./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.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 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:10:46,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:10:46,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:10:46,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:10:46,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:10:46,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:10:46,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:10:46,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:10:46,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:10:46,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:10:46,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:10:46,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:10:46,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:10:46,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:10:46,439 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:10:46,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:10:46,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:10:46,440 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:10:46,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:10:46,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:10:46,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:10:46,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:10:46,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:10:46,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:10:46,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:10:46,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:10:46,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:10:46,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:10:46,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:10:46,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:10:46,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:10:46,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:10:46,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:10:46,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:10:46,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:10:46,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:10:46,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:10:46,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:10:46,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:10:46,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:10:46,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:10:46,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:10:46,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:10:46,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:10:46,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb [2024-11-12 17:10:46,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:10:46,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:10:46,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:10:46,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:10:46,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:10:46,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2024-11-12 17:10:47,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:10:47,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:10:47,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2024-11-12 17:10:47,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4157e0d0/8cd8a110955141cf8ed1553f84f133b6/FLAG2c9364b15 [2024-11-12 17:10:48,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4157e0d0/8cd8a110955141cf8ed1553f84f133b6 [2024-11-12 17:10:48,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:10:48,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:10:48,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:10:48,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:10:48,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:10:48,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ff79ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48, skipping insertion in model container [2024-11-12 17:10:48,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:10:48,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:10:48,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:10:48,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:10:48,587 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:10:48,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48 WrapperNode [2024-11-12 17:10:48,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:10:48,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:10:48,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:10:48,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:10:48,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,623 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-11-12 17:10:48,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:10:48,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:10:48,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:10:48,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:10:48,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,646 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:10:48,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:10:48,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:10:48,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:10:48,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:10:48,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (1/1) ... [2024-11-12 17:10:48,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:10:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:48,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 17:10:48,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 17:10:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:10:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:10:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:10:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:10:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:10:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:10:48,816 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:10:48,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:10:49,524 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-12 17:10:49,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:10:49,540 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:10:49,540 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:10:49,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:10:49 BoogieIcfgContainer [2024-11-12 17:10:49,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:10:49,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:10:49,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:10:49,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:10:49,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:10:48" (1/3) ... [2024-11-12 17:10:49,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d67831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:10:49, skipping insertion in model container [2024-11-12 17:10:49,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:48" (2/3) ... [2024-11-12 17:10:49,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d67831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:10:49, skipping insertion in model container [2024-11-12 17:10:49,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:10:49" (3/3) ... [2024-11-12 17:10:49,546 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound20.c [2024-11-12 17:10:49,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:10:49,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-12 17:10:49,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:10:49,613 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;@423ac88b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:10:49,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-12 17:10:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 17:10:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-12 17:10:49,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:49,621 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-12 17:10:49,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:49,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:49,625 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-12 17:10:49,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:49,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639292350] [2024-11-12 17:10:49,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:10:49,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:49,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639292350] [2024-11-12 17:10:49,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639292350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:49,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:49,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:49,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080894682] [2024-11-12 17:10:49,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:49,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:49,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:49,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:49,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:49,798 INFO L87 Difference]: Start difference. First operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:49,879 INFO L93 Difference]: Finished difference Result 601 states and 646 transitions. [2024-11-12 17:10:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:49,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-12 17:10:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:49,888 INFO L225 Difference]: With dead ends: 601 [2024-11-12 17:10:49,888 INFO L226 Difference]: Without dead ends: 291 [2024-11-12 17:10:49,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:49,893 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 307 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:49,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 602 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:10:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-12 17:10:49,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-12 17:10:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 148 states have (on average 1.8986486486486487) internal successors, (281), 279 states have internal predecessors, (281), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:10:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 301 transitions. [2024-11-12 17:10:49,952 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 301 transitions. Word has length 4 [2024-11-12 17:10:49,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:49,953 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 301 transitions. [2024-11-12 17:10:49,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 301 transitions. [2024-11-12 17:10:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-12 17:10:49,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:49,955 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-12 17:10:49,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:10:49,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:49,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:49,956 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-12 17:10:49,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:49,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316461023] [2024-11-12 17:10:49,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:49,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:10:50,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:50,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316461023] [2024-11-12 17:10:50,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316461023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:50,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:50,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:50,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461756703] [2024-11-12 17:10:50,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:50,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:50,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:50,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:50,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:50,003 INFO L87 Difference]: Start difference. First operand 291 states and 301 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:50,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:50,058 INFO L93 Difference]: Finished difference Result 471 states and 485 transitions. [2024-11-12 17:10:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:10:50,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-12 17:10:50,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:50,060 INFO L225 Difference]: With dead ends: 471 [2024-11-12 17:10:50,060 INFO L226 Difference]: Without dead ends: 295 [2024-11-12 17:10:50,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:50,062 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 3 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:50,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 887 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:10:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-12 17:10:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-12 17:10:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 152 states have (on average 1.875) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:10:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-11-12 17:10:50,084 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 5 [2024-11-12 17:10:50,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:50,085 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-11-12 17:10:50,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-11-12 17:10:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:10:50,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:50,086 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:50,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:10:50,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:50,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-12 17:10:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:50,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201614151] [2024-11-12 17:10:50,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:50,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:10:50,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:50,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201614151] [2024-11-12 17:10:50,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201614151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:50,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:50,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:50,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400609566] [2024-11-12 17:10:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:50,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:50,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:50,142 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:50,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:50,273 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-11-12 17:10:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:50,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 17:10:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:50,275 INFO L225 Difference]: With dead ends: 563 [2024-11-12 17:10:50,277 INFO L226 Difference]: Without dead ends: 543 [2024-11-12 17:10:50,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:50,279 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 237 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:50,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 596 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:10:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-12 17:10:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-11-12 17:10:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 205 states have (on average 1.7853658536585366) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:10:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-11-12 17:10:50,304 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 7 [2024-11-12 17:10:50,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:50,304 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-11-12 17:10:50,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:10:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-11-12 17:10:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:10:50,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:50,305 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:50,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:10:50,306 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:50,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:50,306 INFO L85 PathProgramCache]: Analyzing trace with hash -133892695, now seen corresponding path program 1 times [2024-11-12 17:10:50,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:50,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113499783] [2024-11-12 17:10:50,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:10:50,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134783154] [2024-11-12 17:10:50,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:50,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:50,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:50,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:50,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:10:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:50,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:10:50,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:50,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:10:50,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:50,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113499783] [2024-11-12 17:10:50,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:10:50,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134783154] [2024-11-12 17:10:50,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134783154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:50,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:50,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:50,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579962236] [2024-11-12 17:10:50,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:50,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:50,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:50,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:50,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:50,545 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:51,021 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-11-12 17:10:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:51,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-11-12 17:10:51,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:51,024 INFO L225 Difference]: With dead ends: 513 [2024-11-12 17:10:51,024 INFO L226 Difference]: Without dead ends: 458 [2024-11-12 17:10:51,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:51,026 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 134 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:51,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 329 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:10:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-12 17:10:51,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-11-12 17:10:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.6456140350877193) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-11-12 17:10:51,049 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 40 [2024-11-12 17:10:51,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:51,049 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-11-12 17:10:51,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-11-12 17:10:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-12 17:10:51,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:51,051 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:51,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:10:51,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:51,256 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:51,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 178141835, now seen corresponding path program 1 times [2024-11-12 17:10:51,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596351895] [2024-11-12 17:10:51,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596351895] [2024-11-12 17:10:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596351895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:51,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:51,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:51,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934617668] [2024-11-12 17:10:51,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:51,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:51,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:51,373 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:51,889 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-11-12 17:10:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:51,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-12 17:10:51,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:51,891 INFO L225 Difference]: With dead ends: 471 [2024-11-12 17:10:51,892 INFO L226 Difference]: Without dead ends: 448 [2024-11-12 17:10:51,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:51,893 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:51,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 530 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:10:51,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-12 17:10:51,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-12 17:10:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5649122807017544) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-11-12 17:10:51,921 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 42 [2024-11-12 17:10:51,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:51,921 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-11-12 17:10:51,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-11-12 17:10:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:10:51,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:51,924 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:51,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:10:51,925 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:51,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash -604385427, now seen corresponding path program 1 times [2024-11-12 17:10:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:51,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105067419] [2024-11-12 17:10:51,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:52,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:52,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105067419] [2024-11-12 17:10:52,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105067419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:52,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:52,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:10:52,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500375009] [2024-11-12 17:10:52,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:52,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:52,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:52,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:52,012 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:52,868 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-11-12 17:10:52,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:52,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-12 17:10:52,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:52,875 INFO L225 Difference]: With dead ends: 450 [2024-11-12 17:10:52,875 INFO L226 Difference]: Without dead ends: 448 [2024-11-12 17:10:52,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:52,876 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:52,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 416 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:10:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-12 17:10:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-12 17:10:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5578947368421052) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-11-12 17:10:52,888 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 44 [2024-11-12 17:10:52,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:52,889 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-11-12 17:10:52,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-11-12 17:10:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:10:52,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:52,890 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:52,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:10:52,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:52,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:52,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1556078956, now seen corresponding path program 1 times [2024-11-12 17:10:52,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:52,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569596800] [2024-11-12 17:10:52,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:52,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:53,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:53,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569596800] [2024-11-12 17:10:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569596800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:53,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:10:53,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316942992] [2024-11-12 17:10:53,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:53,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:53,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:53,008 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:54,049 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-11-12 17:10:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:54,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-12 17:10:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:54,052 INFO L225 Difference]: With dead ends: 450 [2024-11-12 17:10:54,053 INFO L226 Difference]: Without dead ends: 448 [2024-11-12 17:10:54,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:54,054 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 255 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:54,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 393 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:10:54,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-12 17:10:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-12 17:10:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.550877192982456) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-11-12 17:10:54,068 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 45 [2024-11-12 17:10:54,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:54,068 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-11-12 17:10:54,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:54,069 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-11-12 17:10:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:10:54,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:54,069 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:54,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:10:54,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:54,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:54,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1566054095, now seen corresponding path program 1 times [2024-11-12 17:10:54,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:54,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14799893] [2024-11-12 17:10:54,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:54,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:10:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882143923] [2024-11-12 17:10:54,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:54,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:54,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:54,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:10:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:54,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:10:54,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:54,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:10:54,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14799893] [2024-11-12 17:10:54,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:10:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882143923] [2024-11-12 17:10:54,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882143923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:54,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:54,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:54,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001135794] [2024-11-12 17:10:54,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:54,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:54,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:54,317 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:54,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:54,767 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-11-12 17:10:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:54,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-12 17:10:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:54,769 INFO L225 Difference]: With dead ends: 455 [2024-11-12 17:10:54,769 INFO L226 Difference]: Without dead ends: 446 [2024-11-12 17:10:54,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:54,769 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 112 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:54,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 355 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:10:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-12 17:10:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-11-12 17:10:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5243055555555556) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-11-12 17:10:54,779 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 48 [2024-11-12 17:10:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:54,779 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-11-12 17:10:54,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-11-12 17:10:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 17:10:54,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:54,780 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:54,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:10:54,980 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,SelfDestructingSolverStorable7 [2024-11-12 17:10:54,981 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:54,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1303036584, now seen corresponding path program 1 times [2024-11-12 17:10:54,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:54,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471351491] [2024-11-12 17:10:54,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:54,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:55,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:55,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471351491] [2024-11-12 17:10:55,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471351491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:55,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:55,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:10:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708510891] [2024-11-12 17:10:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:55,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:55,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:55,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:55,059 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:55,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:55,658 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-11-12 17:10:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:55,659 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-12 17:10:55,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:55,660 INFO L225 Difference]: With dead ends: 454 [2024-11-12 17:10:55,660 INFO L226 Difference]: Without dead ends: 448 [2024-11-12 17:10:55,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:55,661 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 136 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:55,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 486 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:10:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-12 17:10:55,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-11-12 17:10:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5034722222222223) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:10:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-11-12 17:10:55,669 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 49 [2024-11-12 17:10:55,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:55,670 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-11-12 17:10:55,670 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-11-12 17:10:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-12 17:10:55,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:55,671 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:10:55,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:10:55,671 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:55,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:55,671 INFO L85 PathProgramCache]: Analyzing trace with hash -528933860, now seen corresponding path program 1 times [2024-11-12 17:10:55,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:55,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693293116] [2024-11-12 17:10:55,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:10:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:55,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693293116] [2024-11-12 17:10:55,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693293116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:55,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:55,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:10:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357689625] [2024-11-12 17:10:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:55,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:55,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:55,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:55,767 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:56,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:56,286 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-11-12 17:10:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:56,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-12 17:10:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:56,288 INFO L225 Difference]: With dead ends: 452 [2024-11-12 17:10:56,288 INFO L226 Difference]: Without dead ends: 379 [2024-11-12 17:10:56,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:10:56,289 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 119 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:56,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:10:56,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-12 17:10:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-11-12 17:10:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 225 states have (on average 1.6177777777777778) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:10:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-11-12 17:10:56,299 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 53 [2024-11-12 17:10:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:56,300 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-11-12 17:10:56,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:10:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-11-12 17:10:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 17:10:56,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:56,301 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:56,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:10:56,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:56,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:56,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1162037022, now seen corresponding path program 1 times [2024-11-12 17:10:56,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:56,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344477225] [2024-11-12 17:10:56,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:56,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:56,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:56,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344477225] [2024-11-12 17:10:56,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344477225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:56,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:56,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:56,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003156408] [2024-11-12 17:10:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:56,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:56,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:56,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:56,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:56,377 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:56,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:56,655 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-11-12 17:10:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:56,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-11-12 17:10:56,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:56,657 INFO L225 Difference]: With dead ends: 375 [2024-11-12 17:10:56,657 INFO L226 Difference]: Without dead ends: 368 [2024-11-12 17:10:56,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:56,657 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:56,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 158 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:10:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-12 17:10:56,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-12 17:10:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:10:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-11-12 17:10:56,665 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 85 [2024-11-12 17:10:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:56,665 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-11-12 17:10:56,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-11-12 17:10:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:10:56,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:56,666 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:56,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 17:10:56,666 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:56,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:56,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1663409478, now seen corresponding path program 1 times [2024-11-12 17:10:56,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:56,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795813507] [2024-11-12 17:10:56,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:56,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:56,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:56,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795813507] [2024-11-12 17:10:56,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795813507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:56,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:56,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:56,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377707472] [2024-11-12 17:10:56,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:56,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:56,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:56,713 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:57,023 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-11-12 17:10:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:57,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-12 17:10:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:57,024 INFO L225 Difference]: With dead ends: 375 [2024-11-12 17:10:57,024 INFO L226 Difference]: Without dead ends: 374 [2024-11-12 17:10:57,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:57,025 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 24 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:57,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 401 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:10:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-12 17:10:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-12 17:10:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 227 states have (on average 1.5814977973568283) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:10:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-11-12 17:10:57,032 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 86 [2024-11-12 17:10:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:57,033 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-11-12 17:10:57,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-11-12 17:10:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-12 17:10:57,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:57,034 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:57,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 17:10:57,034 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1018158765, now seen corresponding path program 1 times [2024-11-12 17:10:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:57,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135048605] [2024-11-12 17:10:57,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 17:10:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:10:57,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:57,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135048605] [2024-11-12 17:10:57,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135048605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:57,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:57,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:57,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793329926] [2024-11-12 17:10:57,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:57,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:57,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:57,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:57,105 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-12 17:10:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:57,326 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-11-12 17:10:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 88 [2024-11-12 17:10:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:57,329 INFO L225 Difference]: With dead ends: 370 [2024-11-12 17:10:57,329 INFO L226 Difference]: Without dead ends: 368 [2024-11-12 17:10:57,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:57,333 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 194 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:57,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 266 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:10:57,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-12 17:10:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-12 17:10:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.5638766519823788) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:10:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-11-12 17:10:57,341 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 88 [2024-11-12 17:10:57,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:57,341 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-11-12 17:10:57,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-12 17:10:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-11-12 17:10:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 17:10:57,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:57,342 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:57,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:10:57,342 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:57,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:57,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1498150823, now seen corresponding path program 1 times [2024-11-12 17:10:57,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:57,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801395689] [2024-11-12 17:10:57,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:57,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 17:10:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:10:57,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:57,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801395689] [2024-11-12 17:10:57,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801395689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:57,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:57,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:10:57,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316254293] [2024-11-12 17:10:57,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:57,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:10:57,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:57,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:10:57,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:57,404 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:10:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:57,559 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-11-12 17:10:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:57,560 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), 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 89 [2024-11-12 17:10:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:57,561 INFO L225 Difference]: With dead ends: 372 [2024-11-12 17:10:57,561 INFO L226 Difference]: Without dead ends: 368 [2024-11-12 17:10:57,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:57,562 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:57,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 761 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:10:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-12 17:10:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-12 17:10:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 225 states have (on average 1.56) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 17:10:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-11-12 17:10:57,570 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 89 [2024-11-12 17:10:57,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:57,570 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-11-12 17:10:57,571 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:10:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-11-12 17:10:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 17:10:57,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:57,571 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:57,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 17:10:57,572 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:57,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:57,572 INFO L85 PathProgramCache]: Analyzing trace with hash -700865343, now seen corresponding path program 1 times [2024-11-12 17:10:57,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:57,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183319083] [2024-11-12 17:10:57,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:57,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:57,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183319083] [2024-11-12 17:10:57,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183319083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:10:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7488890] [2024-11-12 17:10:57,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:57,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:57,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:57,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:57,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:10:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:57,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:10:57,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:57,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:10:57,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7488890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:57,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:10:57,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-12 17:10:57,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442165904] [2024-11-12 17:10:57,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:57,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:10:57,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:57,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:10:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:10:57,830 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:57,899 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2024-11-12 17:10:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:10:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-12 17:10:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:57,901 INFO L225 Difference]: With dead ends: 535 [2024-11-12 17:10:57,901 INFO L226 Difference]: Without dead ends: 534 [2024-11-12 17:10:57,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:10:57,902 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:57,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:10:57,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-12 17:10:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2024-11-12 17:10:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 296 states have (on average 1.6283783783783783) internal successors, (482), 418 states have internal predecessors, (482), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 17:10:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2024-11-12 17:10:57,911 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2024-11-12 17:10:57,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:57,912 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2024-11-12 17:10:57,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2024-11-12 17:10:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-12 17:10:57,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:57,912 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-12 17:10:57,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:10:58,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:58,113 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:58,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:58,114 INFO L85 PathProgramCache]: Analyzing trace with hash 778272323, now seen corresponding path program 1 times [2024-11-12 17:10:58,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:58,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370014416] [2024-11-12 17:10:58,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:58,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:58,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:58,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370014416] [2024-11-12 17:10:58,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370014416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:10:58,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394650195] [2024-11-12 17:10:58,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:58,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:58,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:58,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:10:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:10:58,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:58,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:10:58,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394650195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:58,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:10:58,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:10:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600283131] [2024-11-12 17:10:58,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:58,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:10:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:10:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:58,288 INFO L87 Difference]: Start difference. First operand 442 states and 526 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:58,391 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2024-11-12 17:10:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:10:58,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2024-11-12 17:10:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:58,394 INFO L225 Difference]: With dead ends: 444 [2024-11-12 17:10:58,395 INFO L226 Difference]: Without dead ends: 436 [2024-11-12 17:10:58,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:10:58,396 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:58,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:10:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-12 17:10:58,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2024-11-12 17:10:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 296 states have (on average 1.5945945945945945) internal successors, (472), 410 states have internal predecessors, (472), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 17:10:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2024-11-12 17:10:58,406 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2024-11-12 17:10:58,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:58,406 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2024-11-12 17:10:58,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:10:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2024-11-12 17:10:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-12 17:10:58,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:58,407 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-12 17:10:58,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-12 17:10:58,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:10:58,608 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:58,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:58,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1643361713, now seen corresponding path program 1 times [2024-11-12 17:10:58,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:58,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920910016] [2024-11-12 17:10:58,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:58,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:58,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:58,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920910016] [2024-11-12 17:10:58,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920910016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:10:58,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214650995] [2024-11-12 17:10:58,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:58,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:58,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:58,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:10:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:58,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:10:58,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:58,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:10:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:58,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214650995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:10:58,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:10:58,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:10:58,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448860930] [2024-11-12 17:10:58,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:10:58,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:10:58,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:58,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:10:58,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:10:58,868 INFO L87 Difference]: Start difference. First operand 434 states and 516 transitions. Second operand has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:10:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:59,040 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2024-11-12 17:10:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:10:59,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2024-11-12 17:10:59,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:59,044 INFO L225 Difference]: With dead ends: 779 [2024-11-12 17:10:59,044 INFO L226 Difference]: Without dead ends: 771 [2024-11-12 17:10:59,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:10:59,045 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 1031 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:59,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 734 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:10:59,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-12 17:10:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2024-11-12 17:10:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 367 states have (on average 1.561307901907357) internal successors, (573), 476 states have internal predecessors, (573), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:10:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2024-11-12 17:10:59,058 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2024-11-12 17:10:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:59,058 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2024-11-12 17:10:59,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:10:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2024-11-12 17:10:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 17:10:59,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:59,060 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:59,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:10:59,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:10:59,261 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:59,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:59,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1996328184, now seen corresponding path program 1 times [2024-11-12 17:10:59,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:59,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662123941] [2024-11-12 17:10:59,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:10:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-12 17:10:59,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:59,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662123941] [2024-11-12 17:10:59,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662123941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:10:59,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:10:59,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:10:59,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6235388] [2024-11-12 17:10:59,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:59,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:10:59,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:59,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:10:59,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:59,326 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-12 17:10:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:59,406 INFO L93 Difference]: Finished difference Result 505 states and 627 transitions. [2024-11-12 17:10:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:10:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 101 [2024-11-12 17:10:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:59,409 INFO L225 Difference]: With dead ends: 505 [2024-11-12 17:10:59,409 INFO L226 Difference]: Without dead ends: 503 [2024-11-12 17:10:59,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:10:59,409 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 170 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:59,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 252 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:10:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-12 17:10:59,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-12 17:10:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 367 states have (on average 1.550408719346049) internal successors, (569), 474 states have internal predecessors, (569), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 17:10:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 623 transitions. [2024-11-12 17:10:59,421 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 623 transitions. Word has length 101 [2024-11-12 17:10:59,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:59,421 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 623 transitions. [2024-11-12 17:10:59,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-12 17:10:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 623 transitions. [2024-11-12 17:10:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 17:10:59,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:59,422 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:10:59,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 17:10:59,422 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:10:59,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:10:59,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1756631742, now seen corresponding path program 1 times [2024-11-12 17:10:59,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:10:59,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655047136] [2024-11-12 17:10:59,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:59,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:10:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:10:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:10:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:10:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:10:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:10:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:10:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:10:59,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655047136] [2024-11-12 17:10:59,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655047136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:10:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984301469] [2024-11-12 17:10:59,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:10:59,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:10:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:10:59,511 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:10:59,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:10:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:10:59,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:10:59,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:10:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:10:59,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:10:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:10:59,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984301469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:10:59,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:10:59,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-12 17:10:59,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636034782] [2024-11-12 17:10:59,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:10:59,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:10:59,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:59,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:10:59,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:10:59,724 INFO L87 Difference]: Start difference. First operand 503 states and 623 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 17:10:59,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:10:59,921 INFO L93 Difference]: Finished difference Result 1128 states and 1227 transitions. [2024-11-12 17:10:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:10:59,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 102 [2024-11-12 17:10:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:10:59,924 INFO L225 Difference]: With dead ends: 1128 [2024-11-12 17:10:59,924 INFO L226 Difference]: Without dead ends: 960 [2024-11-12 17:10:59,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:10:59,926 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 747 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:10:59,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1823 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:10:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-12 17:10:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 717. [2024-11-12 17:10:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 563 states have (on average 1.6145648312611012) internal successors, (909), 672 states have internal predecessors, (909), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 17:10:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions. [2024-11-12 17:10:59,946 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 102 [2024-11-12 17:10:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:10:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions. [2024-11-12 17:10:59,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 17:10:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions. [2024-11-12 17:10:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-12 17:10:59,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:10:59,947 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-12 17:10:59,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:11:00,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:00,152 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:00,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1885573092, now seen corresponding path program 1 times [2024-11-12 17:11:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652852913] [2024-11-12 17:11:00,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:00,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507399247] [2024-11-12 17:11:00,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:00,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:00,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:00,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:00,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:11:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:00,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:11:00,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:11:00,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:11:00,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652852913] [2024-11-12 17:11:00,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507399247] [2024-11-12 17:11:00,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507399247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:00,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:00,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-12 17:11:00,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501139758] [2024-11-12 17:11:00,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:00,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:11:00,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:00,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:11:00,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:11:00,421 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:11:00,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:00,612 INFO L93 Difference]: Finished difference Result 922 states and 1053 transitions. [2024-11-12 17:11:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:11:00,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-11-12 17:11:00,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:00,615 INFO L225 Difference]: With dead ends: 922 [2024-11-12 17:11:00,615 INFO L226 Difference]: Without dead ends: 916 [2024-11-12 17:11:00,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:11:00,616 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 859 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:00,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 967 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:11:00,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-11-12 17:11:00,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 712. [2024-11-12 17:11:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 563 states have (on average 1.5914742451154529) internal successors, (896), 667 states have internal predecessors, (896), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 17:11:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 980 transitions. [2024-11-12 17:11:00,638 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 980 transitions. Word has length 103 [2024-11-12 17:11:00,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:00,638 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 980 transitions. [2024-11-12 17:11:00,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:11:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 980 transitions. [2024-11-12 17:11:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 17:11:00,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:00,640 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:00,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:00,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:00,841 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:00,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1519996851, now seen corresponding path program 1 times [2024-11-12 17:11:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359524007] [2024-11-12 17:11:00,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:00,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682266099] [2024-11-12 17:11:00,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:00,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:00,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:00,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:11:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:00,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:11:00,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:11:00,988 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:11:00,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:00,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359524007] [2024-11-12 17:11:00,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:00,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682266099] [2024-11-12 17:11:00,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682266099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:11:00,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:11:00,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:11:00,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317661878] [2024-11-12 17:11:00,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:11:00,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:11:00,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:00,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:11:00,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:11:00,989 INFO L87 Difference]: Start difference. First operand 712 states and 980 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-12 17:11:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:01,414 INFO L93 Difference]: Finished difference Result 713 states and 980 transitions. [2024-11-12 17:11:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:11:01,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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 105 [2024-11-12 17:11:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:01,417 INFO L225 Difference]: With dead ends: 713 [2024-11-12 17:11:01,418 INFO L226 Difference]: Without dead ends: 712 [2024-11-12 17:11:01,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:11:01,418 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:01,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:11:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-12 17:11:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-12 17:11:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 563 states have (on average 1.5896980461811723) internal successors, (895), 667 states have internal predecessors, (895), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-12 17:11:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 979 transitions. [2024-11-12 17:11:01,452 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 979 transitions. Word has length 105 [2024-11-12 17:11:01,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:01,453 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 979 transitions. [2024-11-12 17:11:01,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-12 17:11:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 979 transitions. [2024-11-12 17:11:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:11:01,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:01,454 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:01,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:11:01,657 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,SelfDestructingSolverStorable20 [2024-11-12 17:11:01,658 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:01,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:01,658 INFO L85 PathProgramCache]: Analyzing trace with hash -124737670, now seen corresponding path program 1 times [2024-11-12 17:11:01,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:01,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111220510] [2024-11-12 17:11:01,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:01,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569051412] [2024-11-12 17:11:01,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:01,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:01,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:01,672 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:01,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:11:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:01,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:11:01,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:11:01,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:11:01,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:01,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111220510] [2024-11-12 17:11:01,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:01,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569051412] [2024-11-12 17:11:01,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569051412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:11:01,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:11:01,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:11:01,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135624674] [2024-11-12 17:11:01,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:11:01,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:11:01,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:01,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:11:01,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:11:01,887 INFO L87 Difference]: Start difference. First operand 712 states and 979 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-12 17:11:02,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:02,390 INFO L93 Difference]: Finished difference Result 713 states and 979 transitions. [2024-11-12 17:11:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:11:02,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 106 [2024-11-12 17:11:02,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:02,393 INFO L225 Difference]: With dead ends: 713 [2024-11-12 17:11:02,393 INFO L226 Difference]: Without dead ends: 692 [2024-11-12 17:11:02,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:11:02,394 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:02,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-12 17:11:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-12 17:11:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 545 states have (on average 1.6073394495412845) internal successors, (876), 649 states have internal predecessors, (876), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:11:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 956 transitions. [2024-11-12 17:11:02,412 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 956 transitions. Word has length 106 [2024-11-12 17:11:02,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:02,412 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 956 transitions. [2024-11-12 17:11:02,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-12 17:11:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 956 transitions. [2024-11-12 17:11:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 17:11:02,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:02,413 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:02,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:02,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:02,614 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:02,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:02,614 INFO L85 PathProgramCache]: Analyzing trace with hash 263146541, now seen corresponding path program 1 times [2024-11-12 17:11:02,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:02,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528234050] [2024-11-12 17:11:02,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:02,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986894939] [2024-11-12 17:11:02,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:02,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:02,650 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:02,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:11:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:02,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:11:02,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:02,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:11:02,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:02,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528234050] [2024-11-12 17:11:02,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:02,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986894939] [2024-11-12 17:11:02,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986894939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:11:02,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:11:02,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:11:02,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328617085] [2024-11-12 17:11:02,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:11:02,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:11:02,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:02,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:11:02,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:11:02,894 INFO L87 Difference]: Start difference. First operand 692 states and 956 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:11:03,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:03,571 INFO L93 Difference]: Finished difference Result 692 states and 956 transitions. [2024-11-12 17:11:03,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:11:03,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-11-12 17:11:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:03,575 INFO L225 Difference]: With dead ends: 692 [2024-11-12 17:11:03,575 INFO L226 Difference]: Without dead ends: 682 [2024-11-12 17:11:03,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:11:03,576 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:03,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 295 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:11:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-12 17:11:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2024-11-12 17:11:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 545 states have (on average 1.5522935779816514) internal successors, (846), 639 states have internal predecessors, (846), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:11:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 926 transitions. [2024-11-12 17:11:03,594 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 926 transitions. Word has length 124 [2024-11-12 17:11:03,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:03,594 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 926 transitions. [2024-11-12 17:11:03,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:11:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 926 transitions. [2024-11-12 17:11:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-12 17:11:03,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:03,596 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:03,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:11:03,796 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,SelfDestructingSolverStorable22 [2024-11-12 17:11:03,796 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash -432391732, now seen corresponding path program 1 times [2024-11-12 17:11:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:03,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718191498] [2024-11-12 17:11:03,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:03,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:03,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562136627] [2024-11-12 17:11:03,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:03,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:03,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:03,810 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:03,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:11:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:03,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:11:03,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:04,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:05,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718191498] [2024-11-12 17:11:05,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562136627] [2024-11-12 17:11:05,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562136627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:05,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:05,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:11:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255144437] [2024-11-12 17:11:05,134 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:05,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:11:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:05,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:11:05,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:05,135 INFO L87 Difference]: Start difference. First operand 682 states and 926 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:11:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:05,728 INFO L93 Difference]: Finished difference Result 733 states and 954 transitions. [2024-11-12 17:11:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:11:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 125 [2024-11-12 17:11:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:05,730 INFO L225 Difference]: With dead ends: 733 [2024-11-12 17:11:05,730 INFO L226 Difference]: Without dead ends: 710 [2024-11-12 17:11:05,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:05,731 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 129 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:05,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 370 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:11:05,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-12 17:11:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 694. [2024-11-12 17:11:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 557 states have (on average 1.5152603231597845) internal successors, (844), 650 states have internal predecessors, (844), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:11:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 924 transitions. [2024-11-12 17:11:05,748 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 924 transitions. Word has length 125 [2024-11-12 17:11:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:05,748 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 924 transitions. [2024-11-12 17:11:05,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:11:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 924 transitions. [2024-11-12 17:11:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-12 17:11:05,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:05,749 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:05,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:11:05,953 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,SelfDestructingSolverStorable23 [2024-11-12 17:11:05,954 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:05,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:05,954 INFO L85 PathProgramCache]: Analyzing trace with hash -519241713, now seen corresponding path program 1 times [2024-11-12 17:11:05,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:05,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671262388] [2024-11-12 17:11:05,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:06,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:06,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671262388] [2024-11-12 17:11:06,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671262388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:06,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506157321] [2024-11-12 17:11:06,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:06,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:06,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:06,064 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:06,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:11:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:06,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:11:06,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:06,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:06,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506157321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:06,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:11:06,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-12 17:11:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086471469] [2024-11-12 17:11:06,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:06,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:11:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:11:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:06,376 INFO L87 Difference]: Start difference. First operand 694 states and 924 transitions. Second operand has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-12 17:11:06,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:06,888 INFO L93 Difference]: Finished difference Result 734 states and 931 transitions. [2024-11-12 17:11:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:11:06,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-11-12 17:11:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:06,891 INFO L225 Difference]: With dead ends: 734 [2024-11-12 17:11:06,891 INFO L226 Difference]: Without dead ends: 729 [2024-11-12 17:11:06,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:11:06,891 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 464 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:06,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 600 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-12 17:11:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 693. [2024-11-12 17:11:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 557 states have (on average 1.4937163375224416) internal successors, (832), 649 states have internal predecessors, (832), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:11:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 912 transitions. [2024-11-12 17:11:06,905 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 912 transitions. Word has length 126 [2024-11-12 17:11:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:06,906 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 912 transitions. [2024-11-12 17:11:06,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-12 17:11:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 912 transitions. [2024-11-12 17:11:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-12 17:11:06,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:06,907 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:06,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:11:07,107 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,SelfDestructingSolverStorable24 [2024-11-12 17:11:07,108 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:07,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1083376174, now seen corresponding path program 1 times [2024-11-12 17:11:07,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:07,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666092625] [2024-11-12 17:11:07,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:07,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:07,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:07,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666092625] [2024-11-12 17:11:07,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666092625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:07,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687927939] [2024-11-12 17:11:07,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:07,206 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:07,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:11:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:07,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:11:07,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:07,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:07,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687927939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:07,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:11:07,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-12 17:11:07,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978475404] [2024-11-12 17:11:07,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:07,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:11:07,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:11:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:07,490 INFO L87 Difference]: Start difference. First operand 693 states and 912 transitions. Second operand has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-12 17:11:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:08,284 INFO L93 Difference]: Finished difference Result 733 states and 919 transitions. [2024-11-12 17:11:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:11:08,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2024-11-12 17:11:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:08,288 INFO L225 Difference]: With dead ends: 733 [2024-11-12 17:11:08,288 INFO L226 Difference]: Without dead ends: 728 [2024-11-12 17:11:08,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:11:08,288 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 330 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:08,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 552 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:11:08,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-12 17:11:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 692. [2024-11-12 17:11:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 557 states have (on average 1.4721723518850987) internal successors, (820), 648 states have internal predecessors, (820), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:11:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 900 transitions. [2024-11-12 17:11:08,314 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 900 transitions. Word has length 127 [2024-11-12 17:11:08,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:08,314 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 900 transitions. [2024-11-12 17:11:08,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-12 17:11:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 900 transitions. [2024-11-12 17:11:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-12 17:11:08,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:08,315 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:11:08,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:11:08,516 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,SelfDestructingSolverStorable25 [2024-11-12 17:11:08,516 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:08,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:08,516 INFO L85 PathProgramCache]: Analyzing trace with hash -775076879, now seen corresponding path program 1 times [2024-11-12 17:11:08,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:08,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181904651] [2024-11-12 17:11:08,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:08,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:08,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097814632] [2024-11-12 17:11:08,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:08,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:08,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:08,530 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:08,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:11:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:08,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:11:08,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:08,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:11:09,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:09,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181904651] [2024-11-12 17:11:09,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:09,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097814632] [2024-11-12 17:11:09,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097814632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:09,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:09,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:11:09,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093064130] [2024-11-12 17:11:09,131 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:09,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:11:09,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:09,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:11:09,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:11:09,132 INFO L87 Difference]: Start difference. First operand 692 states and 900 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-12 17:11:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:15,882 INFO L93 Difference]: Finished difference Result 753 states and 932 transitions. [2024-11-12 17:11:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:11:15,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2024-11-12 17:11:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:15,884 INFO L225 Difference]: With dead ends: 753 [2024-11-12 17:11:15,884 INFO L226 Difference]: Without dead ends: 658 [2024-11-12 17:11:15,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:11:15,885 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 398 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:15,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 488 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-12 17:11:15,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-12 17:11:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 639. [2024-11-12 17:11:15,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 509 states have (on average 1.4381139489194499) internal successors, (732), 598 states have internal predecessors, (732), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 806 transitions. [2024-11-12 17:11:15,902 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 806 transitions. Word has length 128 [2024-11-12 17:11:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:15,903 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 806 transitions. [2024-11-12 17:11:15,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-12 17:11:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 806 transitions. [2024-11-12 17:11:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 17:11:15,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:15,904 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-12 17:11:15,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:11:16,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:16,108 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:16,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1025846474, now seen corresponding path program 1 times [2024-11-12 17:11:16,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467351188] [2024-11-12 17:11:16,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:11:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 17:11:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-12 17:11:16,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:16,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467351188] [2024-11-12 17:11:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467351188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:11:16,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:11:16,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:11:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366943106] [2024-11-12 17:11:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:11:16,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:11:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:16,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:11:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:11:16,181 INFO L87 Difference]: Start difference. First operand 639 states and 806 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-12 17:11:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:16,744 INFO L93 Difference]: Finished difference Result 643 states and 806 transitions. [2024-11-12 17:11:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:11:16,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 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 170 [2024-11-12 17:11:16,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:16,747 INFO L225 Difference]: With dead ends: 643 [2024-11-12 17:11:16,747 INFO L226 Difference]: Without dead ends: 640 [2024-11-12 17:11:16,747 INFO L434 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 [2024-11-12 17:11:16,747 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 132 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:16,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 188 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-12 17:11:16,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 637. [2024-11-12 17:11:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4263261296660117) internal successors, (726), 596 states have internal predecessors, (726), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 800 transitions. [2024-11-12 17:11:16,762 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 800 transitions. Word has length 170 [2024-11-12 17:11:16,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:16,762 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 800 transitions. [2024-11-12 17:11:16,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-12 17:11:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 800 transitions. [2024-11-12 17:11:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 17:11:16,763 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:16,763 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:16,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 17:11:16,763 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:16,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:16,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2031561587, now seen corresponding path program 1 times [2024-11-12 17:11:16,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:16,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125778817] [2024-11-12 17:11:16,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:16,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879755961] [2024-11-12 17:11:16,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:16,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:16,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:16,779 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:16,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:11:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:16,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:11:16,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:11:17,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:18,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:18,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125778817] [2024-11-12 17:11:18,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:18,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879755961] [2024-11-12 17:11:18,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879755961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:18,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:11:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961697277] [2024-11-12 17:11:18,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:18,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:11:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:11:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:18,051 INFO L87 Difference]: Start difference. First operand 637 states and 800 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 17:11:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:18,735 INFO L93 Difference]: Finished difference Result 638 states and 800 transitions. [2024-11-12 17:11:18,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:11:18,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2024-11-12 17:11:18,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:18,737 INFO L225 Difference]: With dead ends: 638 [2024-11-12 17:11:18,737 INFO L226 Difference]: Without dead ends: 637 [2024-11-12 17:11:18,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:11:18,737 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 32 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:18,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 466 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:11:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-12 17:11:18,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-12 17:11:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.424361493123772) internal successors, (725), 596 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 799 transitions. [2024-11-12 17:11:18,754 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 799 transitions. Word has length 174 [2024-11-12 17:11:18,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:18,754 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 799 transitions. [2024-11-12 17:11:18,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 17:11:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 799 transitions. [2024-11-12 17:11:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 17:11:18,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:18,755 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:18,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:11:18,957 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,SelfDestructingSolverStorable28 [2024-11-12 17:11:18,958 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:18,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1446100059, now seen corresponding path program 1 times [2024-11-12 17:11:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813955399] [2024-11-12 17:11:18,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:18,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002982270] [2024-11-12 17:11:18,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:18,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:18,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:18,978 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:18,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:11:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:19,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:11:19,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:11:19,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:19,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813955399] [2024-11-12 17:11:19,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002982270] [2024-11-12 17:11:19,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002982270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:19,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:19,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:11:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875147995] [2024-11-12 17:11:19,736 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:19,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:11:19,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:19,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:11:19,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:19,737 INFO L87 Difference]: Start difference. First operand 637 states and 799 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:11:20,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:20,299 INFO L93 Difference]: Finished difference Result 648 states and 799 transitions. [2024-11-12 17:11:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:11:20,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2024-11-12 17:11:20,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:20,301 INFO L225 Difference]: With dead ends: 648 [2024-11-12 17:11:20,301 INFO L226 Difference]: Without dead ends: 647 [2024-11-12 17:11:20,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:11:20,302 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 69 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:20,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 560 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-12 17:11:20,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 637. [2024-11-12 17:11:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4223968565815324) internal successors, (724), 596 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 798 transitions. [2024-11-12 17:11:20,316 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 798 transitions. Word has length 175 [2024-11-12 17:11:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:20,317 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 798 transitions. [2024-11-12 17:11:20,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:11:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 798 transitions. [2024-11-12 17:11:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-12 17:11:20,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:20,318 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:20,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-12 17:11:20,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:20,522 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:20,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2050273271, now seen corresponding path program 1 times [2024-11-12 17:11:20,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:20,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820985129] [2024-11-12 17:11:20,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:20,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112404078] [2024-11-12 17:11:20,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:20,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:20,540 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:20,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:11:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:20,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:11:20,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:11:21,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:11:22,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:22,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820985129] [2024-11-12 17:11:22,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:22,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112404078] [2024-11-12 17:11:22,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112404078] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:22,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:22,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:11:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387518773] [2024-11-12 17:11:22,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:22,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:11:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:22,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:11:22,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:11:22,557 INFO L87 Difference]: Start difference. First operand 637 states and 798 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-12 17:11:30,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:30,448 INFO L93 Difference]: Finished difference Result 661 states and 822 transitions. [2024-11-12 17:11:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:11:30,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2024-11-12 17:11:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:30,451 INFO L225 Difference]: With dead ends: 661 [2024-11-12 17:11:30,451 INFO L226 Difference]: Without dead ends: 653 [2024-11-12 17:11:30,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:11:30,451 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 324 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:30,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 365 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-11-12 17:11:30,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-12 17:11:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 637. [2024-11-12 17:11:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4066797642436148) internal successors, (716), 596 states have internal predecessors, (716), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 790 transitions. [2024-11-12 17:11:30,468 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 790 transitions. Word has length 178 [2024-11-12 17:11:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:30,468 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 790 transitions. [2024-11-12 17:11:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-12 17:11:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 790 transitions. [2024-11-12 17:11:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 17:11:30,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:30,470 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:30,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-12 17:11:30,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:30,674 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:30,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1352928969, now seen corresponding path program 1 times [2024-11-12 17:11:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:30,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702004706] [2024-11-12 17:11:30,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:30,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268718964] [2024-11-12 17:11:30,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:30,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:30,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:30,700 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:30,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:11:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:30,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:11:30,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:11:31,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:31,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:31,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702004706] [2024-11-12 17:11:31,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:31,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268718964] [2024-11-12 17:11:31,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268718964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:31,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:31,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:11:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232810761] [2024-11-12 17:11:31,285 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:31,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:11:31,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:31,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:11:31,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:31,286 INFO L87 Difference]: Start difference. First operand 637 states and 790 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:31,756 INFO L93 Difference]: Finished difference Result 640 states and 790 transitions. [2024-11-12 17:11:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:11:31,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 197 [2024-11-12 17:11:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:31,758 INFO L225 Difference]: With dead ends: 640 [2024-11-12 17:11:31,758 INFO L226 Difference]: Without dead ends: 637 [2024-11-12 17:11:31,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:31,758 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 20 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:31,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 525 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:31,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-12 17:11:31,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-12 17:11:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4007858546168959) internal successors, (713), 596 states have internal predecessors, (713), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 787 transitions. [2024-11-12 17:11:31,778 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 787 transitions. Word has length 197 [2024-11-12 17:11:31,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:31,778 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 787 transitions. [2024-11-12 17:11:31,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 787 transitions. [2024-11-12 17:11:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 17:11:31,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:31,779 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:31,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:31,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:31,980 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:31,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:31,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1008875142, now seen corresponding path program 1 times [2024-11-12 17:11:31,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:31,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41302902] [2024-11-12 17:11:31,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:31,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:11:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 17:11:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 17:11:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 17:11:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:11:32,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:32,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41302902] [2024-11-12 17:11:32,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41302902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:32,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751330253] [2024-11-12 17:11:32,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:32,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:32,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:32,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:11:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:32,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:11:32,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:11:32,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:32,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751330253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:32,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:32,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-12 17:11:32,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477792251] [2024-11-12 17:11:32,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:32,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:11:32,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:32,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:11:32,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:11:32,880 INFO L87 Difference]: Start difference. First operand 637 states and 787 transitions. Second operand has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 17:11:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:34,207 INFO L93 Difference]: Finished difference Result 637 states and 787 transitions. [2024-11-12 17:11:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:11:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 198 [2024-11-12 17:11:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:34,209 INFO L225 Difference]: With dead ends: 637 [2024-11-12 17:11:34,209 INFO L226 Difference]: Without dead ends: 633 [2024-11-12 17:11:34,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:11:34,210 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 609 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:34,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 284 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:11:34,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-12 17:11:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2024-11-12 17:11:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 509 states have (on average 1.37524557956778) internal successors, (700), 592 states have internal predecessors, (700), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 17:11:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 774 transitions. [2024-11-12 17:11:34,230 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 774 transitions. Word has length 198 [2024-11-12 17:11:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:34,231 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 774 transitions. [2024-11-12 17:11:34,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 17:11:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 774 transitions. [2024-11-12 17:11:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-12 17:11:34,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:34,232 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-12 17:11:34,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-12 17:11:34,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:34,432 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:34,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:34,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1541425994, now seen corresponding path program 1 times [2024-11-12 17:11:34,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:34,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889973772] [2024-11-12 17:11:34,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:34,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702116962] [2024-11-12 17:11:34,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:34,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:34,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:34,455 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:34,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:11:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:34,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:11:34,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:11:34,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:34,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:34,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889973772] [2024-11-12 17:11:34,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:34,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702116962] [2024-11-12 17:11:34,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702116962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:34,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:34,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:11:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192272689] [2024-11-12 17:11:34,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:34,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:11:34,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:11:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:34,915 INFO L87 Difference]: Start difference. First operand 633 states and 774 transitions. Second operand has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:35,411 INFO L93 Difference]: Finished difference Result 635 states and 774 transitions. [2024-11-12 17:11:35,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:11:35,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2024-11-12 17:11:35,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:35,413 INFO L225 Difference]: With dead ends: 635 [2024-11-12 17:11:35,413 INFO L226 Difference]: Without dead ends: 599 [2024-11-12 17:11:35,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:11:35,414 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 8 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:35,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 595 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:11:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-12 17:11:35,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-12 17:11:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 477 states have (on average 1.3962264150943395) internal successors, (666), 560 states have internal predecessors, (666), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-12 17:11:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 736 transitions. [2024-11-12 17:11:35,429 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 736 transitions. Word has length 202 [2024-11-12 17:11:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:35,429 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 736 transitions. [2024-11-12 17:11:35,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 736 transitions. [2024-11-12 17:11:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-12 17:11:35,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:35,430 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:35,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:11:35,630 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,SelfDestructingSolverStorable33 [2024-11-12 17:11:35,631 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:35,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:35,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1484125587, now seen corresponding path program 1 times [2024-11-12 17:11:35,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247222478] [2024-11-12 17:11:35,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:35,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:35,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364969582] [2024-11-12 17:11:35,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:35,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:35,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:35,654 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:35,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:11:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:35,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:11:35,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:11:35,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:35,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:35,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247222478] [2024-11-12 17:11:35,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:35,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364969582] [2024-11-12 17:11:35,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364969582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:35,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:35,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:11:35,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082118409] [2024-11-12 17:11:35,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:35,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:11:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:35,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:11:35,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:11:35,891 INFO L87 Difference]: Start difference. First operand 599 states and 736 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:35,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:35,996 INFO L93 Difference]: Finished difference Result 686 states and 760 transitions. [2024-11-12 17:11:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:11:35,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2024-11-12 17:11:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:35,998 INFO L225 Difference]: With dead ends: 686 [2024-11-12 17:11:35,998 INFO L226 Difference]: Without dead ends: 685 [2024-11-12 17:11:35,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:11:35,998 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 185 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:35,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 697 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:11:35,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-12 17:11:36,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 599. [2024-11-12 17:11:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 477 states have (on average 1.3941299790356394) internal successors, (665), 560 states have internal predecessors, (665), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-12 17:11:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 735 transitions. [2024-11-12 17:11:36,013 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 735 transitions. Word has length 202 [2024-11-12 17:11:36,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:36,013 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 735 transitions. [2024-11-12 17:11:36,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:11:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 735 transitions. [2024-11-12 17:11:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-12 17:11:36,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:36,015 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:36,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:36,215 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,SelfDestructingSolverStorable34 [2024-11-12 17:11:36,215 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:36,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:36,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2141717048, now seen corresponding path program 2 times [2024-11-12 17:11:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560633917] [2024-11-12 17:11:36,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:36,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278958788] [2024-11-12 17:11:36,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:11:36,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:36,236 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:36,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:11:36,293 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:11:36,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:11:36,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 17:11:36,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:36,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:37,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:37,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560633917] [2024-11-12 17:11:37,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278958788] [2024-11-12 17:11:37,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278958788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:37,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:11:37,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:11:37,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119216915] [2024-11-12 17:11:37,252 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:37,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:11:37,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:11:37,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:11:37,253 INFO L87 Difference]: Start difference. First operand 599 states and 735 transitions. Second operand has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-12 17:11:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:38,293 INFO L93 Difference]: Finished difference Result 641 states and 759 transitions. [2024-11-12 17:11:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:11:38,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 209 [2024-11-12 17:11:38,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:38,295 INFO L225 Difference]: With dead ends: 641 [2024-11-12 17:11:38,296 INFO L226 Difference]: Without dead ends: 619 [2024-11-12 17:11:38,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:11:38,296 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:38,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 557 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:11:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-12 17:11:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 607. [2024-11-12 17:11:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 485 states have (on average 1.3484536082474228) internal successors, (654), 567 states have internal predecessors, (654), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-12 17:11:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 724 transitions. [2024-11-12 17:11:38,311 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 724 transitions. Word has length 209 [2024-11-12 17:11:38,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:38,311 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 724 transitions. [2024-11-12 17:11:38,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-12 17:11:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 724 transitions. [2024-11-12 17:11:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-12 17:11:38,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:38,312 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:38,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-12 17:11:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:38,512 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1968718957, now seen corresponding path program 2 times [2024-11-12 17:11:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797588005] [2024-11-12 17:11:38,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:11:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 17:11:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 17:11:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 17:11:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 17:11:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:38,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797588005] [2024-11-12 17:11:38,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797588005] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109328637] [2024-11-12 17:11:38,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:11:38,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:38,652 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:38,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:11:38,708 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:11:38,708 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:11:38,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:11:38,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:39,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:39,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109328637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:39,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:11:39,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-12 17:11:39,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252606283] [2024-11-12 17:11:39,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:39,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:11:39,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:39,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:11:39,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:11:39,254 INFO L87 Difference]: Start difference. First operand 607 states and 724 transitions. Second operand has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-12 17:11:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:40,860 INFO L93 Difference]: Finished difference Result 607 states and 724 transitions. [2024-11-12 17:11:40,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:11:40,861 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2024-11-12 17:11:40,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:40,862 INFO L225 Difference]: With dead ends: 607 [2024-11-12 17:11:40,862 INFO L226 Difference]: Without dead ends: 600 [2024-11-12 17:11:40,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:11:40,863 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 731 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:40,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 588 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 17:11:40,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-12 17:11:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-12 17:11:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 485 states have (on average 1.3216494845360824) internal successors, (641), 560 states have internal predecessors, (641), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-12 17:11:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 711 transitions. [2024-11-12 17:11:40,878 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 711 transitions. Word has length 210 [2024-11-12 17:11:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:40,878 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 711 transitions. [2024-11-12 17:11:40,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-12 17:11:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 711 transitions. [2024-11-12 17:11:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-12 17:11:40,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:40,879 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:40,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:41,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:41,083 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:41,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:41,084 INFO L85 PathProgramCache]: Analyzing trace with hash -900745430, now seen corresponding path program 2 times [2024-11-12 17:11:41,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:41,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355372477] [2024-11-12 17:11:41,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:11:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 17:11:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 17:11:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 17:11:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 17:11:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:41,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:41,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355372477] [2024-11-12 17:11:41,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355372477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417780480] [2024-11-12 17:11:41,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:11:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:41,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:41,224 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:41,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:11:41,290 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:11:41,290 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:11:41,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:11:41,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:41,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:41,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417780480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:41,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:11:41,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-12 17:11:41,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661029386] [2024-11-12 17:11:41,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:41,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:11:41,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:41,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:11:41,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:11:41,793 INFO L87 Difference]: Start difference. First operand 600 states and 711 transitions. Second operand has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-12 17:11:43,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:43,070 INFO L93 Difference]: Finished difference Result 660 states and 756 transitions. [2024-11-12 17:11:43,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:11:43,071 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 211 [2024-11-12 17:11:43,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:43,073 INFO L225 Difference]: With dead ends: 660 [2024-11-12 17:11:43,073 INFO L226 Difference]: Without dead ends: 658 [2024-11-12 17:11:43,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:11:43,073 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 502 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:43,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 658 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:11:43,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-12 17:11:43,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 625. [2024-11-12 17:11:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 507 states have (on average 1.309664694280079) internal successors, (664), 582 states have internal predecessors, (664), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 17:11:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 740 transitions. [2024-11-12 17:11:43,090 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 740 transitions. Word has length 211 [2024-11-12 17:11:43,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:43,090 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 740 transitions. [2024-11-12 17:11:43,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-12 17:11:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 740 transitions. [2024-11-12 17:11:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-12 17:11:43,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:43,091 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:43,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-12 17:11:43,291 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,SelfDestructingSolverStorable37 [2024-11-12 17:11:43,291 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:43,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:43,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1967038604, now seen corresponding path program 1 times [2024-11-12 17:11:43,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:43,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645738421] [2024-11-12 17:11:43,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:43,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 17:11:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 17:11:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:11:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 17:11:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:11:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 17:11:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 17:11:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 17:11:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:11:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 17:11:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 17:11:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 17:11:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 17:11:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:43,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645738421] [2024-11-12 17:11:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645738421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358856868] [2024-11-12 17:11:43,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:43,443 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:11:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:43,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:11:43,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:43,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:44,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358856868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:11:44,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:44,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-12 17:11:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201890733] [2024-11-12 17:11:44,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:44,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:11:44,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:44,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:11:44,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:11:44,315 INFO L87 Difference]: Start difference. First operand 625 states and 740 transitions. Second operand has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-12 17:11:51,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:11:51,292 INFO L93 Difference]: Finished difference Result 632 states and 743 transitions. [2024-11-12 17:11:51,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:11:51,292 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 213 [2024-11-12 17:11:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:11:51,294 INFO L225 Difference]: With dead ends: 632 [2024-11-12 17:11:51,294 INFO L226 Difference]: Without dead ends: 620 [2024-11-12 17:11:51,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:11:51,295 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 602 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-12 17:11:51,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 777 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1654 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-12 17:11:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-12 17:11:51,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2024-11-12 17:11:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 509 states have (on average 1.280943025540275) internal successors, (652), 576 states have internal predecessors, (652), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 17:11:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 728 transitions. [2024-11-12 17:11:51,311 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 728 transitions. Word has length 213 [2024-11-12 17:11:51,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:11:51,311 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 728 transitions. [2024-11-12 17:11:51,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-12 17:11:51,311 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 728 transitions. [2024-11-12 17:11:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 17:11:51,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:11:51,312 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:11:51,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-12 17:11:51,512 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,SelfDestructingSolverStorable38 [2024-11-12 17:11:51,513 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:11:51,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:11:51,513 INFO L85 PathProgramCache]: Analyzing trace with hash -486636487, now seen corresponding path program 1 times [2024-11-12 17:11:51,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:11:51,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691117871] [2024-11-12 17:11:51,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:51,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:11:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:11:51,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940125012] [2024-11-12 17:11:51,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:11:51,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:11:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:11:51,538 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:11:51,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:11:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:11:51,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:11:51,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:11:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:52,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:11:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:11:52,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:11:52,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691117871] [2024-11-12 17:11:52,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:11:52,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940125012] [2024-11-12 17:11:52,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940125012] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:11:52,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:11:52,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-12 17:11:52,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571455973] [2024-11-12 17:11:52,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:11:52,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:11:52,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:11:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:11:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:11:52,496 INFO L87 Difference]: Start difference. First operand 620 states and 728 transitions. Second operand has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-12 17:11:53,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:12:02,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:12:02,255 INFO L93 Difference]: Finished difference Result 1013 states and 1271 transitions. [2024-11-12 17:12:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 17:12:02,255 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 216 [2024-11-12 17:12:02,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:12:02,257 INFO L225 Difference]: With dead ends: 1013 [2024-11-12 17:12:02,257 INFO L226 Difference]: Without dead ends: 929 [2024-11-12 17:12:02,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:12:02,258 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 730 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 3599 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 3677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:12:02,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1164 Invalid, 3677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3599 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-12 17:12:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2024-11-12 17:12:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 724. [2024-11-12 17:12:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.301980198019802) internal successors, (789), 673 states have internal predecessors, (789), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:12:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 879 transitions. [2024-11-12 17:12:02,283 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 879 transitions. Word has length 216 [2024-11-12 17:12:02,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:12:02,283 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 879 transitions. [2024-11-12 17:12:02,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-12 17:12:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 879 transitions. [2024-11-12 17:12:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-12 17:12:02,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:12:02,284 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:12:02,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-12 17:12:02,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-12 17:12:02,485 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:12:02,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:12:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash 220417783, now seen corresponding path program 2 times [2024-11-12 17:12:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:12:02,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353807591] [2024-11-12 17:12:02,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:12:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:12:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:12:02,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840417831] [2024-11-12 17:12:02,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:12:02,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:12:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:12:02,510 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:12:02,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:12:02,573 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:12:02,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:12:02,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:12:02,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:12:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-12 17:12:03,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:12:03,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:12:03,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353807591] [2024-11-12 17:12:03,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:12:03,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840417831] [2024-11-12 17:12:03,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840417831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:12:03,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:12:03,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:12:03,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914663079] [2024-11-12 17:12:03,610 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:12:03,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:12:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:12:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:12:03,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:12:03,611 INFO L87 Difference]: Start difference. First operand 724 states and 879 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-12 17:12:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:12:05,276 INFO L93 Difference]: Finished difference Result 725 states and 879 transitions. [2024-11-12 17:12:05,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:12:05,276 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 258 [2024-11-12 17:12:05,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:12:05,278 INFO L225 Difference]: With dead ends: 725 [2024-11-12 17:12:05,278 INFO L226 Difference]: Without dead ends: 723 [2024-11-12 17:12:05,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:12:05,279 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 659 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:12:05,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 190 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 17:12:05,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-12 17:12:05,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 722. [2024-11-12 17:12:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 606 states have (on average 1.2920792079207921) internal successors, (783), 671 states have internal predecessors, (783), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:12:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 873 transitions. [2024-11-12 17:12:05,299 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 873 transitions. Word has length 258 [2024-11-12 17:12:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:12:05,299 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 873 transitions. [2024-11-12 17:12:05,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-12 17:12:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 873 transitions. [2024-11-12 17:12:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-12 17:12:05,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:12:05,300 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:12:05,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-12 17:12:05,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:12:05,504 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:12:05,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:12:05,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1756983135, now seen corresponding path program 2 times [2024-11-12 17:12:05,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:12:05,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845229565] [2024-11-12 17:12:05,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:12:05,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:12:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:12:05,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172229403] [2024-11-12 17:12:05,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:12:05,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:12:05,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:12:05,527 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:12:05,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:12:05,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:12:05,587 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:12:05,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:12:05,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:12:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-12 17:12:06,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:12:06,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:12:06,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845229565] [2024-11-12 17:12:06,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:12:06,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172229403] [2024-11-12 17:12:06,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172229403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:12:06,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:12:06,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:12:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761262730] [2024-11-12 17:12:06,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:12:06,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:12:06,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:12:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:12:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:12:06,491 INFO L87 Difference]: Start difference. First operand 722 states and 873 transitions. Second operand has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-12 17:12:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:12:07,847 INFO L93 Difference]: Finished difference Result 729 states and 873 transitions. [2024-11-12 17:12:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:12:07,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 259 [2024-11-12 17:12:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:12:07,850 INFO L225 Difference]: With dead ends: 729 [2024-11-12 17:12:07,850 INFO L226 Difference]: Without dead ends: 728 [2024-11-12 17:12:07,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:12:07,850 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 118 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:12:07,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 720 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 17:12:07,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-12 17:12:07,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 722. [2024-11-12 17:12:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 606 states have (on average 1.2904290429042904) internal successors, (782), 671 states have internal predecessors, (782), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:12:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 872 transitions. [2024-11-12 17:12:07,870 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 872 transitions. Word has length 259 [2024-11-12 17:12:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:12:07,870 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 872 transitions. [2024-11-12 17:12:07,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-12 17:12:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 872 transitions. [2024-11-12 17:12:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-12 17:12:07,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:12:07,871 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-12 17:12:07,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-12 17:12:08,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:12:08,072 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-12 17:12:08,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:12:08,072 INFO L85 PathProgramCache]: Analyzing trace with hash 482046331, now seen corresponding path program 2 times [2024-11-12 17:12:08,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:12:08,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408470592] [2024-11-12 17:12:08,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:12:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:12:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:12:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020781858] [2024-11-12 17:12:08,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:12:08,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:12:08,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:12:08,094 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:12:08,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:12:08,242 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:12:08,242 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:12:08,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:12:08,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:12:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-12 17:12:09,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:12:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-12 17:12:10,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:12:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408470592] [2024-11-12 17:12:10,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:12:10,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020781858] [2024-11-12 17:12:10,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020781858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:12:10,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:12:10,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-12 17:12:10,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096480201] [2024-11-12 17:12:10,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:12:10,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:12:10,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:12:10,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:12:10,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:12:10,426 INFO L87 Difference]: Start difference. First operand 722 states and 872 transitions. Second operand has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-12 17:12:17,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:12:19,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:12:20,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:12:24,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []