:44,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676005863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:44,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:09:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:09:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80874182] [2024-10-24 20:09:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:44,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:09:44,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:09:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:44,032 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:44,187 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-24 20:09:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:09:44,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2024-10-24 20:09:44,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:44,189 INFO L225 Difference]: With dead ends: 365 [2024-10-24 20:09:44,189 INFO L226 Difference]: Without dead ends: 364 [2024-10-24 20:09:44,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:09:44,189 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:44,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 434 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:09:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-24 20:09:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-24 20:09:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:09:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2024-10-24 20:09:44,206 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2024-10-24 20:09:44,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:44,206 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2024-10-24 20:09:44,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2024-10-24 20:09:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 20:09:44,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:44,207 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:44,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:44,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:44,408 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:44,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:44,408 INFO L85 PathProgramCache]: Analyzing trace with hash -155774665, now seen corresponding path program 1 times [2024-10-24 20:09:44,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:44,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966123714] [2024-10-24 20:09:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:44,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409962066] [2024-10-24 20:09:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:44,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:44,426 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:44,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-24 20:09:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:44,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-24 20:09:44,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:44,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-24 20:09:44,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:44,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966123714] [2024-10-24 20:09:44,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:44,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409962066] [2024-10-24 20:09:44,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409962066] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:44,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:44,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-10-24 20:09:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068880207] [2024-10-24 20:09:44,911 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:44,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:09:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:09:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:09:44,912 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-24 20:09:46,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:46,024 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-24 20:09:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 20:09:46,025 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-10-24 20:09:46,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:46,026 INFO L225 Difference]: With dead ends: 365 [2024-10-24 20:09:46,026 INFO L226 Difference]: Without dead ends: 364 [2024-10-24 20:09:46,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-24 20:09:46,027 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 500 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:46,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 484 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:09:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-24 20:09:46,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-24 20:09:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 330 states have internal predecessors, (376), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:09:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2024-10-24 20:09:46,040 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 106 [2024-10-24 20:09:46,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:46,040 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2024-10-24 20:09:46,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-24 20:09:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2024-10-24 20:09:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 20:09:46,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:46,041 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:46,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-24 20:09:46,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-24 20:09:46,245 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:46,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1528558184, now seen corresponding path program 1 times [2024-10-24 20:09:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:46,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576943457] [2024-10-24 20:09:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:46,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576943457] [2024-10-24 20:09:46,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576943457] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919994006] [2024-10-24 20:09:46,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:46,358 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:46,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-24 20:09:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:46,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:46,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:46,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:46,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919994006] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:46,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:09:46,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-24 20:09:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161661400] [2024-10-24 20:09:46,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:46,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:09:46,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:46,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:09:46,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:09:46,577 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:47,370 INFO L93 Difference]: Finished difference Result 753 states and 866 transitions. [2024-10-24 20:09:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:09:47,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2024-10-24 20:09:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:47,372 INFO L225 Difference]: With dead ends: 753 [2024-10-24 20:09:47,372 INFO L226 Difference]: Without dead ends: 724 [2024-10-24 20:09:47,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:09:47,373 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 725 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:47,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 703 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:09:47,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-10-24 20:09:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 516. [2024-10-24 20:09:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 416 states have (on average 1.5408653846153846) internal successors, (641), 474 states have internal predecessors, (641), 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) [2024-10-24 20:09:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 719 transitions. [2024-10-24 20:09:47,391 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 719 transitions. Word has length 109 [2024-10-24 20:09:47,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:47,391 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 719 transitions. [2024-10-24 20:09:47,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:09:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 719 transitions. [2024-10-24 20:09:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 20:09:47,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:47,392 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:47,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-24 20:09:47,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-24 20:09:47,593 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:47,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:47,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2035063929, now seen corresponding path program 1 times [2024-10-24 20:09:47,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:47,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822213638] [2024-10-24 20:09:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 20:09:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 20:09:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 20:09:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 20:09:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:09:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:09:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 20:09:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 20:09:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 20:09:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:09:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 20:09:47,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:47,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822213638] [2024-10-24 20:09:47,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822213638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:47,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501979579] [2024-10-24 20:09:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:47,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:47,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:47,774 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:47,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 20:09:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:47,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:09:47,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:47,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:09:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501979579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:09:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-10-24 20:09:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326951479] [2024-10-24 20:09:47,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:09:47,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:09:47,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:47,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:09:47,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:09:47,946 INFO L87 Difference]: Start difference. First operand 516 states and 719 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:49,490 INFO L93 Difference]: Finished difference Result 978 states and 1302 transitions. [2024-10-24 20:09:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:09:49,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-24 20:09:49,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:49,493 INFO L225 Difference]: With dead ends: 978 [2024-10-24 20:09:49,493 INFO L226 Difference]: Without dead ends: 977 [2024-10-24 20:09:49,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-10-24 20:09:49,494 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 864 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:49,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 682 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 20:09:49,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-10-24 20:09:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 716. [2024-10-24 20:09:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 600 states have (on average 1.63) internal successors, (978), 658 states have internal predecessors, (978), 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) [2024-10-24 20:09:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1088 transitions. [2024-10-24 20:09:49,519 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1088 transitions. Word has length 112 [2024-10-24 20:09:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:49,519 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1088 transitions. [2024-10-24 20:09:49,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 20:09:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1088 transitions. [2024-10-24 20:09:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 20:09:49,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:49,534 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:49,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-24 20:09:49,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-24 20:09:49,735 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:49,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1337527720, now seen corresponding path program 1 times [2024-10-24 20:09:49,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:49,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587922667] [2024-10-24 20:09:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:49,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222244088] [2024-10-24 20:09:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:49,753 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:49,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-24 20:09:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:49,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:09:49,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:49,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 20:09:50,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:50,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587922667] [2024-10-24 20:09:50,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:50,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222244088] [2024-10-24 20:09:50,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222244088] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:09:50,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:09:50,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:09:50,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585542081] [2024-10-24 20:09:50,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:50,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:09:50,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:50,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:09:50,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:09:50,213 INFO L87 Difference]: Start difference. First operand 716 states and 1088 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-24 20:09:53,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-24 20:09:54,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:54,346 INFO L93 Difference]: Finished difference Result 1127 states and 1680 transitions. [2024-10-24 20:09:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:09:54,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 113 [2024-10-24 20:09:54,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:54,350 INFO L225 Difference]: With dead ends: 1127 [2024-10-24 20:09:54,350 INFO L226 Difference]: Without dead ends: 1126 [2024-10-24 20:09:54,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:09:54,351 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 983 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:54,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 557 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 575 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 20:09:54,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-10-24 20:09:54,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 875. [2024-10-24 20:09:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 747 states have (on average 1.6546184738955823) internal successors, (1236), 805 states have internal predecessors, (1236), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-24 20:09:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1370 transitions. [2024-10-24 20:09:54,380 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1370 transitions. Word has length 113 [2024-10-24 20:09:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:54,380 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1370 transitions. [2024-10-24 20:09:54,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-24 20:09:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1370 transitions. [2024-10-24 20:09:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 20:09:54,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:54,381 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:54,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:54,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-24 20:09:54,582 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:54,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:54,582 INFO L85 PathProgramCache]: Analyzing trace with hash -109099795, now seen corresponding path program 1 times [2024-10-24 20:09:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:54,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919868281] [2024-10-24 20:09:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:54,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742465846] [2024-10-24 20:09:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:54,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:54,595 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:54,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-24 20:09:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:54,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:09:54,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 20:09:55,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:55,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919868281] [2024-10-24 20:09:55,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742465846] [2024-10-24 20:09:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742465846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:55,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:09:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376222222] [2024-10-24 20:09:55,345 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:55,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:09:55,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:55,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:09:55,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:09:55,345 INFO L87 Difference]: Start difference. First operand 875 states and 1370 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-24 20:09:56,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:56,546 INFO L93 Difference]: Finished difference Result 962 states and 1478 transitions. [2024-10-24 20:09:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:09:56,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 119 [2024-10-24 20:09:56,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:56,549 INFO L225 Difference]: With dead ends: 962 [2024-10-24 20:09:56,550 INFO L226 Difference]: Without dead ends: 959 [2024-10-24 20:09:56,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:09:56,550 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 689 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:56,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 360 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 20:09:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-24 20:09:56,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-24 20:09:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6582597730138713) internal successors, (1315), 851 states have internal predecessors, (1315), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-24 20:09:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1457 transitions. [2024-10-24 20:09:56,582 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1457 transitions. Word has length 119 [2024-10-24 20:09:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:56,582 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1457 transitions. [2024-10-24 20:09:56,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-24 20:09:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1457 transitions. [2024-10-24 20:09:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 20:09:56,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:56,583 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:56,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-24 20:09:56,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-24 20:09:56,786 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:56,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 912873735, now seen corresponding path program 1 times [2024-10-24 20:09:56,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:56,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641372175] [2024-10-24 20:09:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:56,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:56,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740669400] [2024-10-24 20:09:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:56,803 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:56,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-24 20:09:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:56,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:09:56,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:09:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 20:09:57,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:09:58,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:09:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641372175] [2024-10-24 20:09:58,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:09:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740669400] [2024-10-24 20:09:58,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740669400] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:09:58,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:09:58,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:09:58,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336443612] [2024-10-24 20:09:58,209 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:09:58,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:09:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:09:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:09:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-24 20:09:58,210 INFO L87 Difference]: Start difference. First operand 925 states and 1457 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-24 20:09:59,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:09:59,499 INFO L93 Difference]: Finished difference Result 960 states and 1473 transitions. [2024-10-24 20:09:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:09:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-10-24 20:09:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:09:59,502 INFO L225 Difference]: With dead ends: 960 [2024-10-24 20:09:59,502 INFO L226 Difference]: Without dead ends: 959 [2024-10-24 20:09:59,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:09:59,502 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 634 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:09:59,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 405 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 20:09:59,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-24 20:09:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-24 20:09:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6557377049180328) internal successors, (1313), 851 states have internal predecessors, (1313), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-24 20:09:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1455 transitions. [2024-10-24 20:09:59,532 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1455 transitions. Word has length 120 [2024-10-24 20:09:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:09:59,532 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1455 transitions. [2024-10-24 20:09:59,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-24 20:09:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1455 transitions. [2024-10-24 20:09:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 20:09:59,533 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:09:59,533 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:09:59,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-24 20:09:59,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:59,733 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:09:59,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:09:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1765685201, now seen corresponding path program 1 times [2024-10-24 20:09:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:09:59,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917898386] [2024-10-24 20:09:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:09:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:09:59,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978091879] [2024-10-24 20:09:59,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:09:59,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:09:59,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:09:59,755 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:09:59,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-24 20:09:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:09:59,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:09:59,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 20:10:00,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:00,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917898386] [2024-10-24 20:10:00,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978091879] [2024-10-24 20:10:00,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978091879] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:00,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:00,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:10:00,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854120154] [2024-10-24 20:10:00,130 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:00,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:10:00,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:00,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:10:00,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:10:00,131 INFO L87 Difference]: Start difference. First operand 925 states and 1455 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:00,503 INFO L93 Difference]: Finished difference Result 1069 states and 1661 transitions. [2024-10-24 20:10:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:10:00,503 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 121 [2024-10-24 20:10:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:00,506 INFO L225 Difference]: With dead ends: 1069 [2024-10-24 20:10:00,506 INFO L226 Difference]: Without dead ends: 1067 [2024-10-24 20:10:00,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:10:00,508 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 330 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:00,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 449 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:10:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-24 20:10:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1028. [2024-10-24 20:10:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 887 states have (on average 1.6719278466741827) internal successors, (1483), 945 states have internal predecessors, (1483), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1643 transitions. [2024-10-24 20:10:00,541 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1643 transitions. Word has length 121 [2024-10-24 20:10:00,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:00,541 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1643 transitions. [2024-10-24 20:10:00,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1643 transitions. [2024-10-24 20:10:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 20:10:00,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:00,552 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:00,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:00,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:00,753 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:00,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1098333705, now seen corresponding path program 1 times [2024-10-24 20:10:00,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:00,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952639633] [2024-10-24 20:10:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125205594] [2024-10-24 20:10:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:00,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:00,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:00,770 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:00,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-24 20:10:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:00,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:10:00,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 20:10:01,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:01,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:01,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952639633] [2024-10-24 20:10:01,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:01,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125205594] [2024-10-24 20:10:01,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125205594] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:01,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:01,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-24 20:10:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865256666] [2024-10-24 20:10:01,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:01,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:10:01,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:10:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:10:01,609 INFO L87 Difference]: Start difference. First operand 1028 states and 1643 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:02,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:02,239 INFO L93 Difference]: Finished difference Result 1069 states and 1656 transitions. [2024-10-24 20:10:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:10:02,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-10-24 20:10:02,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:02,243 INFO L225 Difference]: With dead ends: 1069 [2024-10-24 20:10:02,244 INFO L226 Difference]: Without dead ends: 1067 [2024-10-24 20:10:02,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:10:02,246 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 255 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:02,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 576 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:10:02,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-24 20:10:02,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1029. [2024-10-24 20:10:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6666666666666667) internal successors, (1480), 946 states have internal predecessors, (1480), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1640 transitions. [2024-10-24 20:10:02,294 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1640 transitions. Word has length 122 [2024-10-24 20:10:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:02,294 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1640 transitions. [2024-10-24 20:10:02,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1640 transitions. [2024-10-24 20:10:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 20:10:02,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:02,295 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:02,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:02,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:02,499 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:02,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash -311393423, now seen corresponding path program 1 times [2024-10-24 20:10:02,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755258500] [2024-10-24 20:10:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:02,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:02,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089867493] [2024-10-24 20:10:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:02,513 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:02,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-24 20:10:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:02,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:10:02,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-24 20:10:02,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:03,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:03,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755258500] [2024-10-24 20:10:03,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:03,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089867493] [2024-10-24 20:10:03,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089867493] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:03,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:03,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-24 20:10:03,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392219695] [2024-10-24 20:10:03,303 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:03,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:10:03,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:03,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:10:03,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:10:03,304 INFO L87 Difference]: Start difference. First operand 1029 states and 1640 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:04,432 INFO L93 Difference]: Finished difference Result 1056 states and 1656 transitions. [2024-10-24 20:10:04,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:10:04,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-10-24 20:10:04,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:04,435 INFO L225 Difference]: With dead ends: 1056 [2024-10-24 20:10:04,435 INFO L226 Difference]: Without dead ends: 1055 [2024-10-24 20:10:04,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:10:04,435 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 409 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:04,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 490 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 20:10:04,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-24 20:10:04,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1029. [2024-10-24 20:10:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6644144144144144) internal successors, (1478), 946 states have internal predecessors, (1478), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1638 transitions. [2024-10-24 20:10:04,469 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1638 transitions. Word has length 123 [2024-10-24 20:10:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:04,469 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1638 transitions. [2024-10-24 20:10:04,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1638 transitions. [2024-10-24 20:10:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 20:10:04,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:04,470 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:04,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-24 20:10:04,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-24 20:10:04,671 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:04,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:04,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1063261429, now seen corresponding path program 1 times [2024-10-24 20:10:04,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:04,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84085694] [2024-10-24 20:10:04,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:04,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:04,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307445351] [2024-10-24 20:10:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:04,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:04,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:04,684 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:04,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-24 20:10:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:04,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:10:04,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-24 20:10:05,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84085694] [2024-10-24 20:10:06,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307445351] [2024-10-24 20:10:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307445351] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:06,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:10:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708128308] [2024-10-24 20:10:06,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:06,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:10:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:10:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-10-24 20:10:06,641 INFO L87 Difference]: Start difference. First operand 1029 states and 1638 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:07,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:07,746 INFO L93 Difference]: Finished difference Result 1070 states and 1649 transitions. [2024-10-24 20:10:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:10:07,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-10-24 20:10:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:07,750 INFO L225 Difference]: With dead ends: 1070 [2024-10-24 20:10:07,750 INFO L226 Difference]: Without dead ends: 1066 [2024-10-24 20:10:07,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=37, Invalid=94, Unknown=1, NotChecked=0, Total=132 [2024-10-24 20:10:07,751 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 235 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:07,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 595 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 20:10:07,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-10-24 20:10:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1032. [2024-10-24 20:10:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6588103254769921) internal successors, (1478), 949 states have internal predecessors, (1478), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1638 transitions. [2024-10-24 20:10:07,804 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1638 transitions. Word has length 124 [2024-10-24 20:10:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:07,805 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1638 transitions. [2024-10-24 20:10:07,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-24 20:10:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1638 transitions. [2024-10-24 20:10:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-24 20:10:07,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:07,806 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:07,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-24 20:10:08,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-24 20:10:08,007 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:08,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:08,007 INFO L85 PathProgramCache]: Analyzing trace with hash -545325671, now seen corresponding path program 1 times [2024-10-24 20:10:08,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:08,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553168131] [2024-10-24 20:10:08,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:08,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:08,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489235461] [2024-10-24 20:10:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:08,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:08,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:08,033 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:08,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-24 20:10:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:08,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:10:08,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-24 20:10:08,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:08,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:08,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553168131] [2024-10-24 20:10:08,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:08,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489235461] [2024-10-24 20:10:08,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489235461] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:08,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:08,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-24 20:10:08,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757873499] [2024-10-24 20:10:08,851 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:08,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:10:08,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:08,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:10:08,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:10:08,852 INFO L87 Difference]: Start difference. First operand 1032 states and 1638 transitions. Second operand has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:09,660 INFO L93 Difference]: Finished difference Result 1056 states and 1654 transitions. [2024-10-24 20:10:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:10:09,661 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 130 [2024-10-24 20:10:09,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:09,664 INFO L225 Difference]: With dead ends: 1056 [2024-10-24 20:10:09,664 INFO L226 Difference]: Without dead ends: 1054 [2024-10-24 20:10:09,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:10:09,675 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 664 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:09,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 461 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 20:10:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-24 20:10:09,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1032. [2024-10-24 20:10:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.654320987654321) internal successors, (1474), 949 states have internal predecessors, (1474), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1634 transitions. [2024-10-24 20:10:09,710 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1634 transitions. Word has length 130 [2024-10-24 20:10:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:09,710 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1634 transitions. [2024-10-24 20:10:09,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1634 transitions. [2024-10-24 20:10:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 20:10:09,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:09,711 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:09,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:09,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-24 20:10:09,916 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:09,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:09,916 INFO L85 PathProgramCache]: Analyzing trace with hash 274773480, now seen corresponding path program 1 times [2024-10-24 20:10:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:09,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723020468] [2024-10-24 20:10:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:09,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:09,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468746005] [2024-10-24 20:10:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:09,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:09,928 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:09,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-24 20:10:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:09,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:10:09,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-24 20:10:10,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:18,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723020468] [2024-10-24 20:10:18,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468746005] [2024-10-24 20:10:18,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468746005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:18,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:18,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:10:18,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119504665] [2024-10-24 20:10:18,317 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:18,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:10:18,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:18,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:10:18,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=95, Unknown=2, NotChecked=0, Total=132 [2024-10-24 20:10:18,318 INFO L87 Difference]: Start difference. First operand 1032 states and 1634 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 20:10:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:18,685 INFO L93 Difference]: Finished difference Result 1081 states and 1666 transitions. [2024-10-24 20:10:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:10:18,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 131 [2024-10-24 20:10:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:18,688 INFO L225 Difference]: With dead ends: 1081 [2024-10-24 20:10:18,688 INFO L226 Difference]: Without dead ends: 1078 [2024-10-24 20:10:18,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=45, Invalid=109, Unknown=2, NotChecked=0, Total=156 [2024-10-24 20:10:18,689 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 429 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:18,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 451 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:10:18,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-10-24 20:10:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1032. [2024-10-24 20:10:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6442199775533108) internal successors, (1465), 949 states have internal predecessors, (1465), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1625 transitions. [2024-10-24 20:10:18,723 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1625 transitions. Word has length 131 [2024-10-24 20:10:18,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:18,724 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1625 transitions. [2024-10-24 20:10:18,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 20:10:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1625 transitions. [2024-10-24 20:10:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-24 20:10:18,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:18,724 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:18,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:18,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-24 20:10:18,925 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:18,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:18,926 INFO L85 PathProgramCache]: Analyzing trace with hash -71956613, now seen corresponding path program 1 times [2024-10-24 20:10:18,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:18,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695250566] [2024-10-24 20:10:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:18,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:18,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100039060] [2024-10-24 20:10:18,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:18,938 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:18,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-24 20:10:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:18,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:10:18,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-24 20:10:19,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:23,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:23,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695250566] [2024-10-24 20:10:23,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:23,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100039060] [2024-10-24 20:10:23,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100039060] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:23,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:23,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-24 20:10:23,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764987188] [2024-10-24 20:10:23,865 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:23,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:10:23,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:23,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:10:23,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-10-24 20:10:23,866 INFO L87 Difference]: Start difference. First operand 1032 states and 1625 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:25,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:25,661 INFO L93 Difference]: Finished difference Result 1064 states and 1655 transitions. [2024-10-24 20:10:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:10:25,662 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 132 [2024-10-24 20:10:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:25,664 INFO L225 Difference]: With dead ends: 1064 [2024-10-24 20:10:25,664 INFO L226 Difference]: Without dead ends: 1062 [2024-10-24 20:10:25,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-10-24 20:10:25,665 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 621 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:25,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 305 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 20:10:25,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-24 20:10:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-24 20:10:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6397306397306397) internal successors, (1461), 949 states have internal predecessors, (1461), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1621 transitions. [2024-10-24 20:10:25,701 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1621 transitions. Word has length 132 [2024-10-24 20:10:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:25,701 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1621 transitions. [2024-10-24 20:10:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1621 transitions. [2024-10-24 20:10:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-24 20:10:25,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:25,702 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:25,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:25,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:25,907 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:25,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:25,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2064312394, now seen corresponding path program 1 times [2024-10-24 20:10:25,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:25,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339312998] [2024-10-24 20:10:25,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:25,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803651913] [2024-10-24 20:10:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:25,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:25,919 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:25,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-24 20:10:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:25,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:10:25,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-24 20:10:26,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339312998] [2024-10-24 20:10:31,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803651913] [2024-10-24 20:10:31,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803651913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:31,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:31,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-24 20:10:31,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300968629] [2024-10-24 20:10:31,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:31,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:10:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:31,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:10:31,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-10-24 20:10:31,716 INFO L87 Difference]: Start difference. First operand 1032 states and 1621 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:32,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:32,822 INFO L93 Difference]: Finished difference Result 1064 states and 1651 transitions. [2024-10-24 20:10:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 20:10:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-10-24 20:10:32,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:32,825 INFO L225 Difference]: With dead ends: 1064 [2024-10-24 20:10:32,825 INFO L226 Difference]: Without dead ends: 1062 [2024-10-24 20:10:32,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-10-24 20:10:32,826 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 603 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:32,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 355 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 20:10:32,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-24 20:10:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-24 20:10:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6352413019079686) internal successors, (1457), 949 states have internal predecessors, (1457), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1617 transitions. [2024-10-24 20:10:32,863 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1617 transitions. Word has length 133 [2024-10-24 20:10:32,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:32,864 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1617 transitions. [2024-10-24 20:10:32,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1617 transitions. [2024-10-24 20:10:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-24 20:10:32,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:32,864 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:32,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-10-24 20:10:33,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-24 20:10:33,068 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:33,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash -430825123, now seen corresponding path program 1 times [2024-10-24 20:10:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516511660] [2024-10-24 20:10:33,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:33,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70801319] [2024-10-24 20:10:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:33,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:33,096 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:33,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-24 20:10:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:33,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-24 20:10:33,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-24 20:10:33,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:10:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:10:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516511660] [2024-10-24 20:10:34,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:10:34,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70801319] [2024-10-24 20:10:34,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70801319] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:10:34,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:10:34,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-24 20:10:34,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561297318] [2024-10-24 20:10:34,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:10:34,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:10:34,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:10:34,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:10:34,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:10:34,132 INFO L87 Difference]: Start difference. First operand 1032 states and 1617 transitions. Second operand has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:35,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:10:35,609 INFO L93 Difference]: Finished difference Result 1063 states and 1647 transitions. [2024-10-24 20:10:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:10:35,610 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2024-10-24 20:10:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:10:35,613 INFO L225 Difference]: With dead ends: 1063 [2024-10-24 20:10:35,613 INFO L226 Difference]: Without dead ends: 1062 [2024-10-24 20:10:35,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:10:35,614 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 468 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:10:35,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 350 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 20:10:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-24 20:10:35,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-24 20:10:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.632996632996633) internal successors, (1455), 949 states have internal predecessors, (1455), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-24 20:10:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1615 transitions. [2024-10-24 20:10:35,660 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1615 transitions. Word has length 134 [2024-10-24 20:10:35,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:10:35,660 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1615 transitions. [2024-10-24 20:10:35,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-24 20:10:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1615 transitions. [2024-10-24 20:10:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-24 20:10:35,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:10:35,661 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:10:35,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-10-24 20:10:35,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-24 20:10:35,862 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-24 20:10:35,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:10:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash -470676820, now seen corresponding path program 1 times [2024-10-24 20:10:35,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:10:35,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734114666] [2024-10-24 20:10:35,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:35,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:10:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:10:35,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386912492] [2024-10-24 20:10:35,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:10:35,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:10:35,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:10:35,885 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:10:35,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-24 20:10:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:10:35,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 20:10:35,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:10:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-24 20:10:36,830 INFO L311 TraceCheckSpWp]: Computing backward predicates...