./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/cohendiv-ll_valuebound50.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 d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:34:14,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:34:14,193 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:34:14,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:34:14,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:34:14,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:34:14,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:34:14,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:34:14,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:34:14,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:34:14,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:34:14,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:34:14,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:34:14,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:34:14,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:34:14,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:34:14,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:34:14,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:34:14,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:34:14,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:34:14,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:34:14,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:34:14,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:34:14,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:34:14,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:34:14,251 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:34:14,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:34:14,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:34:14,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:34:14,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:34:14,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:34:14,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:34:14,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:34:14,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:34:14,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:34:14,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:34:14,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:34:14,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:34:14,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:34:14,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:34:14,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:34:14,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:34:14,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:34:14,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:34:14,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 [2024-11-19 10:34:14,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:34:14,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:34:14,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:34:14,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:34:14,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:34:14,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-19 10:34:16,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:34:16,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:34:16,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-19 10:34:16,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128a1d079/d9887e2b66c04b11959b7979fd2fbc86/FLAG692e1dd42 [2024-11-19 10:34:16,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128a1d079/d9887e2b66c04b11959b7979fd2fbc86 [2024-11-19 10:34:16,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:34:16,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:34:16,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:34:16,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:34:16,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:34:16,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b168d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16, skipping insertion in model container [2024-11-19 10:34:16,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:34:16,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:34:16,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:34:16,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:34:16,940 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:34:16,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16 WrapperNode [2024-11-19 10:34:16,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:34:16,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:34:16,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:34:16,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:34:16,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,981 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-19 10:34:16,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:34:16,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:34:16,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:34:16,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:34:16,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:16,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,002 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]. [2024-11-19 10:34:17,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:34:17,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:34:17,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:34:17,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:34:17,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (1/1) ... [2024-11-19 10:34:17,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:34:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:17,044 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) [2024-11-19 10:34:17,055 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 [2024-11-19 10:34:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:34:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:34:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:34:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:34:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:34:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:34:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:34:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:34:17,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:34:17,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:34:17,591 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-19 10:34:17,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:34:17,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:34:17,647 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:34:17,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:34:17 BoogieIcfgContainer [2024-11-19 10:34:17,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:34:17,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:34:17,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:34:17,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:34:17,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:34:16" (1/3) ... [2024-11-19 10:34:17,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84a23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:34:17, skipping insertion in model container [2024-11-19 10:34:17,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:34:16" (2/3) ... [2024-11-19 10:34:17,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84a23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:34:17, skipping insertion in model container [2024-11-19 10:34:17,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:34:17" (3/3) ... [2024-11-19 10:34:17,655 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound50.c [2024-11-19 10:34:17,667 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:34:17,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-19 10:34:17,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:34:17,719 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;@1c706e43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:34:17,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-19 10:34:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:34:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:34:17,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:17,729 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:17,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:17,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:17,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1983182931, now seen corresponding path program 1 times [2024-11-19 10:34:17,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:17,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820601819] [2024-11-19 10:34:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:17,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:34:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:17,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820601819] [2024-11-19 10:34:17,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820601819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:17,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478064221] [2024-11-19 10:34:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:17,863 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) [2024-11-19 10:34:17,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:34:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:17,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:34:17,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:34:17,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:17,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478064221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:17,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:17,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:34:17,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588998474] [2024-11-19 10:34:17,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:34:17,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:17,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:34:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:34:18,003 INFO L87 Difference]: Start difference. First operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:34:18,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:18,040 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2024-11-19 10:34:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:34:18,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-19 10:34:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:18,049 INFO L225 Difference]: With dead ends: 180 [2024-11-19 10:34:18,049 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:34:18,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:34:18,060 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:18,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:34:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:34:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-19 10:34:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:34:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-19 10:34:18,103 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 21 [2024-11-19 10:34:18,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:18,104 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-19 10:34:18,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:34:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-19 10:34:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:34:18,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:18,107 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:18,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:18,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:34:18,308 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:18,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1153157909, now seen corresponding path program 1 times [2024-11-19 10:34:18,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:18,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922157011] [2024-11-19 10:34:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:18,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:18,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468575034] [2024-11-19 10:34:18,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:18,351 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) [2024-11-19 10:34:18,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:34:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:18,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:34:18,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:34:18,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:18,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:18,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922157011] [2024-11-19 10:34:18,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:18,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468575034] [2024-11-19 10:34:18,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468575034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:18,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:18,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:34:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559539861] [2024-11-19 10:34:18,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:18,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:34:18,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:18,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:34:18,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:34:18,405 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-19 10:34:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:18,547 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions. [2024-11-19 10:34:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:34:18,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 21 [2024-11-19 10:34:18,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:18,549 INFO L225 Difference]: With dead ends: 109 [2024-11-19 10:34:18,549 INFO L226 Difference]: Without dead ends: 107 [2024-11-19 10:34:18,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:34:18,554 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 18 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:18,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-19 10:34:18,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 88. [2024-11-19 10:34:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 76 states have internal predecessors, (78), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:34:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-19 10:34:18,580 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 21 [2024-11-19 10:34:18,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:18,580 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-19 10:34:18,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-19 10:34:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-19 10:34:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:34:18,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:18,581 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:18,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:34:18,782 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,SelfDestructingSolverStorable1 [2024-11-19 10:34:18,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:18,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1796725672, now seen corresponding path program 1 times [2024-11-19 10:34:18,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:18,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289996042] [2024-11-19 10:34:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:18,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068206885] [2024-11-19 10:34:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:18,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:18,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:18,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:34:18,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:34:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:18,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:34:18,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:34:18,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:18,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:18,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289996042] [2024-11-19 10:34:18,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:18,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068206885] [2024-11-19 10:34:18,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068206885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:18,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:18,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:34:18,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917387604] [2024-11-19 10:34:18,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:18,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:34:18,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:34:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:34:18,917 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:19,011 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2024-11-19 10:34:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:34:19,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-19 10:34:19,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:19,013 INFO L225 Difference]: With dead ends: 145 [2024-11-19 10:34:19,013 INFO L226 Difference]: Without dead ends: 139 [2024-11-19 10:34:19,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:34:19,014 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:19,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 136 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:19,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-19 10:34:19,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2024-11-19 10:34:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.6805555555555556) internal successors, (121), 101 states have internal predecessors, (121), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:34:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 151 transitions. [2024-11-19 10:34:19,023 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 151 transitions. Word has length 28 [2024-11-19 10:34:19,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:19,023 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 151 transitions. [2024-11-19 10:34:19,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2024-11-19 10:34:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:34:19,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:19,024 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:19,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:34:19,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:19,228 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:19,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:19,229 INFO L85 PathProgramCache]: Analyzing trace with hash -76516038, now seen corresponding path program 1 times [2024-11-19 10:34:19,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:19,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29527130] [2024-11-19 10:34:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:19,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:34:19,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:19,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29527130] [2024-11-19 10:34:19,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29527130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:19,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452185782] [2024-11-19 10:34:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:19,477 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) [2024-11-19 10:34:19,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:34:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:19,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:34:19,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:34:19,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:19,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452185782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:19,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:19,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-19 10:34:19,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22434049] [2024-11-19 10:34:19,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:19,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:19,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:19,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:19,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:34:19,607 INFO L87 Difference]: Start difference. First operand 119 states and 151 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:19,759 INFO L93 Difference]: Finished difference Result 138 states and 158 transitions. [2024-11-19 10:34:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:19,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2024-11-19 10:34:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:19,761 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:34:19,761 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 10:34:19,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:34:19,762 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 155 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:19,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 10:34:19,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 120. [2024-11-19 10:34:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.643835616438356) internal successors, (120), 102 states have internal predecessors, (120), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:34:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-19 10:34:19,779 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 30 [2024-11-19 10:34:19,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:19,779 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-19 10:34:19,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-19 10:34:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:34:19,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:19,780 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:19,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:19,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:19,981 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:19,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1922970177, now seen corresponding path program 1 times [2024-11-19 10:34:19,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:19,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677612849] [2024-11-19 10:34:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459618545] [2024-11-19 10:34:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:20,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:20,006 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) [2024-11-19 10:34:20,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:34:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:20,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:34:20,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:34:20,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:20,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:20,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677612849] [2024-11-19 10:34:20,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:20,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459618545] [2024-11-19 10:34:20,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459618545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:20,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:20,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:20,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21032973] [2024-11-19 10:34:20,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:20,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:20,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:20,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:20,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:20,148 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:20,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:20,367 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2024-11-19 10:34:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:20,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-19 10:34:20,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:20,369 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:34:20,369 INFO L226 Difference]: Without dead ends: 131 [2024-11-19 10:34:20,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:20,370 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 151 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:20,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:34:20,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-19 10:34:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 117. [2024-11-19 10:34:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.6285714285714286) internal successors, (114), 99 states have internal predecessors, (114), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:34:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2024-11-19 10:34:20,400 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 144 transitions. Word has length 31 [2024-11-19 10:34:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:20,400 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 144 transitions. [2024-11-19 10:34:20,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:34:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2024-11-19 10:34:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:34:20,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:20,401 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:20,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:20,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:20,602 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:20,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1457275482, now seen corresponding path program 1 times [2024-11-19 10:34:20,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:20,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568027629] [2024-11-19 10:34:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054151970] [2024-11-19 10:34:20,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:20,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:20,645 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) [2024-11-19 10:34:20,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:34:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:20,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:20,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:34:20,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:20,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:20,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568027629] [2024-11-19 10:34:20,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:20,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054151970] [2024-11-19 10:34:20,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054151970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:20,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:20,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271975969] [2024-11-19 10:34:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:20,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:20,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:20,800 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:34:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:21,082 INFO L93 Difference]: Finished difference Result 184 states and 252 transitions. [2024-11-19 10:34:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:21,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-19 10:34:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:21,090 INFO L225 Difference]: With dead ends: 184 [2024-11-19 10:34:21,090 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 10:34:21,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:21,091 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:21,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 105 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:34:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 10:34:21,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2024-11-19 10:34:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.6111111111111112) internal successors, (174), 137 states have internal predecessors, (174), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2024-11-19 10:34:21,131 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 39 [2024-11-19 10:34:21,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:21,131 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2024-11-19 10:34:21,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:34:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2024-11-19 10:34:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:34:21,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:21,132 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:21,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:21,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:21,332 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:21,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2069100392, now seen corresponding path program 1 times [2024-11-19 10:34:21,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430522659] [2024-11-19 10:34:21,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:21,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492098025] [2024-11-19 10:34:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:21,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:21,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:21,373 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) [2024-11-19 10:34:21,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:34:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:21,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:21,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:34:21,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:21,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430522659] [2024-11-19 10:34:21,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492098025] [2024-11-19 10:34:21,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492098025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:21,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:21,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:21,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413479834] [2024-11-19 10:34:21,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:21,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:21,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:21,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:21,473 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:34:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:21,724 INFO L93 Difference]: Finished difference Result 182 states and 243 transitions. [2024-11-19 10:34:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:21,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-19 10:34:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:21,726 INFO L225 Difference]: With dead ends: 182 [2024-11-19 10:34:21,726 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 10:34:21,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:21,727 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 73 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:21,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 105 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:34:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 10:34:21,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2024-11-19 10:34:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 138 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 217 transitions. [2024-11-19 10:34:21,739 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 217 transitions. Word has length 40 [2024-11-19 10:34:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:21,739 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 217 transitions. [2024-11-19 10:34:21,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:34:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 217 transitions. [2024-11-19 10:34:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-19 10:34:21,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:21,741 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:34:21,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:34:21,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:21,946 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:21,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:21,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1433210023, now seen corresponding path program 1 times [2024-11-19 10:34:21,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:21,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982498354] [2024-11-19 10:34:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 10:34:22,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:22,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982498354] [2024-11-19 10:34:22,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982498354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:22,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:22,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:22,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18979280] [2024-11-19 10:34:22,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:22,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:22,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:22,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:22,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:22,203 INFO L87 Difference]: Start difference. First operand 164 states and 217 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:22,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:22,768 INFO L93 Difference]: Finished difference Result 197 states and 246 transitions. [2024-11-19 10:34:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:34:22,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 60 [2024-11-19 10:34:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:22,775 INFO L225 Difference]: With dead ends: 197 [2024-11-19 10:34:22,775 INFO L226 Difference]: Without dead ends: 195 [2024-11-19 10:34:22,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:22,776 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 114 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:22,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 93 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:34:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-19 10:34:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 166. [2024-11-19 10:34:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 111 states have (on average 1.5405405405405406) internal successors, (171), 140 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 217 transitions. [2024-11-19 10:34:22,807 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 217 transitions. Word has length 60 [2024-11-19 10:34:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:22,807 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 217 transitions. [2024-11-19 10:34:22,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 217 transitions. [2024-11-19 10:34:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 10:34:22,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:22,808 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:34:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:34:22,809 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:22,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1479837660, now seen corresponding path program 1 times [2024-11-19 10:34:22,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:22,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535956620] [2024-11-19 10:34:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 10:34:22,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:22,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535956620] [2024-11-19 10:34:22,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535956620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:22,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:22,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:22,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205359821] [2024-11-19 10:34:22,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:22,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:22,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:22,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:22,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:22,902 INFO L87 Difference]: Start difference. First operand 166 states and 217 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:23,068 INFO L93 Difference]: Finished difference Result 197 states and 242 transitions. [2024-11-19 10:34:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:34:23,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-11-19 10:34:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:23,070 INFO L225 Difference]: With dead ends: 197 [2024-11-19 10:34:23,070 INFO L226 Difference]: Without dead ends: 195 [2024-11-19 10:34:23,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:23,071 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 111 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:23,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 95 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:23,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-19 10:34:23,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 168. [2024-11-19 10:34:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5132743362831858) internal successors, (171), 142 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 217 transitions. [2024-11-19 10:34:23,103 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 217 transitions. Word has length 61 [2024-11-19 10:34:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:23,103 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 217 transitions. [2024-11-19 10:34:23,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 217 transitions. [2024-11-19 10:34:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:34:23,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:23,104 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:34:23,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:34:23,106 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:23,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:23,110 INFO L85 PathProgramCache]: Analyzing trace with hash -489813188, now seen corresponding path program 1 times [2024-11-19 10:34:23,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:23,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171852567] [2024-11-19 10:34:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 10:34:23,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:23,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171852567] [2024-11-19 10:34:23,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171852567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:23,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:34:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120230646] [2024-11-19 10:34:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:23,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:34:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:34:23,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:34:23,251 INFO L87 Difference]: Start difference. First operand 168 states and 217 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-19 10:34:23,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:23,371 INFO L93 Difference]: Finished difference Result 173 states and 217 transitions. [2024-11-19 10:34:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:34:23,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 63 [2024-11-19 10:34:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:23,373 INFO L225 Difference]: With dead ends: 173 [2024-11-19 10:34:23,373 INFO L226 Difference]: Without dead ends: 172 [2024-11-19 10:34:23,373 INFO L431 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 [2024-11-19 10:34:23,374 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:23,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 144 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-19 10:34:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2024-11-19 10:34:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5044247787610618) internal successors, (170), 142 states have internal predecessors, (170), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 216 transitions. [2024-11-19 10:34:23,404 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 216 transitions. Word has length 63 [2024-11-19 10:34:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:23,406 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 216 transitions. [2024-11-19 10:34:23,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-19 10:34:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2024-11-19 10:34:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:34:23,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:23,411 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:34:23,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:34:23,412 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:23,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -489813146, now seen corresponding path program 1 times [2024-11-19 10:34:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:23,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823169129] [2024-11-19 10:34:23,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:23,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 10:34:23,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823169129] [2024-11-19 10:34:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823169129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924875119] [2024-11-19 10:34:23,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:23,613 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) [2024-11-19 10:34:23,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:34:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:23,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:34:23,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 10:34:23,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 10:34:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924875119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:34:23,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:34:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-19 10:34:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277577349] [2024-11-19 10:34:23,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:23,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:34:23,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:23,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:34:23,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:34:23,883 INFO L87 Difference]: Start difference. First operand 168 states and 216 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 10:34:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:23,986 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2024-11-19 10:34:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:34:23,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 63 [2024-11-19 10:34:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:23,988 INFO L225 Difference]: With dead ends: 168 [2024-11-19 10:34:23,989 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 10:34:23,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:34:23,989 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 27 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:23,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 122 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:23,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 10:34:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-19 10:34:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 140 states have internal predecessors, (162), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 208 transitions. [2024-11-19 10:34:24,004 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 208 transitions. Word has length 63 [2024-11-19 10:34:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:24,004 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 208 transitions. [2024-11-19 10:34:24,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 10:34:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2024-11-19 10:34:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:34:24,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:24,008 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:34:24,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:24,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:34:24,210 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:24,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:24,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1995660478, now seen corresponding path program 1 times [2024-11-19 10:34:24,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:24,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12984159] [2024-11-19 10:34:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:24,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 10:34:24,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:24,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12984159] [2024-11-19 10:34:24,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12984159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:24,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:24,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:34:24,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142959173] [2024-11-19 10:34:24,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:24,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:34:24,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:24,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:34:24,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:24,315 INFO L87 Difference]: Start difference. First operand 166 states and 208 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-19 10:34:24,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:24,395 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-19 10:34:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:34:24,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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 64 [2024-11-19 10:34:24,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:24,397 INFO L225 Difference]: With dead ends: 166 [2024-11-19 10:34:24,397 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 10:34:24,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:34:24,398 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 100 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:24,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 163 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 10:34:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 10:34:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 113 states have (on average 1.415929203539823) internal successors, (160), 139 states have internal predecessors, (160), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 206 transitions. [2024-11-19 10:34:24,406 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 206 transitions. Word has length 64 [2024-11-19 10:34:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:24,406 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 206 transitions. [2024-11-19 10:34:24,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-19 10:34:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 206 transitions. [2024-11-19 10:34:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:34:24,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:24,407 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:24,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:34:24,408 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:24,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1735932798, now seen corresponding path program 1 times [2024-11-19 10:34:24,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:24,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497797206] [2024-11-19 10:34:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 10:34:24,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:24,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497797206] [2024-11-19 10:34:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497797206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423156300] [2024-11-19 10:34:24,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:24,462 INFO L87 Difference]: Start difference. First operand 165 states and 206 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:24,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:24,604 INFO L93 Difference]: Finished difference Result 186 states and 219 transitions. [2024-11-19 10:34:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:24,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-19 10:34:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:24,605 INFO L225 Difference]: With dead ends: 186 [2024-11-19 10:34:24,605 INFO L226 Difference]: Without dead ends: 184 [2024-11-19 10:34:24,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:24,606 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 48 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:24,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 150 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-19 10:34:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2024-11-19 10:34:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 143 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:34:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 210 transitions. [2024-11-19 10:34:24,618 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 210 transitions. Word has length 65 [2024-11-19 10:34:24,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:24,618 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 210 transitions. [2024-11-19 10:34:24,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:34:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 210 transitions. [2024-11-19 10:34:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 10:34:24,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:24,619 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:24,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 10:34:24,621 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:24,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1205477451, now seen corresponding path program 1 times [2024-11-19 10:34:24,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:24,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263482700] [2024-11-19 10:34:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:24,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273400640] [2024-11-19 10:34:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:24,646 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) [2024-11-19 10:34:24,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:34:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:24,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:34:24,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:34:24,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:25,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:25,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263482700] [2024-11-19 10:34:25,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:25,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273400640] [2024-11-19 10:34:25,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273400640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:25,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:25,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:34:25,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551791395] [2024-11-19 10:34:25,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:25,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:34:25,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:25,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:34:25,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:34:25,195 INFO L87 Difference]: Start difference. First operand 169 states and 210 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:25,683 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2024-11-19 10:34:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:34:25,684 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2024-11-19 10:34:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:25,685 INFO L225 Difference]: With dead ends: 264 [2024-11-19 10:34:25,686 INFO L226 Difference]: Without dead ends: 256 [2024-11-19 10:34:25,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:34:25,686 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 290 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:25,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 343 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:34:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-19 10:34:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 235. [2024-11-19 10:34:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 199 states have internal predecessors, (243), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:34:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2024-11-19 10:34:25,700 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 75 [2024-11-19 10:34:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:25,701 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2024-11-19 10:34:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2024-11-19 10:34:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-19 10:34:25,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:25,702 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:25,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:25,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:34:25,906 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:25,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:25,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1284904628, now seen corresponding path program 1 times [2024-11-19 10:34:25,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:25,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718773770] [2024-11-19 10:34:25,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:25,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:25,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132517821] [2024-11-19 10:34:25,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:25,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:25,927 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) [2024-11-19 10:34:25,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:34:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:25,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:34:25,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:34:26,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:26,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:26,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718773770] [2024-11-19 10:34:26,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:26,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132517821] [2024-11-19 10:34:26,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132517821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:26,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:26,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:34:26,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140715473] [2024-11-19 10:34:26,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:26,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:34:26,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:34:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:34:26,973 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:27,567 INFO L93 Difference]: Finished difference Result 322 states and 412 transitions. [2024-11-19 10:34:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:34:27,568 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 76 [2024-11-19 10:34:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:27,573 INFO L225 Difference]: With dead ends: 322 [2024-11-19 10:34:27,573 INFO L226 Difference]: Without dead ends: 319 [2024-11-19 10:34:27,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:34:27,574 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 254 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:27,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 331 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:34:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-19 10:34:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2024-11-19 10:34:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 219 states have (on average 1.3926940639269407) internal successors, (305), 245 states have internal predecessors, (305), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-19 10:34:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 391 transitions. [2024-11-19 10:34:27,600 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 391 transitions. Word has length 76 [2024-11-19 10:34:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:27,601 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 391 transitions. [2024-11-19 10:34:27,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 391 transitions. [2024-11-19 10:34:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:34:27,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:27,602 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:27,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:34:27,802 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,SelfDestructingSolverStorable14 [2024-11-19 10:34:27,803 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:27,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:27,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1177337747, now seen corresponding path program 1 times [2024-11-19 10:34:27,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:27,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178230107] [2024-11-19 10:34:27,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:27,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-19 10:34:27,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:27,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178230107] [2024-11-19 10:34:27,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178230107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:27,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:27,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:34:27,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531459886] [2024-11-19 10:34:27,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:27,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:34:27,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:34:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:27,937 INFO L87 Difference]: Start difference. First operand 291 states and 391 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:34:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:29,720 INFO L93 Difference]: Finished difference Result 422 states and 571 transitions. [2024-11-19 10:34:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:34:29,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-19 10:34:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:29,726 INFO L225 Difference]: With dead ends: 422 [2024-11-19 10:34:29,726 INFO L226 Difference]: Without dead ends: 419 [2024-11-19 10:34:29,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:34:29,727 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:29,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 208 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 10:34:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-19 10:34:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 297. [2024-11-19 10:34:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 225 states have (on average 1.36) internal successors, (306), 249 states have internal predecessors, (306), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:34:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 396 transitions. [2024-11-19 10:34:29,765 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 396 transitions. Word has length 77 [2024-11-19 10:34:29,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:29,765 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 396 transitions. [2024-11-19 10:34:29,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:34:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 396 transitions. [2024-11-19 10:34:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:34:29,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:29,769 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:29,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:34:29,769 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:29,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:29,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1121698510, now seen corresponding path program 1 times [2024-11-19 10:34:29,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:29,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385799756] [2024-11-19 10:34:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:29,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677252342] [2024-11-19 10:34:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:29,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:29,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:29,795 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) [2024-11-19 10:34:29,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:34:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:29,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:34:29,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:34:30,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:30,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:30,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385799756] [2024-11-19 10:34:30,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:30,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677252342] [2024-11-19 10:34:30,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677252342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:30,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:30,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:34:30,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145699983] [2024-11-19 10:34:30,178 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:30,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:34:30,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:30,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:34:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:34:30,179 INFO L87 Difference]: Start difference. First operand 297 states and 396 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:34:30,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:30,438 INFO L93 Difference]: Finished difference Result 308 states and 415 transitions. [2024-11-19 10:34:30,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:34:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-19 10:34:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:30,452 INFO L225 Difference]: With dead ends: 308 [2024-11-19 10:34:30,452 INFO L226 Difference]: Without dead ends: 304 [2024-11-19 10:34:30,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:34:30,454 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 70 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:30,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 216 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:34:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-19 10:34:30,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 293. [2024-11-19 10:34:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 225 states have (on average 1.3288888888888888) internal successors, (299), 245 states have internal predecessors, (299), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:34:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 389 transitions. [2024-11-19 10:34:30,496 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 389 transitions. Word has length 77 [2024-11-19 10:34:30,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:30,496 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 389 transitions. [2024-11-19 10:34:30,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:34:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2024-11-19 10:34:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:34:30,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:30,497 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:30,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:34:30,697 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,SelfDestructingSolverStorable16 [2024-11-19 10:34:30,700 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:30,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash -2137731730, now seen corresponding path program 1 times [2024-11-19 10:34:30,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:30,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686988542] [2024-11-19 10:34:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:30,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525629574] [2024-11-19 10:34:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:30,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:30,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:30,733 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) [2024-11-19 10:34:30,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:34:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:30,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:34:30,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:34:31,392 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:32,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:32,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686988542] [2024-11-19 10:34:32,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:32,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525629574] [2024-11-19 10:34:32,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525629574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:32,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:32,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:34:32,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082172601] [2024-11-19 10:34:32,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:32,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:34:32,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:32,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:34:32,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:34:32,706 INFO L87 Difference]: Start difference. First operand 293 states and 389 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:33,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:33,180 INFO L93 Difference]: Finished difference Result 316 states and 399 transitions. [2024-11-19 10:34:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:34:33,181 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-19 10:34:33,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:33,182 INFO L225 Difference]: With dead ends: 316 [2024-11-19 10:34:33,182 INFO L226 Difference]: Without dead ends: 309 [2024-11-19 10:34:33,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:34:33,183 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 227 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:33,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 396 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:34:33,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-19 10:34:33,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 291. [2024-11-19 10:34:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 223 states have (on average 1.3139013452914798) internal successors, (293), 243 states have internal predecessors, (293), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:34:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 383 transitions. [2024-11-19 10:34:33,199 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 383 transitions. Word has length 78 [2024-11-19 10:34:33,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:33,199 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 383 transitions. [2024-11-19 10:34:33,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 383 transitions. [2024-11-19 10:34:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:34:33,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:33,200 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:33,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:34:33,404 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,SelfDestructingSolverStorable17 [2024-11-19 10:34:33,404 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:33,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:33,405 INFO L85 PathProgramCache]: Analyzing trace with hash -412915364, now seen corresponding path program 1 times [2024-11-19 10:34:33,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:33,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190675746] [2024-11-19 10:34:33,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:33,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793904428] [2024-11-19 10:34:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:33,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:33,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:33,432 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) [2024-11-19 10:34:33,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:34:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:33,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:34:33,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:34:33,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190675746] [2024-11-19 10:34:34,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793904428] [2024-11-19 10:34:34,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793904428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:34,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:34,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:34:34,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261318721] [2024-11-19 10:34:34,104 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:34,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:34:34,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:34,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:34:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:34:34,110 INFO L87 Difference]: Start difference. First operand 291 states and 383 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:34,831 INFO L93 Difference]: Finished difference Result 586 states and 805 transitions. [2024-11-19 10:34:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:34:34,831 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-19 10:34:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:34,833 INFO L225 Difference]: With dead ends: 586 [2024-11-19 10:34:34,834 INFO L226 Difference]: Without dead ends: 582 [2024-11-19 10:34:34,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:34:34,835 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 357 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:34,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 399 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:34:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-19 10:34:34,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 465. [2024-11-19 10:34:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 367 states have (on average 1.3106267029972751) internal successors, (481), 387 states have internal predecessors, (481), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:34:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 631 transitions. [2024-11-19 10:34:34,870 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 631 transitions. Word has length 78 [2024-11-19 10:34:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:34,870 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 631 transitions. [2024-11-19 10:34:34,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:34:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 631 transitions. [2024-11-19 10:34:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 10:34:34,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:34,871 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:34,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:34:35,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:35,077 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:35,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:35,077 INFO L85 PathProgramCache]: Analyzing trace with hash -11934899, now seen corresponding path program 1 times [2024-11-19 10:34:35,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:35,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577879807] [2024-11-19 10:34:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:35,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577879807] [2024-11-19 10:34:35,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577879807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375340445] [2024-11-19 10:34:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:35,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:35,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:35,134 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) [2024-11-19 10:34:35,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:34:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:35,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:35,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:35,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:35,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375340445] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:34:35,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:34:35,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 10:34:35,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576154874] [2024-11-19 10:34:35,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:35,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:34:35,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:35,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:34:35,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:34:35,326 INFO L87 Difference]: Start difference. First operand 465 states and 631 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-19 10:34:36,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:36,143 INFO L93 Difference]: Finished difference Result 767 states and 1063 transitions. [2024-11-19 10:34:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:34:36,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 98 [2024-11-19 10:34:36,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:36,147 INFO L225 Difference]: With dead ends: 767 [2024-11-19 10:34:36,147 INFO L226 Difference]: Without dead ends: 765 [2024-11-19 10:34:36,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:34:36,148 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 307 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:36,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 253 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:34:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-19 10:34:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 644. [2024-11-19 10:34:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 511 states have (on average 1.3189823874755382) internal successors, (674), 530 states have internal predecessors, (674), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-19 10:34:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 896 transitions. [2024-11-19 10:34:36,208 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 896 transitions. Word has length 98 [2024-11-19 10:34:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:36,209 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 896 transitions. [2024-11-19 10:34:36,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-19 10:34:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 896 transitions. [2024-11-19 10:34:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:34:36,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:36,210 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:36,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:34:36,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:36,411 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:36,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash -369981776, now seen corresponding path program 1 times [2024-11-19 10:34:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:36,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253407736] [2024-11-19 10:34:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:36,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:36,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253407736] [2024-11-19 10:34:36,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253407736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:36,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004195313] [2024-11-19 10:34:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:36,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:36,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:36,507 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) [2024-11-19 10:34:36,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:34:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:36,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:36,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:36,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:36,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004195313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:34:36,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:34:36,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-19 10:34:36,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85093282] [2024-11-19 10:34:36,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:36,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:34:36,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:36,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:34:36,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:34:36,714 INFO L87 Difference]: Start difference. First operand 644 states and 896 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-19 10:34:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:37,470 INFO L93 Difference]: Finished difference Result 777 states and 1049 transitions. [2024-11-19 10:34:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:34:37,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 99 [2024-11-19 10:34:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:37,474 INFO L225 Difference]: With dead ends: 777 [2024-11-19 10:34:37,474 INFO L226 Difference]: Without dead ends: 775 [2024-11-19 10:34:37,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:34:37,475 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 648 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:37,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 395 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:34:37,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-19 10:34:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 646. [2024-11-19 10:34:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 514 states have (on average 1.272373540856031) internal successors, (654), 532 states have internal predecessors, (654), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-19 10:34:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 876 transitions. [2024-11-19 10:34:37,522 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 876 transitions. Word has length 99 [2024-11-19 10:34:37,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:37,525 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 876 transitions. [2024-11-19 10:34:37,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-19 10:34:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 876 transitions. [2024-11-19 10:34:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:34:37,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:37,526 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:37,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:34:37,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:37,731 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:37,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash 929801928, now seen corresponding path program 1 times [2024-11-19 10:34:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:37,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060284962] [2024-11-19 10:34:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:37,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:37,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060284962] [2024-11-19 10:34:37,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060284962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:37,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:37,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:34:37,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298089797] [2024-11-19 10:34:37,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:37,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:34:37,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:37,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:34:37,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:34:37,813 INFO L87 Difference]: Start difference. First operand 646 states and 876 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-19 10:34:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:37,961 INFO L93 Difference]: Finished difference Result 646 states and 876 transitions. [2024-11-19 10:34:37,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:34:37,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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 101 [2024-11-19 10:34:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:37,965 INFO L225 Difference]: With dead ends: 646 [2024-11-19 10:34:37,965 INFO L226 Difference]: Without dead ends: 645 [2024-11-19 10:34:37,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:34:37,966 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:37,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 152 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:34:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-19 10:34:38,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2024-11-19 10:34:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 514 states have (on average 1.264591439688716) internal successors, (650), 531 states have internal predecessors, (650), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-19 10:34:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 872 transitions. [2024-11-19 10:34:38,047 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 872 transitions. Word has length 101 [2024-11-19 10:34:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:38,047 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 872 transitions. [2024-11-19 10:34:38,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-19 10:34:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 872 transitions. [2024-11-19 10:34:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 10:34:38,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:38,052 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:38,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 10:34:38,052 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:38,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:38,052 INFO L85 PathProgramCache]: Analyzing trace with hash 186459146, now seen corresponding path program 1 times [2024-11-19 10:34:38,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:38,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394376553] [2024-11-19 10:34:38,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:38,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:38,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394376553] [2024-11-19 10:34:38,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394376553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:38,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380276491] [2024-11-19 10:34:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:38,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:38,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:38,163 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) [2024-11-19 10:34:38,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:34:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:38,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:38,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:38,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:34:38,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380276491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:38,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:38,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-19 10:34:38,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455945768] [2024-11-19 10:34:38,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:38,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:34:38,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:38,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:34:38,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:34:38,384 INFO L87 Difference]: Start difference. First operand 645 states and 872 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-19 10:34:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:38,640 INFO L93 Difference]: Finished difference Result 662 states and 903 transitions. [2024-11-19 10:34:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:34:38,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 [2024-11-19 10:34:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:38,647 INFO L225 Difference]: With dead ends: 662 [2024-11-19 10:34:38,647 INFO L226 Difference]: Without dead ends: 661 [2024-11-19 10:34:38,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:34:38,648 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 59 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:38,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 115 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:34:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-19 10:34:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 644. [2024-11-19 10:34:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 514 states have (on average 1.2568093385214008) internal successors, (646), 530 states have internal predecessors, (646), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-19 10:34:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 868 transitions. [2024-11-19 10:34:38,751 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 868 transitions. Word has length 103 [2024-11-19 10:34:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:38,752 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 868 transitions. [2024-11-19 10:34:38,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-19 10:34:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 868 transitions. [2024-11-19 10:34:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 10:34:38,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:38,753 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:38,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:34:38,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-19 10:34:38,958 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:38,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:38,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1485266356, now seen corresponding path program 1 times [2024-11-19 10:34:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:38,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039769301] [2024-11-19 10:34:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:38,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:39,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039769301] [2024-11-19 10:34:39,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039769301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997075786] [2024-11-19 10:34:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:39,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:39,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:39,071 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) [2024-11-19 10:34:39,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:34:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:39,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:34:39,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:39,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 10:34:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997075786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:34:39,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:34:39,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-19 10:34:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480997852] [2024-11-19 10:34:39,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:39,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:34:39,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:39,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:34:39,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:34:39,438 INFO L87 Difference]: Start difference. First operand 644 states and 868 transitions. Second operand has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-19 10:34:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:40,048 INFO L93 Difference]: Finished difference Result 905 states and 1232 transitions. [2024-11-19 10:34:40,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:34:40,049 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-19 10:34:40,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:40,052 INFO L225 Difference]: With dead ends: 905 [2024-11-19 10:34:40,054 INFO L226 Difference]: Without dead ends: 903 [2024-11-19 10:34:40,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:34:40,057 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 243 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:40,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 287 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:34:40,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-19 10:34:40,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 766. [2024-11-19 10:34:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 618 states have (on average 1.2572815533980584) internal successors, (777), 634 states have internal predecessors, (777), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-19 10:34:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1035 transitions. [2024-11-19 10:34:40,156 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1035 transitions. Word has length 104 [2024-11-19 10:34:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:40,156 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1035 transitions. [2024-11-19 10:34:40,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-19 10:34:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1035 transitions. [2024-11-19 10:34:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 10:34:40,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:40,161 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:40,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:34:40,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:40,362 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:40,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:40,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1569638871, now seen corresponding path program 1 times [2024-11-19 10:34:40,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:40,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619298668] [2024-11-19 10:34:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:40,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:40,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339337546] [2024-11-19 10:34:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:40,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:40,406 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) [2024-11-19 10:34:40,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:34:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:40,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:34:40,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:34:41,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:41,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:41,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619298668] [2024-11-19 10:34:41,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:41,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339337546] [2024-11-19 10:34:41,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339337546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:41,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:41,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:34:41,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836536899] [2024-11-19 10:34:41,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:41,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:34:41,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:41,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:34:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:34:41,482 INFO L87 Difference]: Start difference. First operand 766 states and 1035 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-19 10:34:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:42,486 INFO L93 Difference]: Finished difference Result 851 states and 1145 transitions. [2024-11-19 10:34:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:34:42,487 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 113 [2024-11-19 10:34:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:42,489 INFO L225 Difference]: With dead ends: 851 [2024-11-19 10:34:42,490 INFO L226 Difference]: Without dead ends: 848 [2024-11-19 10:34:42,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:34:42,490 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 202 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:42,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 467 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:34:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-19 10:34:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 831. [2024-11-19 10:34:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 671 states have (on average 1.2578241430700448) internal successors, (844), 687 states have internal predecessors, (844), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-19 10:34:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1126 transitions. [2024-11-19 10:34:42,616 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1126 transitions. Word has length 113 [2024-11-19 10:34:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:42,616 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1126 transitions. [2024-11-19 10:34:42,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-19 10:34:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1126 transitions. [2024-11-19 10:34:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 10:34:42,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:42,617 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:42,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:34:42,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:42,821 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:42,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1414164800, now seen corresponding path program 1 times [2024-11-19 10:34:42,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:42,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170380208] [2024-11-19 10:34:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:42,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545329735] [2024-11-19 10:34:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:42,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:42,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:42,862 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) [2024-11-19 10:34:42,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:34:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:42,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:34:42,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:34:43,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:34:44,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170380208] [2024-11-19 10:34:44,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:34:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545329735] [2024-11-19 10:34:44,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545329735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:34:44,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:34:44,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:34:44,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988264298] [2024-11-19 10:34:44,209 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:34:44,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:34:44,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:44,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:34:44,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:34:44,210 INFO L87 Difference]: Start difference. First operand 831 states and 1126 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-19 10:34:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:44,951 INFO L93 Difference]: Finished difference Result 855 states and 1143 transitions. [2024-11-19 10:34:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:34:44,954 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 114 [2024-11-19 10:34:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:44,957 INFO L225 Difference]: With dead ends: 855 [2024-11-19 10:34:44,957 INFO L226 Difference]: Without dead ends: 852 [2024-11-19 10:34:44,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:34:44,958 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 240 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:44,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 404 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:34:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-11-19 10:34:45,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 833. [2024-11-19 10:34:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 673 states have (on average 1.2481426448736999) internal successors, (840), 689 states have internal predecessors, (840), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-19 10:34:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1122 transitions. [2024-11-19 10:34:45,062 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1122 transitions. Word has length 114 [2024-11-19 10:34:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:45,065 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1122 transitions. [2024-11-19 10:34:45,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-19 10:34:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1122 transitions. [2024-11-19 10:34:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 10:34:45,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:45,066 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:45,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:34:45,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:45,267 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:45,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash 889435897, now seen corresponding path program 1 times [2024-11-19 10:34:45,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:45,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124838291] [2024-11-19 10:34:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-19 10:34:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:34:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124838291] [2024-11-19 10:34:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124838291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:34:45,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:34:45,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:34:45,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681468568] [2024-11-19 10:34:45,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:34:45,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:34:45,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:34:45,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:34:45,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:34:45,431 INFO L87 Difference]: Start difference. First operand 833 states and 1122 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-19 10:34:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:34:46,180 INFO L93 Difference]: Finished difference Result 837 states and 1122 transitions. [2024-11-19 10:34:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:34:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 115 [2024-11-19 10:34:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:34:46,185 INFO L225 Difference]: With dead ends: 837 [2024-11-19 10:34:46,185 INFO L226 Difference]: Without dead ends: 836 [2024-11-19 10:34:46,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:34:46,190 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:34:46,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 211 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:34:46,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-19 10:34:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 794. [2024-11-19 10:34:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 639 states have (on average 1.2394366197183098) internal successors, (792), 654 states have internal predecessors, (792), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-19 10:34:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1066 transitions. [2024-11-19 10:34:46,314 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1066 transitions. Word has length 115 [2024-11-19 10:34:46,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:34:46,314 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1066 transitions. [2024-11-19 10:34:46,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-19 10:34:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1066 transitions. [2024-11-19 10:34:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 10:34:46,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:34:46,315 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:34:46,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 10:34:46,320 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:34:46,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:34:46,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1802709090, now seen corresponding path program 1 times [2024-11-19 10:34:46,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:34:46,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200639545] [2024-11-19 10:34:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:34:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:34:46,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209300292] [2024-11-19 10:34:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:34:46,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:34:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:34:46,347 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) [2024-11-19 10:34:46,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:34:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:34:46,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:34:46,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:34:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:34:46,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:03,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200639545] [2024-11-19 10:35:03,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209300292] [2024-11-19 10:35:03,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209300292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:03,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:03,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:35:03,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208759726] [2024-11-19 10:35:03,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:03,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:35:03,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:03,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:35:03,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=219, Unknown=4, NotChecked=0, Total=272 [2024-11-19 10:35:03,344 INFO L87 Difference]: Start difference. First operand 794 states and 1066 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-19 10:35:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:04,367 INFO L93 Difference]: Finished difference Result 810 states and 1072 transitions. [2024-11-19 10:35:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:35:04,368 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-19 10:35:04,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:04,371 INFO L225 Difference]: With dead ends: 810 [2024-11-19 10:35:04,371 INFO L226 Difference]: Without dead ends: 803 [2024-11-19 10:35:04,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=94, Invalid=408, Unknown=4, NotChecked=0, Total=506 [2024-11-19 10:35:04,378 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 174 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:04,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 442 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:35:04,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-19 10:35:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 792. [2024-11-19 10:35:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 637 states have (on average 1.2291993720565149) internal successors, (783), 652 states have internal predecessors, (783), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-19 10:35:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1057 transitions. [2024-11-19 10:35:04,482 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1057 transitions. Word has length 116 [2024-11-19 10:35:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:04,483 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1057 transitions. [2024-11-19 10:35:04,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-19 10:35:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1057 transitions. [2024-11-19 10:35:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 10:35:04,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:04,487 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:04,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:35:04,688 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,SelfDestructingSolverStorable27 [2024-11-19 10:35:04,688 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:04,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash -767441840, now seen corresponding path program 2 times [2024-11-19 10:35:04,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:04,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937885786] [2024-11-19 10:35:04,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:04,713 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:04,718 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:04,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281488290] [2024-11-19 10:35:04,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:04,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:04,723 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) [2024-11-19 10:35:04,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:35:04,775 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:04,775 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:04,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:35:04,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:35:05,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:05,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937885786] [2024-11-19 10:35:05,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281488290] [2024-11-19 10:35:05,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281488290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:05,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:05,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:35:05,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295588200] [2024-11-19 10:35:05,506 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:05,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:35:05,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:05,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:35:05,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:35:05,507 INFO L87 Difference]: Start difference. First operand 792 states and 1057 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-19 10:35:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:06,427 INFO L93 Difference]: Finished difference Result 1124 states and 1525 transitions. [2024-11-19 10:35:06,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:35:06,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-19 10:35:06,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:06,435 INFO L225 Difference]: With dead ends: 1124 [2024-11-19 10:35:06,435 INFO L226 Difference]: Without dead ends: 1120 [2024-11-19 10:35:06,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:35:06,441 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 405 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:06,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 509 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:35:06,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-19 10:35:06,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 948. [2024-11-19 10:35:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 765 states have (on average 1.2169934640522875) internal successors, (931), 780 states have internal predecessors, (931), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-19 10:35:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1261 transitions. [2024-11-19 10:35:06,502 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1261 transitions. Word has length 116 [2024-11-19 10:35:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:06,503 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1261 transitions. [2024-11-19 10:35:06,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-19 10:35:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1261 transitions. [2024-11-19 10:35:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 10:35:06,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:06,505 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:06,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:35:06,705 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,SelfDestructingSolverStorable28 [2024-11-19 10:35:06,706 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:06,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash -638119105, now seen corresponding path program 2 times [2024-11-19 10:35:06,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:06,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804600487] [2024-11-19 10:35:06,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:06,727 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:06,728 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-19 10:35:06,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804600487] [2024-11-19 10:35:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804600487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:35:06,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:35:06,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:35:06,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092515070] [2024-11-19 10:35:06,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:35:06,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:35:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:35:06,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:35:06,815 INFO L87 Difference]: Start difference. First operand 948 states and 1261 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-19 10:35:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:07,515 INFO L93 Difference]: Finished difference Result 1275 states and 1707 transitions. [2024-11-19 10:35:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:35:07,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2024-11-19 10:35:07,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:07,519 INFO L225 Difference]: With dead ends: 1275 [2024-11-19 10:35:07,521 INFO L226 Difference]: Without dead ends: 622 [2024-11-19 10:35:07,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:35:07,524 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:07,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 157 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:35:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-19 10:35:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 585. [2024-11-19 10:35:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 466 states have (on average 1.2210300429184548) internal successors, (569), 481 states have internal predecessors, (569), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-19 10:35:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 771 transitions. [2024-11-19 10:35:07,608 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 771 transitions. Word has length 123 [2024-11-19 10:35:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:07,609 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 771 transitions. [2024-11-19 10:35:07,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-19 10:35:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 771 transitions. [2024-11-19 10:35:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 10:35:07,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:07,610 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:07,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 10:35:07,610 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:07,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:07,616 INFO L85 PathProgramCache]: Analyzing trace with hash 470018659, now seen corresponding path program 2 times [2024-11-19 10:35:07,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:07,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982948776] [2024-11-19 10:35:07,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:07,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:07,657 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:07,657 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449769605] [2024-11-19 10:35:07,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:07,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:07,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:07,664 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) [2024-11-19 10:35:07,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:35:07,743 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:07,743 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:07,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:35:07,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-19 10:35:08,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:08,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:08,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982948776] [2024-11-19 10:35:08,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:08,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449769605] [2024-11-19 10:35:08,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449769605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:08,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:08,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-19 10:35:08,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883513220] [2024-11-19 10:35:08,424 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:08,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:35:08,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:08,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:35:08,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:35:08,425 INFO L87 Difference]: Start difference. First operand 585 states and 771 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-19 10:35:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:09,174 INFO L93 Difference]: Finished difference Result 672 states and 883 transitions. [2024-11-19 10:35:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:35:09,175 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 151 [2024-11-19 10:35:09,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:09,177 INFO L225 Difference]: With dead ends: 672 [2024-11-19 10:35:09,178 INFO L226 Difference]: Without dead ends: 669 [2024-11-19 10:35:09,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:35:09,178 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 228 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:09,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 469 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:35:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-19 10:35:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 651. [2024-11-19 10:35:09,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 520 states have (on average 1.225) internal successors, (637), 535 states have internal predecessors, (637), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 10:35:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 863 transitions. [2024-11-19 10:35:09,218 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 863 transitions. Word has length 151 [2024-11-19 10:35:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:09,219 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 863 transitions. [2024-11-19 10:35:09,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-19 10:35:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 863 transitions. [2024-11-19 10:35:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:35:09,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:09,220 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:09,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:09,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:09,424 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:09,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1685676596, now seen corresponding path program 2 times [2024-11-19 10:35:09,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:09,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062334584] [2024-11-19 10:35:09,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:09,440 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:09,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:09,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683839772] [2024-11-19 10:35:09,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:09,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:09,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:09,444 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) [2024-11-19 10:35:09,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:35:09,494 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:09,494 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:09,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:35:09,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-19 10:35:10,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:10,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:10,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062334584] [2024-11-19 10:35:10,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:10,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683839772] [2024-11-19 10:35:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683839772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:10,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:10,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:35:10,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521468075] [2024-11-19 10:35:10,563 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:10,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:35:10,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:10,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:35:10,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:35:10,564 INFO L87 Difference]: Start difference. First operand 651 states and 863 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-19 10:35:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:10,996 INFO L93 Difference]: Finished difference Result 670 states and 877 transitions. [2024-11-19 10:35:10,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:35:10,997 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 152 [2024-11-19 10:35:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:11,001 INFO L225 Difference]: With dead ends: 670 [2024-11-19 10:35:11,001 INFO L226 Difference]: Without dead ends: 667 [2024-11-19 10:35:11,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:35:11,002 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 147 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:11,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 281 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:35:11,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-19 10:35:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 652. [2024-11-19 10:35:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 521 states have (on average 1.2130518234165066) internal successors, (632), 536 states have internal predecessors, (632), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 10:35:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 858 transitions. [2024-11-19 10:35:11,044 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 858 transitions. Word has length 152 [2024-11-19 10:35:11,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:11,044 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 858 transitions. [2024-11-19 10:35:11,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-19 10:35:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 858 transitions. [2024-11-19 10:35:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-19 10:35:11,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:11,045 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:11,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:35:11,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:11,249 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:11,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash 732539990, now seen corresponding path program 2 times [2024-11-19 10:35:11,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:11,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573829203] [2024-11-19 10:35:11,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:11,285 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:11,289 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:11,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033637388] [2024-11-19 10:35:11,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:11,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:11,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:11,292 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) [2024-11-19 10:35:11,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:35:11,349 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:11,349 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:11,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 10:35:11,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-19 10:35:12,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:13,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:13,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573829203] [2024-11-19 10:35:13,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:13,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033637388] [2024-11-19 10:35:13,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033637388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:13,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:13,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-19 10:35:13,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455099292] [2024-11-19 10:35:13,291 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:13,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:35:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:13,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:35:13,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:35:13,292 INFO L87 Difference]: Start difference. First operand 652 states and 858 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-19 10:35:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:14,101 INFO L93 Difference]: Finished difference Result 668 states and 864 transitions. [2024-11-19 10:35:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:35:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 154 [2024-11-19 10:35:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:14,104 INFO L225 Difference]: With dead ends: 668 [2024-11-19 10:35:14,107 INFO L226 Difference]: Without dead ends: 661 [2024-11-19 10:35:14,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-19 10:35:14,112 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 221 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:14,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 572 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:35:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-19 10:35:14,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 614. [2024-11-19 10:35:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 490 states have (on average 1.1979591836734693) internal successors, (587), 505 states have internal predecessors, (587), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 10:35:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 799 transitions. [2024-11-19 10:35:14,167 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 799 transitions. Word has length 154 [2024-11-19 10:35:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:14,170 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 799 transitions. [2024-11-19 10:35:14,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-19 10:35:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 799 transitions. [2024-11-19 10:35:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-19 10:35:14,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:14,171 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:14,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:14,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:14,373 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:14,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:14,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1837610940, now seen corresponding path program 3 times [2024-11-19 10:35:14,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:14,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287359881] [2024-11-19 10:35:14,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:14,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:14,428 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-19 10:35:14,429 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:14,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637212673] [2024-11-19 10:35:14,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:14,438 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) [2024-11-19 10:35:14,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:35:14,502 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:35:14,502 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:14,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:35:14,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-19 10:35:14,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:19,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:19,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287359881] [2024-11-19 10:35:19,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:19,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637212673] [2024-11-19 10:35:19,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637212673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:19,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:35:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618433002] [2024-11-19 10:35:19,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:19,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:35:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:19,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:35:19,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2024-11-19 10:35:19,137 INFO L87 Difference]: Start difference. First operand 614 states and 799 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 10:35:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:20,756 INFO L93 Difference]: Finished difference Result 753 states and 993 transitions. [2024-11-19 10:35:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:35:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 154 [2024-11-19 10:35:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:20,760 INFO L225 Difference]: With dead ends: 753 [2024-11-19 10:35:20,763 INFO L226 Difference]: Without dead ends: 749 [2024-11-19 10:35:20,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=96, Invalid=323, Unknown=1, NotChecked=0, Total=420 [2024-11-19 10:35:20,764 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 413 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:20,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 313 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 10:35:20,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-19 10:35:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 610. [2024-11-19 10:35:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 486 states have (on average 1.191358024691358) internal successors, (579), 501 states have internal predecessors, (579), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 10:35:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 791 transitions. [2024-11-19 10:35:20,859 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 791 transitions. Word has length 154 [2024-11-19 10:35:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:20,859 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 791 transitions. [2024-11-19 10:35:20,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 10:35:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 791 transitions. [2024-11-19 10:35:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-19 10:35:20,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:20,864 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:20,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:21,064 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,SelfDestructingSolverStorable33 [2024-11-19 10:35:21,065 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:21,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:21,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1135662868, now seen corresponding path program 3 times [2024-11-19 10:35:21,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:21,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791652578] [2024-11-19 10:35:21,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:21,110 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:35:21,114 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:21,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365342361] [2024-11-19 10:35:21,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:21,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:21,119 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) [2024-11-19 10:35:21,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:35:21,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:35:21,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:21,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:35:21,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-19 10:35:21,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:22,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:22,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791652578] [2024-11-19 10:35:22,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:22,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365342361] [2024-11-19 10:35:22,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365342361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:22,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:22,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:35:22,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913886029] [2024-11-19 10:35:22,366 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:22,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:35:22,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:22,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:35:22,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:35:22,367 INFO L87 Difference]: Start difference. First operand 610 states and 791 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 10:35:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:24,834 INFO L93 Difference]: Finished difference Result 631 states and 819 transitions. [2024-11-19 10:35:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:35:24,834 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 160 [2024-11-19 10:35:24,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:24,836 INFO L225 Difference]: With dead ends: 631 [2024-11-19 10:35:24,839 INFO L226 Difference]: Without dead ends: 628 [2024-11-19 10:35:24,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:35:24,840 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 123 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:24,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 333 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 10:35:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-19 10:35:24,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 607. [2024-11-19 10:35:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 486 states have (on average 1.1604938271604939) internal successors, (564), 498 states have internal predecessors, (564), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 10:35:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 776 transitions. [2024-11-19 10:35:24,909 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 776 transitions. Word has length 160 [2024-11-19 10:35:24,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:24,909 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 776 transitions. [2024-11-19 10:35:24,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 10:35:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 776 transitions. [2024-11-19 10:35:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-19 10:35:24,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:24,914 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:24,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:25,115 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,SelfDestructingSolverStorable34 [2024-11-19 10:35:25,115 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash -845810485, now seen corresponding path program 3 times [2024-11-19 10:35:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:25,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656313062] [2024-11-19 10:35:25,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:25,169 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:35:25,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:25,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619776351] [2024-11-19 10:35:25,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:25,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:25,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:25,182 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) [2024-11-19 10:35:25,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:35:25,282 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:35:25,282 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:25,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:35:25,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 82 proven. 55 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-19 10:35:26,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:26,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656313062] [2024-11-19 10:35:26,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619776351] [2024-11-19 10:35:26,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619776351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:26,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:26,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-19 10:35:26,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199194594] [2024-11-19 10:35:26,846 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:26,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:35:26,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:26,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:35:26,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:35:26,851 INFO L87 Difference]: Start difference. First operand 607 states and 776 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:35:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:29,738 INFO L93 Difference]: Finished difference Result 1013 states and 1328 transitions. [2024-11-19 10:35:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:35:29,739 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 161 [2024-11-19 10:35:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:29,749 INFO L225 Difference]: With dead ends: 1013 [2024-11-19 10:35:29,749 INFO L226 Difference]: Without dead ends: 1010 [2024-11-19 10:35:29,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:35:29,753 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 236 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:29,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 205 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 10:35:29,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-19 10:35:29,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 981. [2024-11-19 10:35:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 792 states have (on average 1.1767676767676767) internal successors, (932), 804 states have internal predecessors, (932), 174 states have call successors, (174), 2 states have call predecessors, (174), 2 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-19 10:35:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1280 transitions. [2024-11-19 10:35:29,883 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1280 transitions. Word has length 161 [2024-11-19 10:35:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:29,883 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1280 transitions. [2024-11-19 10:35:29,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:35:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1280 transitions. [2024-11-19 10:35:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 10:35:29,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:29,886 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:29,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-19 10:35:30,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-19 10:35:30,091 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:30,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:30,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1075055315, now seen corresponding path program 3 times [2024-11-19 10:35:30,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:30,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638574626] [2024-11-19 10:35:30,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:30,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:35:30,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:30,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169945315] [2024-11-19 10:35:30,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:30,121 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:30,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:35:30,172 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:35:30,172 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:30,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-19 10:35:30,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 66 proven. 70 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-19 10:35:30,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:30,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:30,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638574626] [2024-11-19 10:35:30,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:30,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169945315] [2024-11-19 10:35:30,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169945315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:30,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:30,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:35:30,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747091381] [2024-11-19 10:35:30,789 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:30,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:35:30,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:35:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:35:30,790 INFO L87 Difference]: Start difference. First operand 981 states and 1280 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-19 10:35:31,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:31,933 INFO L93 Difference]: Finished difference Result 988 states and 1286 transitions. [2024-11-19 10:35:31,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:35:31,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) Word has length 163 [2024-11-19 10:35:31,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:31,936 INFO L225 Difference]: With dead ends: 988 [2024-11-19 10:35:31,937 INFO L226 Difference]: Without dead ends: 963 [2024-11-19 10:35:31,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:35:31,940 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 179 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:31,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 156 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:35:31,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-19 10:35:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 895. [2024-11-19 10:35:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 723 states have (on average 1.120331950207469) internal successors, (810), 732 states have internal predecessors, (810), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-19 10:35:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1130 transitions. [2024-11-19 10:35:32,056 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1130 transitions. Word has length 163 [2024-11-19 10:35:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:32,056 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1130 transitions. [2024-11-19 10:35:32,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-19 10:35:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1130 transitions. [2024-11-19 10:35:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 10:35:32,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:32,062 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:32,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:35:32,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:32,266 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:32,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1302735145, now seen corresponding path program 2 times [2024-11-19 10:35:32,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:32,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558694276] [2024-11-19 10:35:32,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:32,289 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:32,289 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-19 10:35:32,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:32,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558694276] [2024-11-19 10:35:32,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558694276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:32,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365243812] [2024-11-19 10:35:32,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:32,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:32,475 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) [2024-11-19 10:35:32,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:35:32,579 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:32,579 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:32,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:35:32,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-19 10:35:32,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-19 10:35:33,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365243812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:35:33,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:35:33,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-19 10:35:33,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87418812] [2024-11-19 10:35:33,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:33,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:35:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:33,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:35:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:35:33,107 INFO L87 Difference]: Start difference. First operand 895 states and 1130 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-19 10:35:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:34,216 INFO L93 Difference]: Finished difference Result 1828 states and 2310 transitions. [2024-11-19 10:35:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:35:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) Word has length 212 [2024-11-19 10:35:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:34,222 INFO L225 Difference]: With dead ends: 1828 [2024-11-19 10:35:34,222 INFO L226 Difference]: Without dead ends: 1827 [2024-11-19 10:35:34,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:35:34,225 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 467 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:34,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 491 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:35:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-19 10:35:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1420. [2024-11-19 10:35:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1152 states have (on average 1.1614583333333333) internal successors, (1338), 1161 states have internal predecessors, (1338), 256 states have call successors, (256), 2 states have call predecessors, (256), 2 states have return successors, (256), 256 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-19 10:35:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1850 transitions. [2024-11-19 10:35:34,384 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1850 transitions. Word has length 212 [2024-11-19 10:35:34,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:34,384 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 1850 transitions. [2024-11-19 10:35:34,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-19 10:35:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1850 transitions. [2024-11-19 10:35:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-19 10:35:34,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:34,386 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:34,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-19 10:35:34,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:35:34,589 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1618550937, now seen corresponding path program 1 times [2024-11-19 10:35:34,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:34,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060527210] [2024-11-19 10:35:34,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:35:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:35:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-19 10:35:34,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:34,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060527210] [2024-11-19 10:35:34,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060527210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:34,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849513337] [2024-11-19 10:35:34,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:35:34,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:34,849 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:34,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:35:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:35:34,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:35:34,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-19 10:35:35,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-11-19 10:35:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849513337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:35:35,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:35:35,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-19 10:35:35,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526881096] [2024-11-19 10:35:35,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:35,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:35:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:35,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:35:35,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:35:35,388 INFO L87 Difference]: Start difference. First operand 1420 states and 1850 transitions. Second operand has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-19 10:35:36,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:36,589 INFO L93 Difference]: Finished difference Result 2187 states and 2890 transitions. [2024-11-19 10:35:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:35:36,590 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 227 [2024-11-19 10:35:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:36,594 INFO L225 Difference]: With dead ends: 2187 [2024-11-19 10:35:36,594 INFO L226 Difference]: Without dead ends: 1154 [2024-11-19 10:35:36,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 446 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:35:36,601 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 233 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:36,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 535 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:35:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-19 10:35:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1121. [2024-11-19 10:35:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 907 states have (on average 1.1841234840132304) internal successors, (1074), 916 states have internal predecessors, (1074), 202 states have call successors, (202), 2 states have call predecessors, (202), 2 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-19 10:35:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1478 transitions. [2024-11-19 10:35:36,746 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1478 transitions. Word has length 227 [2024-11-19 10:35:36,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:36,750 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1478 transitions. [2024-11-19 10:35:36,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-19 10:35:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1478 transitions. [2024-11-19 10:35:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-19 10:35:36,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:36,751 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:36,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:36,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-19 10:35:36,952 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:36,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash 342059287, now seen corresponding path program 2 times [2024-11-19 10:35:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126291203] [2024-11-19 10:35:36,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:36,974 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:36,974 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-19 10:35:37,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126291203] [2024-11-19 10:35:37,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126291203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478837695] [2024-11-19 10:35:37,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:37,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:37,131 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:37,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:35:37,192 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:37,192 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:37,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:35:37,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-19 10:35:37,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-19 10:35:37,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478837695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:35:37,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:35:37,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-19 10:35:37,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772726057] [2024-11-19 10:35:37,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:37,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:35:37,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:37,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:35:37,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=291, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:35:37,757 INFO L87 Difference]: Start difference. First operand 1121 states and 1478 transitions. Second operand has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-19 10:35:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:38,787 INFO L93 Difference]: Finished difference Result 2569 states and 3417 transitions. [2024-11-19 10:35:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:35:38,787 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) Word has length 227 [2024-11-19 10:35:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:38,795 INFO L225 Difference]: With dead ends: 2569 [2024-11-19 10:35:38,795 INFO L226 Difference]: Without dead ends: 2556 [2024-11-19 10:35:38,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=587, Invalid=973, Unknown=0, NotChecked=0, Total=1560 [2024-11-19 10:35:38,798 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1044 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:38,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 460 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:35:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2024-11-19 10:35:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 1470. [2024-11-19 10:35:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1192 states have (on average 1.1736577181208054) internal successors, (1399), 1201 states have internal predecessors, (1399), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-19 10:35:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1931 transitions. [2024-11-19 10:35:39,002 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1931 transitions. Word has length 227 [2024-11-19 10:35:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:39,002 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1931 transitions. [2024-11-19 10:35:39,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-19 10:35:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1931 transitions. [2024-11-19 10:35:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-19 10:35:39,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:39,004 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-19 10:35:39,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-19 10:35:39,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-19 10:35:39,204 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:39,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:39,205 INFO L85 PathProgramCache]: Analyzing trace with hash 638648667, now seen corresponding path program 1 times [2024-11-19 10:35:39,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:39,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377957648] [2024-11-19 10:35:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:35:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:35:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-19 10:35:39,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:39,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377957648] [2024-11-19 10:35:39,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377957648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:39,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223758449] [2024-11-19 10:35:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:35:39,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:39,365 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:39,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:35:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:35:39,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:35:39,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 140 proven. 157 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-19 10:35:39,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-19 10:35:39,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223758449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:35:39,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:35:39,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-19 10:35:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209386962] [2024-11-19 10:35:39,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:39,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:35:39,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:35:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:35:39,980 INFO L87 Difference]: Start difference. First operand 1470 states and 1931 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-19 10:35:41,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:41,220 INFO L93 Difference]: Finished difference Result 2755 states and 3633 transitions. [2024-11-19 10:35:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:35:41,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 239 [2024-11-19 10:35:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:41,233 INFO L225 Difference]: With dead ends: 2755 [2024-11-19 10:35:41,233 INFO L226 Difference]: Without dead ends: 1834 [2024-11-19 10:35:41,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 472 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:35:41,236 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 208 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:41,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 578 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:35:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2024-11-19 10:35:41,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1713. [2024-11-19 10:35:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1391 states have (on average 1.164629762760604) internal successors, (1620), 1400 states have internal predecessors, (1620), 310 states have call successors, (310), 2 states have call predecessors, (310), 2 states have return successors, (310), 310 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-19 10:35:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2240 transitions. [2024-11-19 10:35:41,497 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2240 transitions. Word has length 239 [2024-11-19 10:35:41,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:41,497 INFO L471 AbstractCegarLoop]: Abstraction has 1713 states and 2240 transitions. [2024-11-19 10:35:41,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-19 10:35:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2240 transitions. [2024-11-19 10:35:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-19 10:35:41,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:41,499 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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] [2024-11-19 10:35:41,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:41,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:41,701 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:41,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:41,701 INFO L85 PathProgramCache]: Analyzing trace with hash 946345191, now seen corresponding path program 2 times [2024-11-19 10:35:41,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:41,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224339053] [2024-11-19 10:35:41,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:41,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:41,727 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:41,727 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:41,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116426713] [2024-11-19 10:35:41,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:35:41,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:41,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:41,731 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:41,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:35:41,819 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:35:41,819 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:41,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:35:41,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 10 proven. 309 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-19 10:35:42,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:43,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:43,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224339053] [2024-11-19 10:35:43,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:43,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116426713] [2024-11-19 10:35:43,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116426713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:43,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:43,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-19 10:35:43,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623384696] [2024-11-19 10:35:43,288 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:43,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:35:43,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:43,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:35:43,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:35:43,289 INFO L87 Difference]: Start difference. First operand 1713 states and 2240 transitions. Second operand has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-19 10:35:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:45,060 INFO L93 Difference]: Finished difference Result 2555 states and 3374 transitions. [2024-11-19 10:35:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:35:45,061 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) Word has length 277 [2024-11-19 10:35:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:45,069 INFO L225 Difference]: With dead ends: 2555 [2024-11-19 10:35:45,069 INFO L226 Difference]: Without dead ends: 1580 [2024-11-19 10:35:45,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=925, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:35:45,073 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 386 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:45,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1074 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2177 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:35:45,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-19 10:35:45,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1522. [2024-11-19 10:35:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1235 states have (on average 1.1562753036437248) internal successors, (1428), 1244 states have internal predecessors, (1428), 275 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 275 states have call predecessors, (275), 275 states have call successors, (275) [2024-11-19 10:35:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1978 transitions. [2024-11-19 10:35:45,276 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1978 transitions. Word has length 277 [2024-11-19 10:35:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:45,277 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 1978 transitions. [2024-11-19 10:35:45,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-19 10:35:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1978 transitions. [2024-11-19 10:35:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-19 10:35:45,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:45,278 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:45,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:45,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-19 10:35:45,479 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:45,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:45,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1393094048, now seen corresponding path program 4 times [2024-11-19 10:35:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220986868] [2024-11-19 10:35:45,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:35:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:45,515 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:35:45,515 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:45,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545481649] [2024-11-19 10:35:45,517 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:35:45,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:45,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:45,523 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:45,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:35:45,599 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:35:45,599 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:45,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:35:45,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 3 proven. 285 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-11-19 10:35:46,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:46,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220986868] [2024-11-19 10:35:46,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545481649] [2024-11-19 10:35:46,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545481649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:46,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:46,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-19 10:35:46,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575674374] [2024-11-19 10:35:46,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:46,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:35:46,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:46,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:35:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:35:46,857 INFO L87 Difference]: Start difference. First operand 1522 states and 1978 transitions. Second operand has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-19 10:35:47,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:47,502 INFO L93 Difference]: Finished difference Result 1568 states and 2029 transitions. [2024-11-19 10:35:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:35:47,503 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) Word has length 284 [2024-11-19 10:35:47,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:47,506 INFO L225 Difference]: With dead ends: 1568 [2024-11-19 10:35:47,506 INFO L226 Difference]: Without dead ends: 1474 [2024-11-19 10:35:47,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:35:47,507 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 118 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:47,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 389 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:35:47,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-19 10:35:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1473. [2024-11-19 10:35:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 1195 states have (on average 1.1606694560669457) internal successors, (1387), 1204 states have internal predecessors, (1387), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-19 10:35:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1919 transitions. [2024-11-19 10:35:47,729 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1919 transitions. Word has length 284 [2024-11-19 10:35:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:47,730 INFO L471 AbstractCegarLoop]: Abstraction has 1473 states and 1919 transitions. [2024-11-19 10:35:47,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-19 10:35:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1919 transitions. [2024-11-19 10:35:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-19 10:35:47,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:47,733 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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] [2024-11-19 10:35:47,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:47,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:47,937 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:47,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash -799006861, now seen corresponding path program 3 times [2024-11-19 10:35:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:47,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137754508] [2024-11-19 10:35:47,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:47,971 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-11-19 10:35:47,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:47,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919278596] [2024-11-19 10:35:47,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:35:47,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:47,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:47,974 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:47,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:35:48,026 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:35:48,027 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:48,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:35:48,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2311 backedges. 295 proven. 41 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2024-11-19 10:35:48,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:48,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137754508] [2024-11-19 10:35:48,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:48,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919278596] [2024-11-19 10:35:48,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919278596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:48,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:48,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-19 10:35:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964008963] [2024-11-19 10:35:48,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:48,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:35:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:48,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:35:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:35:48,816 INFO L87 Difference]: Start difference. First operand 1473 states and 1919 transitions. Second operand has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:35:49,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:49,726 INFO L93 Difference]: Finished difference Result 1476 states and 1921 transitions. [2024-11-19 10:35:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:35:49,727 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 315 [2024-11-19 10:35:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:49,730 INFO L225 Difference]: With dead ends: 1476 [2024-11-19 10:35:49,730 INFO L226 Difference]: Without dead ends: 1472 [2024-11-19 10:35:49,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:35:49,731 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 128 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:49,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 353 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:35:49,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-19 10:35:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1469. [2024-11-19 10:35:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1195 states have (on average 1.0820083682008368) internal successors, (1293), 1200 states have internal predecessors, (1293), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-19 10:35:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1825 transitions. [2024-11-19 10:35:49,937 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1825 transitions. Word has length 315 [2024-11-19 10:35:49,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:49,937 INFO L471 AbstractCegarLoop]: Abstraction has 1469 states and 1825 transitions. [2024-11-19 10:35:49,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:35:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1825 transitions. [2024-11-19 10:35:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-19 10:35:49,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:49,946 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:49,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-19 10:35:50,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-19 10:35:50,149 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:50,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:50,150 INFO L85 PathProgramCache]: Analyzing trace with hash -285856364, now seen corresponding path program 5 times [2024-11-19 10:35:50,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:50,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080785005] [2024-11-19 10:35:50,150 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:35:50,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:50,212 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-11-19 10:35:50,217 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:50,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022160306] [2024-11-19 10:35:50,222 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:35:50,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:50,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:50,224 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:50,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:35:50,314 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-11-19 10:35:50,314 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:50,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 10:35:50,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 0 proven. 393 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2024-11-19 10:35:51,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:35:51,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:35:51,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080785005] [2024-11-19 10:35:51,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:35:51,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022160306] [2024-11-19 10:35:51,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022160306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:35:51,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:35:51,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-19 10:35:51,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224754826] [2024-11-19 10:35:51,665 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:35:51,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:35:51,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:35:51,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:35:51,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:35:51,667 INFO L87 Difference]: Start difference. First operand 1469 states and 1825 transitions. Second operand has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2024-11-19 10:35:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:35:53,371 INFO L93 Difference]: Finished difference Result 1515 states and 1876 transitions. [2024-11-19 10:35:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:35:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) Word has length 322 [2024-11-19 10:35:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:35:53,378 INFO L225 Difference]: With dead ends: 1515 [2024-11-19 10:35:53,378 INFO L226 Difference]: Without dead ends: 1470 [2024-11-19 10:35:53,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=216, Invalid=1676, Unknown=0, NotChecked=0, Total=1892 [2024-11-19 10:35:53,381 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 245 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:35:53,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 897 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:35:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-11-19 10:35:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1469. [2024-11-19 10:35:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1195 states have (on average 1.0811715481171549) internal successors, (1292), 1200 states have internal predecessors, (1292), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-19 10:35:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1824 transitions. [2024-11-19 10:35:53,646 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1824 transitions. Word has length 322 [2024-11-19 10:35:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:35:53,646 INFO L471 AbstractCegarLoop]: Abstraction has 1469 states and 1824 transitions. [2024-11-19 10:35:53,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.090909090909091) internal successors, (156), 23 states have internal predecessors, (156), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2024-11-19 10:35:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1824 transitions. [2024-11-19 10:35:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-19 10:35:53,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:35:53,648 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:35:53,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-19 10:35:53,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:53,849 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:35:53,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:35:53,850 INFO L85 PathProgramCache]: Analyzing trace with hash 29599584, now seen corresponding path program 6 times [2024-11-19 10:35:53,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:35:53,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696678156] [2024-11-19 10:35:53,850 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:35:53,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:35:53,878 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-11-19 10:35:53,879 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:35:53,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997182942] [2024-11-19 10:35:53,880 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:35:53,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:35:53,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:35:53,881 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:35:53,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:35:54,029 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-19 10:35:54,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:35:54,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 10:35:54,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:35:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 339 proven. 363 refuted. 0 times theorem prover too weak. 2344 trivial. 0 not checked. [2024-11-19 10:35:55,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:36:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:36:00,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696678156] [2024-11-19 10:36:00,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:36:00,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997182942] [2024-11-19 10:36:00,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997182942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:36:00,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:36:00,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-19 10:36:00,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10250314] [2024-11-19 10:36:00,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:36:00,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:36:00,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:36:00,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:36:00,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=320, Unknown=1, NotChecked=0, Total=380 [2024-11-19 10:36:00,512 INFO L87 Difference]: Start difference. First operand 1469 states and 1824 transitions. Second operand has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 14 states have internal predecessors, (90), 5 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18)