./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/prod4br-ll_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:25:53,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:25:53,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:25:53,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:25:53,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:25:53,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:25:53,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:25:53,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:25:53,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:25:53,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:25:53,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:25:53,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:25:53,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:25:53,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:25:53,584 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:25:53,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:25:53,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:25:53,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:25:53,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:25:53,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:25:53,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:25:53,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:25:53,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:25:53,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:25:53,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:25:53,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:25:53,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:25:53,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:25:53,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:25:53,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:25:53,588 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:25:53,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:25:53,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:25:53,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:25:53,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:25:53,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:25:53,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:25:53,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:25:53,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:25:53,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:25:53,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:25:53,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:25:53,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:25:53,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:25:53,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2024-11-10 19:25:53,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:25:53,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:25:53,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:25:53,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:25:53,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:25:53,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-11-10 19:25:55,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:25:55,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:25:55,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-11-10 19:25:55,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb345cac0/06828bd65bf84308a686e5c18ef558d2/FLAG1dacee2d6 [2024-11-10 19:25:55,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb345cac0/06828bd65bf84308a686e5c18ef558d2 [2024-11-10 19:25:55,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:25:55,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:25:55,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:25:55,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:25:55,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:25:55,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b97a843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55, skipping insertion in model container [2024-11-10 19:25:55,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:25:55,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:25:55,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:25:55,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:25:55,690 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:25:55,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55 WrapperNode [2024-11-10 19:25:55,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:25:55,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:25:55,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:25:55,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:25:55,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,727 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-10 19:25:55,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:25:55,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:25:55,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:25:55,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:25:55,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,750 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]. [2024-11-10 19:25:55,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:25:55,758 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:25:55,759 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:25:55,759 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:25:55,759 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (1/1) ... [2024-11-10 19:25:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:25:55,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:55,791 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) [2024-11-10 19:25:55,805 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 [2024-11-10 19:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:25:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:25:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:25:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:25:55,929 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:25:55,932 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:25:56,343 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-10 19:25:56,344 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:25:56,359 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:25:56,359 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:25:56,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:25:56 BoogieIcfgContainer [2024-11-10 19:25:56,360 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:25:56,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:25:56,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:25:56,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:25:56,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:25:55" (1/3) ... [2024-11-10 19:25:56,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680fbdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:25:56, skipping insertion in model container [2024-11-10 19:25:56,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:55" (2/3) ... [2024-11-10 19:25:56,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680fbdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:25:56, skipping insertion in model container [2024-11-10 19:25:56,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:25:56" (3/3) ... [2024-11-10 19:25:56,372 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2024-11-10 19:25:56,390 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:25:56,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-10 19:25:56,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:25:56,476 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;@6e6195a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:25:56,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-10 19:25:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:25:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:25:56,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:56,489 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:56,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:56,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1611369190, now seen corresponding path program 1 times [2024-11-10 19:25:56,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:56,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549438823] [2024-11-10 19:25:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:56,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:56,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549438823] [2024-11-10 19:25:56,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549438823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:56,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:56,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:25:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175957913] [2024-11-10 19:25:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:56,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:25:56,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:56,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:25:56,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:25:56,679 INFO L87 Difference]: Start difference. First operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:56,703 INFO L93 Difference]: Finished difference Result 244 states and 271 transitions. [2024-11-10 19:25:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:25:56,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 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 [2024-11-10 19:25:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:56,714 INFO L225 Difference]: With dead ends: 244 [2024-11-10 19:25:56,714 INFO L226 Difference]: Without dead ends: 117 [2024-11-10 19:25:56,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:25:56,724 INFO L432 NwaCegarLoop]: 130 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, 130 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 [2024-11-10 19:25:56,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:25:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-10 19:25:56,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-10 19:25:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.661764705882353) internal successors, (113), 109 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:25:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2024-11-10 19:25:56,767 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 21 [2024-11-10 19:25:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:56,767 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2024-11-10 19:25:56,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2024-11-10 19:25:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:25:56,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:56,769 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:56,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:25:56,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:56,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:56,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1606678862, now seen corresponding path program 1 times [2024-11-10 19:25:56,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:56,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769187012] [2024-11-10 19:25:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:56,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:56,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877887926] [2024-11-10 19:25:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:56,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:56,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:56,811 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) [2024-11-10 19:25:56,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:25:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:25:56,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:25:57,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:57,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769187012] [2024-11-10 19:25:57,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:57,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877887926] [2024-11-10 19:25:57,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877887926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:57,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:25:57,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:25:57,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189027068] [2024-11-10 19:25:57,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:57,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:57,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:57,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:57,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:25:57,208 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:57,730 INFO L93 Difference]: Finished difference Result 164 states and 185 transitions. [2024-11-10 19:25:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:25:57,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-10 19:25:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:57,733 INFO L225 Difference]: With dead ends: 164 [2024-11-10 19:25:57,735 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 19:25:57,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:25:57,737 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 319 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:57,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 239 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:25:57,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 19:25:57,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 143. [2024-11-10 19:25:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.574468085106383) internal successors, (148), 133 states have internal predecessors, (148), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:25:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 162 transitions. [2024-11-10 19:25:57,756 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 162 transitions. Word has length 22 [2024-11-10 19:25:57,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:57,757 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 162 transitions. [2024-11-10 19:25:57,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 162 transitions. [2024-11-10 19:25:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:25:57,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:57,758 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:57,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:25:57,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:57,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:57,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:57,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1732562756, now seen corresponding path program 1 times [2024-11-10 19:25:57,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:57,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977416424] [2024-11-10 19:25:57,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:57,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766333921] [2024-11-10 19:25:57,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:57,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:57,981 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) [2024-11-10 19:25:57,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:25:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:25:58,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:58,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:58,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977416424] [2024-11-10 19:25:58,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766333921] [2024-11-10 19:25:58,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766333921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:58,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:58,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:25:58,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810872835] [2024-11-10 19:25:58,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:58,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:25:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:25:58,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:25:58,153 INFO L87 Difference]: Start difference. First operand 143 states and 162 transitions. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:25:58,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:58,497 INFO L93 Difference]: Finished difference Result 198 states and 236 transitions. [2024-11-10 19:25:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:25:58,497 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2024-11-10 19:25:58,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:58,499 INFO L225 Difference]: With dead ends: 198 [2024-11-10 19:25:58,499 INFO L226 Difference]: Without dead ends: 181 [2024-11-10 19:25:58,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:25:58,500 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 194 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:58,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 240 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-10 19:25:58,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2024-11-10 19:25:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.52) internal successors, (190), 162 states have internal predecessors, (190), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:25:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 206 transitions. [2024-11-10 19:25:58,522 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 206 transitions. Word has length 23 [2024-11-10 19:25:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:58,522 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 206 transitions. [2024-11-10 19:25:58,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:25:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 206 transitions. [2024-11-10 19:25:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:25:58,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:58,523 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:58,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:58,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:25:58,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:58,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:58,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2125129484, now seen corresponding path program 1 times [2024-11-10 19:25:58,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:58,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383122551] [2024-11-10 19:25:58,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:58,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:58,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130829245] [2024-11-10 19:25:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:58,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:58,746 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) [2024-11-10 19:25:58,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:25:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:25:58,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:25:58,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:59,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:59,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383122551] [2024-11-10 19:25:59,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130829245] [2024-11-10 19:25:59,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130829245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:59,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:25:59,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:25:59,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050613867] [2024-11-10 19:25:59,286 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:59,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:59,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:59,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:59,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:25:59,288 INFO L87 Difference]: Start difference. First operand 173 states and 206 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:59,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:59,607 INFO L93 Difference]: Finished difference Result 184 states and 216 transitions. [2024-11-10 19:25:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:25:59,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2024-11-10 19:25:59,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:59,609 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:25:59,609 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:25:59,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:25:59,610 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 293 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:59,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 255 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:59,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:25:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-10 19:25:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.512) internal successors, (189), 162 states have internal predecessors, (189), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:25:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2024-11-10 19:25:59,632 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 24 [2024-11-10 19:25:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:59,633 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2024-11-10 19:25:59,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2024-11-10 19:25:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:25:59,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:59,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:59,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:59,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:59,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:59,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:59,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1454504634, now seen corresponding path program 1 times [2024-11-10 19:25:59,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:59,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231069276] [2024-11-10 19:25:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:59,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:59,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155582233] [2024-11-10 19:25:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:59,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:59,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:59,864 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) [2024-11-10 19:25:59,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:25:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:25:59,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:00,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:00,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:00,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231069276] [2024-11-10 19:26:00,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:00,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155582233] [2024-11-10 19:26:00,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155582233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:00,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:00,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:26:00,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174115909] [2024-11-10 19:26:00,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:00,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:26:00,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:26:00,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:26:00,060 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:26:00,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:00,384 INFO L93 Difference]: Finished difference Result 184 states and 215 transitions. [2024-11-10 19:26:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:00,385 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2024-11-10 19:26:00,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:00,387 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:26:00,387 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:26:00,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:26:00,388 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:00,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 269 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:26:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:26:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-10 19:26:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.504) internal successors, (188), 162 states have internal predecessors, (188), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:26:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 204 transitions. [2024-11-10 19:26:00,398 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 204 transitions. Word has length 25 [2024-11-10 19:26:00,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:00,398 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 204 transitions. [2024-11-10 19:26:00,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:26:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 204 transitions. [2024-11-10 19:26:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:26:00,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:00,399 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] [2024-11-10 19:26:00,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:00,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:00,604 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:00,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2139970762, now seen corresponding path program 1 times [2024-11-10 19:26:00,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:00,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723740751] [2024-11-10 19:26:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:00,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:00,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:00,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:00,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:00,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723740751] [2024-11-10 19:26:00,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723740751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:00,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:00,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:00,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149262478] [2024-11-10 19:26:00,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:00,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:00,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:00,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:00,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:00,738 INFO L87 Difference]: Start difference. First operand 173 states and 204 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-10 19:26:01,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:01,773 INFO L93 Difference]: Finished difference Result 253 states and 296 transitions. [2024-11-10 19:26:01,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:01,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 26 [2024-11-10 19:26:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:01,775 INFO L225 Difference]: With dead ends: 253 [2024-11-10 19:26:01,775 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 19:26:01,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:01,776 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:01,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 200 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:26:01,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 19:26:01,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-10 19:26:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4863013698630136) internal successors, (217), 183 states have internal predecessors, (217), 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) [2024-11-10 19:26:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 235 transitions. [2024-11-10 19:26:01,797 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 235 transitions. Word has length 26 [2024-11-10 19:26:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:01,798 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 235 transitions. [2024-11-10 19:26:01,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-10 19:26:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 235 transitions. [2024-11-10 19:26:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:26:01,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:01,798 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] [2024-11-10 19:26:01,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:26:01,799 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:01,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:01,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1914584248, now seen corresponding path program 1 times [2024-11-10 19:26:01,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:01,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437641492] [2024-11-10 19:26:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:01,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:02,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:02,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:02,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437641492] [2024-11-10 19:26:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437641492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:02,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:02,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493043908] [2024-11-10 19:26:02,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:02,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:02,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:02,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:02,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:02,099 INFO L87 Difference]: Start difference. First operand 195 states and 235 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (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) [2024-11-10 19:26:03,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:03,326 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2024-11-10 19:26:03,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:03,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (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 27 [2024-11-10 19:26:03,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:03,328 INFO L225 Difference]: With dead ends: 253 [2024-11-10 19:26:03,328 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 19:26:03,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:03,329 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:03,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 173 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:26:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 19:26:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-10 19:26:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4726027397260273) internal successors, (215), 183 states have internal predecessors, (215), 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) [2024-11-10 19:26:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2024-11-10 19:26:03,339 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 27 [2024-11-10 19:26:03,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:03,339 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2024-11-10 19:26:03,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (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) [2024-11-10 19:26:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2024-11-10 19:26:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:26:03,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:03,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:03,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:26:03,341 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:03,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:03,341 INFO L85 PathProgramCache]: Analyzing trace with hash 281023070, now seen corresponding path program 1 times [2024-11-10 19:26:03,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:03,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846433869] [2024-11-10 19:26:03,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:03,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:03,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332516717] [2024-11-10 19:26:03,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:03,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:03,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:03,394 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) [2024-11-10 19:26:03,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:26:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:03,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:26:03,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:03,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:03,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:03,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846433869] [2024-11-10 19:26:03,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:03,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332516717] [2024-11-10 19:26:03,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332516717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:03,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:03,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057567361] [2024-11-10 19:26:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:03,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:03,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:03,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:03,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:03,540 INFO L87 Difference]: Start difference. First operand 195 states and 233 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:03,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:03,861 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2024-11-10 19:26:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:03,862 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2024-11-10 19:26:03,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:03,863 INFO L225 Difference]: With dead ends: 264 [2024-11-10 19:26:03,863 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 19:26:03,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:26:03,864 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 183 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:03,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 135 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:26:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 19:26:03,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 239. [2024-11-10 19:26:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 189 states have (on average 1.470899470899471) internal successors, (278), 226 states have internal predecessors, (278), 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) [2024-11-10 19:26:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 298 transitions. [2024-11-10 19:26:03,874 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 298 transitions. Word has length 41 [2024-11-10 19:26:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:03,874 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 298 transitions. [2024-11-10 19:26:03,874 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 298 transitions. [2024-11-10 19:26:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:26:03,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:03,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:03,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:04,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:04,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:04,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:04,077 INFO L85 PathProgramCache]: Analyzing trace with hash 121780581, now seen corresponding path program 1 times [2024-11-10 19:26:04,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:04,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632685775] [2024-11-10 19:26:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:04,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057536171] [2024-11-10 19:26:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:04,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:04,110 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) [2024-11-10 19:26:04,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:26:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:04,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:26:04,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:04,229 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:04,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632685775] [2024-11-10 19:26:04,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:04,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057536171] [2024-11-10 19:26:04,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057536171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:04,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:04,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:04,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843506344] [2024-11-10 19:26:04,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:04,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:04,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:04,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:04,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:04,233 INFO L87 Difference]: Start difference. First operand 239 states and 298 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:04,455 INFO L93 Difference]: Finished difference Result 352 states and 461 transitions. [2024-11-10 19:26:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:04,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-10 19:26:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:04,457 INFO L225 Difference]: With dead ends: 352 [2024-11-10 19:26:04,457 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:26:04,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:26:04,458 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 236 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:04,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 93 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:26:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:26:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 324. [2024-11-10 19:26:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.5) internal successors, (408), 309 states have internal predecessors, (408), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 432 transitions. [2024-11-10 19:26:04,470 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 432 transitions. Word has length 42 [2024-11-10 19:26:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:04,470 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 432 transitions. [2024-11-10 19:26:04,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 432 transitions. [2024-11-10 19:26:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:26:04,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:04,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:04,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:04,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:04,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash 190612718, now seen corresponding path program 1 times [2024-11-10 19:26:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580056086] [2024-11-10 19:26:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876110544] [2024-11-10 19:26:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:04,696 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) [2024-11-10 19:26:04,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:26:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:04,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:26:04,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:04,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:04,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:04,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580056086] [2024-11-10 19:26:04,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:04,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876110544] [2024-11-10 19:26:04,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876110544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:04,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:04,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485043478] [2024-11-10 19:26:04,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:04,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:04,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:04,827 INFO L87 Difference]: Start difference. First operand 324 states and 432 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 19:26:05,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:05,040 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2024-11-10 19:26:05,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:05,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 42 [2024-11-10 19:26:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:05,043 INFO L225 Difference]: With dead ends: 337 [2024-11-10 19:26:05,044 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:26:05,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:26:05,044 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 168 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:05,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 132 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:26:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:26:05,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2024-11-10 19:26:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.4963235294117647) internal successors, (407), 309 states have internal predecessors, (407), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 431 transitions. [2024-11-10 19:26:05,057 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 431 transitions. Word has length 42 [2024-11-10 19:26:05,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:05,058 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 431 transitions. [2024-11-10 19:26:05,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 19:26:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 431 transitions. [2024-11-10 19:26:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:26:05,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:05,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:05,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:05,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:05,264 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:05,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash -519769284, now seen corresponding path program 1 times [2024-11-10 19:26:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023006265] [2024-11-10 19:26:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:05,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:05,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023006265] [2024-11-10 19:26:05,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023006265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:05,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:05,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:05,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366468992] [2024-11-10 19:26:05,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:05,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:05,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:05,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:05,385 INFO L87 Difference]: Start difference. First operand 324 states and 431 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 19:26:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:05,863 INFO L93 Difference]: Finished difference Result 408 states and 529 transitions. [2024-11-10 19:26:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 43 [2024-11-10 19:26:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:05,865 INFO L225 Difference]: With dead ends: 408 [2024-11-10 19:26:05,865 INFO L226 Difference]: Without dead ends: 407 [2024-11-10 19:26:05,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:05,866 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:05,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 214 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:26:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-10 19:26:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 335. [2024-11-10 19:26:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 320 states have internal predecessors, (421), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 445 transitions. [2024-11-10 19:26:05,880 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 445 transitions. Word has length 43 [2024-11-10 19:26:05,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:05,880 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 445 transitions. [2024-11-10 19:26:05,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 19:26:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 445 transitions. [2024-11-10 19:26:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:26:05,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:05,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:05,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 19:26:05,883 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:05,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:05,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1614026979, now seen corresponding path program 1 times [2024-11-10 19:26:05,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:05,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483238326] [2024-11-10 19:26:05,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:05,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663948814] [2024-11-10 19:26:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:05,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:05,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:05,906 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) [2024-11-10 19:26:05,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:26:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:05,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:26:05,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:06,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:06,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:06,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483238326] [2024-11-10 19:26:06,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:06,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663948814] [2024-11-10 19:26:06,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663948814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:06,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:06,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:06,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842461999] [2024-11-10 19:26:06,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:06,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:06,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:06,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:06,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:06,026 INFO L87 Difference]: Start difference. First operand 335 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 19:26:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:06,264 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2024-11-10 19:26:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:06,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 43 [2024-11-10 19:26:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:06,267 INFO L225 Difference]: With dead ends: 354 [2024-11-10 19:26:06,267 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 19:26:06,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:26:06,268 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 226 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:06,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 96 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:26:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 19:26:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 332. [2024-11-10 19:26:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 280 states have (on average 1.4642857142857142) internal successors, (410), 317 states have internal predecessors, (410), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 434 transitions. [2024-11-10 19:26:06,280 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 434 transitions. Word has length 43 [2024-11-10 19:26:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:06,280 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 434 transitions. [2024-11-10 19:26:06,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-10 19:26:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 434 transitions. [2024-11-10 19:26:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:26:06,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:06,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:06,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:06,481 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,SelfDestructingSolverStorable11 [2024-11-10 19:26:06,483 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:06,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:06,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1067021379, now seen corresponding path program 1 times [2024-11-10 19:26:06,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:06,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131551157] [2024-11-10 19:26:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:06,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:06,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:06,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131551157] [2024-11-10 19:26:06,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131551157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:06,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:06,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:06,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027017008] [2024-11-10 19:26:06,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:06,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:06,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:06,659 INFO L87 Difference]: Start difference. First operand 332 states and 434 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-10 19:26:07,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:07,621 INFO L93 Difference]: Finished difference Result 406 states and 516 transitions. [2024-11-10 19:26:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:07,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 44 [2024-11-10 19:26:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:07,623 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:26:07,623 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:26:07,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:07,624 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:07,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 219 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:26:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:26:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 334. [2024-11-10 19:26:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 282 states have (on average 1.4609929078014185) internal successors, (412), 319 states have internal predecessors, (412), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 436 transitions. [2024-11-10 19:26:07,636 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 436 transitions. Word has length 44 [2024-11-10 19:26:07,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:07,637 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 436 transitions. [2024-11-10 19:26:07,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-10 19:26:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 436 transitions. [2024-11-10 19:26:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:26:07,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:07,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:07,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:26:07,638 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:07,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:07,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1504771188, now seen corresponding path program 1 times [2024-11-10 19:26:07,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:07,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099336393] [2024-11-10 19:26:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:07,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:07,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:07,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099336393] [2024-11-10 19:26:07,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099336393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:07,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:07,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:07,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794135858] [2024-11-10 19:26:07,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:07,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:07,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:07,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:07,701 INFO L87 Difference]: Start difference. First operand 334 states and 436 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-10 19:26:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:08,523 INFO L93 Difference]: Finished difference Result 406 states and 514 transitions. [2024-11-10 19:26:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:08,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 44 [2024-11-10 19:26:08,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:08,525 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:26:08,525 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:26:08,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:08,526 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:08,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 257 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:26:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:26:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 346. [2024-11-10 19:26:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 294 states have (on average 1.4557823129251701) internal successors, (428), 331 states have internal predecessors, (428), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 452 transitions. [2024-11-10 19:26:08,537 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 452 transitions. Word has length 44 [2024-11-10 19:26:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:08,537 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 452 transitions. [2024-11-10 19:26:08,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-10 19:26:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 452 transitions. [2024-11-10 19:26:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:26:08,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:08,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:08,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:26:08,538 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:08,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash 596733441, now seen corresponding path program 1 times [2024-11-10 19:26:08,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661902105] [2024-11-10 19:26:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:08,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:08,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661902105] [2024-11-10 19:26:08,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661902105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:08,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:08,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168623411] [2024-11-10 19:26:08,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:08,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:08,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:08,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:08,642 INFO L87 Difference]: Start difference. First operand 346 states and 452 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-10 19:26:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:09,470 INFO L93 Difference]: Finished difference Result 406 states and 512 transitions. [2024-11-10 19:26:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:09,471 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), 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 45 [2024-11-10 19:26:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:09,472 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:26:09,472 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:26:09,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:09,473 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 58 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:09,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 231 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:26:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:26:09,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 348. [2024-11-10 19:26:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 296 states have (on average 1.4527027027027026) internal successors, (430), 333 states have internal predecessors, (430), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 454 transitions. [2024-11-10 19:26:09,488 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 454 transitions. Word has length 45 [2024-11-10 19:26:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:09,489 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 454 transitions. [2024-11-10 19:26:09,489 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), 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) [2024-11-10 19:26:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2024-11-10 19:26:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:26:09,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:09,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:09,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:26:09,490 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:09,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:09,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1331092731, now seen corresponding path program 1 times [2024-11-10 19:26:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:09,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200968723] [2024-11-10 19:26:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:09,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:09,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200968723] [2024-11-10 19:26:09,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200968723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:09,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:09,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070603713] [2024-11-10 19:26:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:09,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:09,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:09,604 INFO L87 Difference]: Start difference. First operand 348 states and 454 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:10,054 INFO L93 Difference]: Finished difference Result 467 states and 630 transitions. [2024-11-10 19:26:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:10,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2024-11-10 19:26:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:10,057 INFO L225 Difference]: With dead ends: 467 [2024-11-10 19:26:10,057 INFO L226 Difference]: Without dead ends: 465 [2024-11-10 19:26:10,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:26:10,058 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 554 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:10,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 101 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:10,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-10 19:26:10,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 356. [2024-11-10 19:26:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.444078947368421) internal successors, (439), 341 states have internal predecessors, (439), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 463 transitions. [2024-11-10 19:26:10,072 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 463 transitions. Word has length 45 [2024-11-10 19:26:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:10,072 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 463 transitions. [2024-11-10 19:26:10,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 463 transitions. [2024-11-10 19:26:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:26:10,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:10,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:10,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:26:10,073 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:10,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1685798260, now seen corresponding path program 1 times [2024-11-10 19:26:10,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:10,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840140736] [2024-11-10 19:26:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:10,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:10,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:10,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840140736] [2024-11-10 19:26:10,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840140736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:10,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:10,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:10,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49304158] [2024-11-10 19:26:10,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:10,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:10,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:10,231 INFO L87 Difference]: Start difference. First operand 356 states and 463 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:10,739 INFO L93 Difference]: Finished difference Result 367 states and 475 transitions. [2024-11-10 19:26:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:10,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-10 19:26:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:10,742 INFO L225 Difference]: With dead ends: 367 [2024-11-10 19:26:10,742 INFO L226 Difference]: Without dead ends: 365 [2024-11-10 19:26:10,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:26:10,743 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 417 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:10,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 126 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:26:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-10 19:26:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 356. [2024-11-10 19:26:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.4342105263157894) internal successors, (436), 341 states have internal predecessors, (436), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 460 transitions. [2024-11-10 19:26:10,757 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 460 transitions. Word has length 46 [2024-11-10 19:26:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:10,758 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 460 transitions. [2024-11-10 19:26:10,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 460 transitions. [2024-11-10 19:26:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:26:10,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:10,760 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:26:10,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:26:10,760 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:10,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash -401023573, now seen corresponding path program 1 times [2024-11-10 19:26:10,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:10,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418753462] [2024-11-10 19:26:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:10,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [635723563] [2024-11-10 19:26:10,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:10,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:10,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:10,794 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) [2024-11-10 19:26:10,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:26:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:26:10,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:11,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:18,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418753462] [2024-11-10 19:26:18,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635723563] [2024-11-10 19:26:18,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635723563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:18,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:18,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:26:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195222698] [2024-11-10 19:26:18,115 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:18,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:26:18,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:18,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:26:18,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=152, Unknown=1, NotChecked=0, Total=210 [2024-11-10 19:26:18,116 INFO L87 Difference]: Start difference. First operand 356 states and 460 transitions. Second operand has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:18,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:18,609 INFO L93 Difference]: Finished difference Result 448 states and 582 transitions. [2024-11-10 19:26:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:18,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-11-10 19:26:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:18,611 INFO L225 Difference]: With dead ends: 448 [2024-11-10 19:26:18,611 INFO L226 Difference]: Without dead ends: 426 [2024-11-10 19:26:18,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=109, Invalid=232, Unknown=1, NotChecked=0, Total=342 [2024-11-10 19:26:18,612 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 187 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:18,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 294 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-10 19:26:18,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 415. [2024-11-10 19:26:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 360 states have (on average 1.4111111111111112) internal successors, (508), 397 states have internal predecessors, (508), 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) [2024-11-10 19:26:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 538 transitions. [2024-11-10 19:26:18,627 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 538 transitions. Word has length 48 [2024-11-10 19:26:18,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:18,628 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 538 transitions. [2024-11-10 19:26:18,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 538 transitions. [2024-11-10 19:26:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:18,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:18,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:18,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:18,832 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,SelfDestructingSolverStorable17 [2024-11-10 19:26:18,832 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:18,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:18,833 INFO L85 PathProgramCache]: Analyzing trace with hash -57860520, now seen corresponding path program 1 times [2024-11-10 19:26:18,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:18,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245893454] [2024-11-10 19:26:18,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:18,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887043340] [2024-11-10 19:26:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:18,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:18,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:18,852 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) [2024-11-10 19:26:18,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:26:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:18,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:26:18,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:20,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:22,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:22,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245893454] [2024-11-10 19:26:22,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:22,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887043340] [2024-11-10 19:26:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887043340] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:22,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:22,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-11-10 19:26:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830644548] [2024-11-10 19:26:22,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:22,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:22,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:26:22,142 INFO L87 Difference]: Start difference. First operand 415 states and 538 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:23,971 INFO L93 Difference]: Finished difference Result 428 states and 555 transitions. [2024-11-10 19:26:23,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:23,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-10 19:26:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:23,973 INFO L225 Difference]: With dead ends: 428 [2024-11-10 19:26:23,973 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 19:26:23,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:26:23,974 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 88 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:23,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:26:23,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 19:26:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 401. [2024-11-10 19:26:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 350 states have (on average 1.4) internal successors, (490), 386 states have internal predecessors, (490), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 514 transitions. [2024-11-10 19:26:23,991 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 514 transitions. Word has length 49 [2024-11-10 19:26:23,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:23,992 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 514 transitions. [2024-11-10 19:26:23,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 514 transitions. [2024-11-10 19:26:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:23,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:23,993 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:26:24,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:26:24,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:24,193 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:24,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash 20918306, now seen corresponding path program 1 times [2024-11-10 19:26:24,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:24,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123908610] [2024-11-10 19:26:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:24,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747846357] [2024-11-10 19:26:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:24,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:24,216 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) [2024-11-10 19:26:24,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:26:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:24,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:26:24,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:24,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:24,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:24,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123908610] [2024-11-10 19:26:24,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:24,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747846357] [2024-11-10 19:26:24,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747846357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:24,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:24,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:26:24,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920990063] [2024-11-10 19:26:24,583 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:24,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:24,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:24,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:24,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:26:24,584 INFO L87 Difference]: Start difference. First operand 401 states and 514 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:25,049 INFO L93 Difference]: Finished difference Result 477 states and 630 transitions. [2024-11-10 19:26:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-10 19:26:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:25,052 INFO L225 Difference]: With dead ends: 477 [2024-11-10 19:26:25,052 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:26:25,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:26:25,053 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 169 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:25,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 183 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:26:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 429. [2024-11-10 19:26:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 379 states have (on average 1.3746701846965699) internal successors, (521), 411 states have internal predecessors, (521), 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) [2024-11-10 19:26:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 551 transitions. [2024-11-10 19:26:25,092 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 551 transitions. Word has length 49 [2024-11-10 19:26:25,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:25,093 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 551 transitions. [2024-11-10 19:26:25,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 551 transitions. [2024-11-10 19:26:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:25,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:25,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:25,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:26:25,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:25,294 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:25,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash -563334857, now seen corresponding path program 1 times [2024-11-10 19:26:25,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:25,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360600542] [2024-11-10 19:26:25,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:25,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170910821] [2024-11-10 19:26:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:25,316 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) [2024-11-10 19:26:25,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:26:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:25,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:26:25,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:25,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:25,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360600542] [2024-11-10 19:26:25,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:25,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170910821] [2024-11-10 19:26:25,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170910821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:25,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:25,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:25,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374571732] [2024-11-10 19:26:25,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:25,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:25,525 INFO L87 Difference]: Start difference. First operand 429 states and 551 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:25,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:25,970 INFO L93 Difference]: Finished difference Result 523 states and 681 transitions. [2024-11-10 19:26:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:25,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-10 19:26:25,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:25,973 INFO L225 Difference]: With dead ends: 523 [2024-11-10 19:26:25,973 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 19:26:25,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:26:25,974 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 275 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:25,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 95 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 19:26:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-10 19:26:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3778801843317972) internal successors, (598), 466 states have internal predecessors, (598), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 632 transitions. [2024-11-10 19:26:25,994 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 632 transitions. Word has length 49 [2024-11-10 19:26:25,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:25,995 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 632 transitions. [2024-11-10 19:26:25,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 632 transitions. [2024-11-10 19:26:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:26:25,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:25,996 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:26,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:26:26,200 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,SelfDestructingSolverStorable20 [2024-11-10 19:26:26,201 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:26,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1163405353, now seen corresponding path program 1 times [2024-11-10 19:26:26,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:26,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163304757] [2024-11-10 19:26:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:26,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119025224] [2024-11-10 19:26:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:26,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:26,225 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) [2024-11-10 19:26:26,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:26:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:26,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:26:26,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:26,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:46,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:46,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163304757] [2024-11-10 19:26:46,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:46,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119025224] [2024-11-10 19:26:46,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119025224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:46,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:46,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:26:46,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276966108] [2024-11-10 19:26:46,241 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:46,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:26:46,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:46,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:26:46,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=195, Unknown=4, NotChecked=0, Total=272 [2024-11-10 19:26:46,242 INFO L87 Difference]: Start difference. First operand 486 states and 632 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:46,787 INFO L93 Difference]: Finished difference Result 533 states and 693 transitions. [2024-11-10 19:26:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:26:46,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-10 19:26:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:46,789 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:26:46,789 INFO L226 Difference]: Without dead ends: 530 [2024-11-10 19:26:46,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=183, Invalid=365, Unknown=4, NotChecked=0, Total=552 [2024-11-10 19:26:46,792 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 355 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:46,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 230 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-10 19:26:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 486. [2024-11-10 19:26:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3617511520737327) internal successors, (591), 466 states have internal predecessors, (591), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 625 transitions. [2024-11-10 19:26:46,810 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 625 transitions. Word has length 50 [2024-11-10 19:26:46,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:46,811 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 625 transitions. [2024-11-10 19:26:46,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 625 transitions. [2024-11-10 19:26:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:26:46,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:46,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:46,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:47,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:26:47,016 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:47,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -283511352, now seen corresponding path program 1 times [2024-11-10 19:26:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:47,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840422221] [2024-11-10 19:26:47,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:47,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:47,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215977535] [2024-11-10 19:26:47,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:47,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:47,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:47,042 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) [2024-11-10 19:26:47,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:26:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:47,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:26:47,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:47,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:47,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:47,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840422221] [2024-11-10 19:26:47,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:47,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215977535] [2024-11-10 19:26:47,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215977535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:47,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:47,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:47,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703391308] [2024-11-10 19:26:47,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:47,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:47,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:47,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:47,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:47,240 INFO L87 Difference]: Start difference. First operand 486 states and 625 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:47,629 INFO L93 Difference]: Finished difference Result 520 states and 666 transitions. [2024-11-10 19:26:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:47,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-10 19:26:47,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:47,631 INFO L225 Difference]: With dead ends: 520 [2024-11-10 19:26:47,632 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 19:26:47,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:26:47,632 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 468 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:47,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 85 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:26:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 19:26:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-10 19:26:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3571428571428572) internal successors, (589), 466 states have internal predecessors, (589), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 623 transitions. [2024-11-10 19:26:47,651 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 623 transitions. Word has length 50 [2024-11-10 19:26:47,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:47,652 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 623 transitions. [2024-11-10 19:26:47,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 623 transitions. [2024-11-10 19:26:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:47,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:47,653 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:26:47,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:47,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:47,857 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1705827645, now seen corresponding path program 1 times [2024-11-10 19:26:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:47,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276371903] [2024-11-10 19:26:47,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:47,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212418359] [2024-11-10 19:26:47,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:47,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:47,870 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) [2024-11-10 19:26:47,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:26:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:47,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:26:47,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:48,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:50,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276371903] [2024-11-10 19:26:50,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212418359] [2024-11-10 19:26:50,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212418359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:50,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:50,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:26:50,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369042623] [2024-11-10 19:26:50,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:50,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:26:50,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:50,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:26:50,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:26:50,351 INFO L87 Difference]: Start difference. First operand 486 states and 623 transitions. Second operand has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:51,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:51,375 INFO L93 Difference]: Finished difference Result 551 states and 699 transitions. [2024-11-10 19:26:51,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:26:51,376 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-10 19:26:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:51,378 INFO L225 Difference]: With dead ends: 551 [2024-11-10 19:26:51,378 INFO L226 Difference]: Without dead ends: 546 [2024-11-10 19:26:51,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:26:51,379 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 351 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:51,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 270 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:26:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-10 19:26:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 515. [2024-11-10 19:26:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 462 states have (on average 1.344155844155844) internal successors, (621), 494 states have internal predecessors, (621), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 657 transitions. [2024-11-10 19:26:51,401 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 657 transitions. Word has length 51 [2024-11-10 19:26:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:51,401 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 657 transitions. [2024-11-10 19:26:51,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 657 transitions. [2024-11-10 19:26:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:51,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:51,403 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:51,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:51,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:51,604 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:51,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1372342048, now seen corresponding path program 1 times [2024-11-10 19:26:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:51,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169586985] [2024-11-10 19:26:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:51,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250739809] [2024-11-10 19:26:51,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:51,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:51,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:51,621 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) [2024-11-10 19:26:51,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:26:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:51,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:26:51,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:51,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:52,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:52,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169586985] [2024-11-10 19:26:52,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:52,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250739809] [2024-11-10 19:26:52,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250739809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:52,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:52,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:26:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127288125] [2024-11-10 19:26:52,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:52,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:52,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:26:52,248 INFO L87 Difference]: Start difference. First operand 515 states and 657 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:52,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:52,698 INFO L93 Difference]: Finished difference Result 559 states and 715 transitions. [2024-11-10 19:26:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:52,699 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-10 19:26:52,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:52,700 INFO L225 Difference]: With dead ends: 559 [2024-11-10 19:26:52,700 INFO L226 Difference]: Without dead ends: 556 [2024-11-10 19:26:52,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:26:52,701 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 159 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:52,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 132 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-10 19:26:52,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 513. [2024-11-10 19:26:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 462 states have (on average 1.3203463203463204) internal successors, (610), 492 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 646 transitions. [2024-11-10 19:26:52,722 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 646 transitions. Word has length 51 [2024-11-10 19:26:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:52,722 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 646 transitions. [2024-11-10 19:26:52,723 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 646 transitions. [2024-11-10 19:26:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:52,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:52,724 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:52,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:26:52,927 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,SelfDestructingSolverStorable24 [2024-11-10 19:26:52,928 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:52,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -198917291, now seen corresponding path program 1 times [2024-11-10 19:26:52,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:52,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707786171] [2024-11-10 19:26:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:52,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:52,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:52,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:52,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707786171] [2024-11-10 19:26:52,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707786171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:52,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:52,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:52,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494998319] [2024-11-10 19:26:52,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:52,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:52,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:52,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:52,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:52,994 INFO L87 Difference]: Start difference. First operand 513 states and 646 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2024-11-10 19:26:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:53,367 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2024-11-10 19:26:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:53,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 51 [2024-11-10 19:26:53,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:53,369 INFO L225 Difference]: With dead ends: 544 [2024-11-10 19:26:53,369 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 19:26:53,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:53,370 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 41 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:53,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 192 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:26:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 19:26:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 526. [2024-11-10 19:26:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3242105263157895) internal successors, (629), 505 states have internal predecessors, (629), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 665 transitions. [2024-11-10 19:26:53,392 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 665 transitions. Word has length 51 [2024-11-10 19:26:53,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:53,392 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 665 transitions. [2024-11-10 19:26:53,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2024-11-10 19:26:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 665 transitions. [2024-11-10 19:26:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:26:53,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:53,393 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:26:53,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 19:26:53,394 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:53,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:53,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1440794194, now seen corresponding path program 1 times [2024-11-10 19:26:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23687809] [2024-11-10 19:26:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44156482] [2024-11-10 19:26:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:53,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:53,412 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) [2024-11-10 19:26:53,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:26:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:53,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:26:53,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:53,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:53,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:53,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23687809] [2024-11-10 19:26:53,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:53,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44156482] [2024-11-10 19:26:53,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44156482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:53,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:53,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:26:53,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130958622] [2024-11-10 19:26:53,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:53,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:26:53,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:53,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:26:53,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:26:53,624 INFO L87 Difference]: Start difference. First operand 526 states and 665 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:54,045 INFO L93 Difference]: Finished difference Result 534 states and 671 transitions. [2024-11-10 19:26:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:54,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-10 19:26:54,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:54,047 INFO L225 Difference]: With dead ends: 534 [2024-11-10 19:26:54,047 INFO L226 Difference]: Without dead ends: 532 [2024-11-10 19:26:54,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:26:54,047 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 202 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:54,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 293 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:54,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-10 19:26:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 526. [2024-11-10 19:26:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.32) internal successors, (627), 505 states have internal predecessors, (627), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 663 transitions. [2024-11-10 19:26:54,067 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 663 transitions. Word has length 52 [2024-11-10 19:26:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:54,067 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 663 transitions. [2024-11-10 19:26:54,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 663 transitions. [2024-11-10 19:26:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:26:54,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:54,068 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:26:54,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:26:54,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:26:54,269 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:54,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash 407069542, now seen corresponding path program 1 times [2024-11-10 19:26:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:54,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433254212] [2024-11-10 19:26:54,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:54,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502545767] [2024-11-10 19:26:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:54,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:54,286 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) [2024-11-10 19:26:54,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:26:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:54,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:26:54,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:55,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:57,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433254212] [2024-11-10 19:26:57,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502545767] [2024-11-10 19:26:57,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502545767] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:57,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:57,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-10 19:26:57,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795433453] [2024-11-10 19:26:57,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:57,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:57,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:57,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:57,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:26:57,965 INFO L87 Difference]: Start difference. First operand 526 states and 663 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:27:02,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:02,963 INFO L93 Difference]: Finished difference Result 527 states and 663 transitions. [2024-11-10 19:27:02,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:27:02,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-10 19:27:02,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:02,965 INFO L225 Difference]: With dead ends: 527 [2024-11-10 19:27:02,965 INFO L226 Difference]: Without dead ends: 526 [2024-11-10 19:27:02,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:27:02,966 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 53 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:02,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 180 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-10 19:27:02,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-10 19:27:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-10 19:27:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3094736842105263) internal successors, (622), 505 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 658 transitions. [2024-11-10 19:27:02,987 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 658 transitions. Word has length 52 [2024-11-10 19:27:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:02,988 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 658 transitions. [2024-11-10 19:27:02,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:27:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 658 transitions. [2024-11-10 19:27:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:27:02,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:02,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:03,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:27:03,189 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1871468698, now seen corresponding path program 1 times [2024-11-10 19:27:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813911705] [2024-11-10 19:27:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:27:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:27:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:27:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:27:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:27:03,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:03,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813911705] [2024-11-10 19:27:03,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813911705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:27:03,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:27:03,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:27:03,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757314864] [2024-11-10 19:27:03,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:27:03,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:27:03,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:03,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:27:03,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:27:03,295 INFO L87 Difference]: Start difference. First operand 526 states and 658 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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) [2024-11-10 19:27:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:04,356 INFO L93 Difference]: Finished difference Result 544 states and 665 transitions. [2024-11-10 19:27:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:27:04,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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 52 [2024-11-10 19:27:04,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:04,358 INFO L225 Difference]: With dead ends: 544 [2024-11-10 19:27:04,358 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 19:27:04,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:27:04,359 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 38 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:04,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 217 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:27:04,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 19:27:04,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 527. [2024-11-10 19:27:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 476 states have (on average 1.3067226890756303) internal successors, (622), 506 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 658 transitions. [2024-11-10 19:27:04,386 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 658 transitions. Word has length 52 [2024-11-10 19:27:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:04,386 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 658 transitions. [2024-11-10 19:27:04,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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) [2024-11-10 19:27:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 658 transitions. [2024-11-10 19:27:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:27:04,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:04,387 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:27:04,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 19:27:04,387 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:04,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1714946988, now seen corresponding path program 1 times [2024-11-10 19:27:04,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:04,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921735325] [2024-11-10 19:27:04,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:04,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:04,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1592143044] [2024-11-10 19:27:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:04,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:04,407 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) [2024-11-10 19:27:04,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:27:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:04,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:27:04,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:04,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:05,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921735325] [2024-11-10 19:27:05,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592143044] [2024-11-10 19:27:05,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592143044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:05,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:05,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:27:05,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384474727] [2024-11-10 19:27:05,218 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:05,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:27:05,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:05,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:27:05,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:27:05,219 INFO L87 Difference]: Start difference. First operand 527 states and 658 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:05,785 INFO L93 Difference]: Finished difference Result 845 states and 1057 transitions. [2024-11-10 19:27:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:27:05,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2024-11-10 19:27:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:05,787 INFO L225 Difference]: With dead ends: 845 [2024-11-10 19:27:05,787 INFO L226 Difference]: Without dead ends: 523 [2024-11-10 19:27:05,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:27:05,789 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 170 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:05,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 271 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:27:05,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-10 19:27:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 520. [2024-11-10 19:27:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.304904051172708) internal successors, (612), 499 states have internal predecessors, (612), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 648 transitions. [2024-11-10 19:27:05,810 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 648 transitions. Word has length 53 [2024-11-10 19:27:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:05,810 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 648 transitions. [2024-11-10 19:27:05,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 648 transitions. [2024-11-10 19:27:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:27:05,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:05,811 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:27:05,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:27:06,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:06,012 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:06,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash -265746018, now seen corresponding path program 1 times [2024-11-10 19:27:06,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:06,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871615110] [2024-11-10 19:27:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:06,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765652666] [2024-11-10 19:27:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:06,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:06,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:06,028 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) [2024-11-10 19:27:06,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:27:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:06,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:27:06,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:06,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:06,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:06,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871615110] [2024-11-10 19:27:06,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:06,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765652666] [2024-11-10 19:27:06,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765652666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:06,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:06,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:27:06,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201877304] [2024-11-10 19:27:06,977 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:06,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:27:06,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:06,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:27:06,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:27:06,978 INFO L87 Difference]: Start difference. First operand 520 states and 648 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:07,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:07,362 INFO L93 Difference]: Finished difference Result 530 states and 656 transitions. [2024-11-10 19:27:07,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:27:07,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-10 19:27:07,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:07,364 INFO L225 Difference]: With dead ends: 530 [2024-11-10 19:27:07,364 INFO L226 Difference]: Without dead ends: 528 [2024-11-10 19:27:07,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:27:07,364 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 200 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:07,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 291 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:27:07,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-10 19:27:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 520. [2024-11-10 19:27:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.300639658848614) internal successors, (610), 499 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 646 transitions. [2024-11-10 19:27:07,386 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 646 transitions. Word has length 53 [2024-11-10 19:27:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:07,386 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 646 transitions. [2024-11-10 19:27:07,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 646 transitions. [2024-11-10 19:27:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:27:07,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:07,387 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:27:07,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:27:07,588 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,SelfDestructingSolverStorable30 [2024-11-10 19:27:07,588 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:07,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:07,589 INFO L85 PathProgramCache]: Analyzing trace with hash 351808100, now seen corresponding path program 1 times [2024-11-10 19:27:07,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:07,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200919668] [2024-11-10 19:27:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:07,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858350528] [2024-11-10 19:27:07,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:07,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:07,604 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) [2024-11-10 19:27:07,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:27:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:07,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:27:07,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:07,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:09,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:09,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200919668] [2024-11-10 19:27:09,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:09,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858350528] [2024-11-10 19:27:09,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858350528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:09,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:09,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:09,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799294709] [2024-11-10 19:27:09,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:09,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:09,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:27:09,089 INFO L87 Difference]: Start difference. First operand 520 states and 646 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:09,621 INFO L93 Difference]: Finished difference Result 549 states and 679 transitions. [2024-11-10 19:27:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:27:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2024-11-10 19:27:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:09,623 INFO L225 Difference]: With dead ends: 549 [2024-11-10 19:27:09,623 INFO L226 Difference]: Without dead ends: 548 [2024-11-10 19:27:09,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:27:09,624 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 175 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:09,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 278 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:27:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-10 19:27:09,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 529. [2024-11-10 19:27:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 478 states have (on average 1.294979079497908) internal successors, (619), 508 states have internal predecessors, (619), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 655 transitions. [2024-11-10 19:27:09,651 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 655 transitions. Word has length 54 [2024-11-10 19:27:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:09,651 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 655 transitions. [2024-11-10 19:27:09,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 655 transitions. [2024-11-10 19:27:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:27:09,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:09,652 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:27:09,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:09,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:09,853 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:09,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1441958969, now seen corresponding path program 1 times [2024-11-10 19:27:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83153547] [2024-11-10 19:27:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:09,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960240717] [2024-11-10 19:27:09,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:09,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:09,868 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) [2024-11-10 19:27:09,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:27:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:09,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:27:09,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:10,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:14,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83153547] [2024-11-10 19:27:14,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960240717] [2024-11-10 19:27:14,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960240717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:14,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:14,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184632783] [2024-11-10 19:27:14,162 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:14,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:14,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:14,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-11-10 19:27:14,163 INFO L87 Difference]: Start difference. First operand 529 states and 655 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:14,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:14,490 INFO L93 Difference]: Finished difference Result 573 states and 723 transitions. [2024-11-10 19:27:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:27:14,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2024-11-10 19:27:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:14,492 INFO L225 Difference]: With dead ends: 573 [2024-11-10 19:27:14,492 INFO L226 Difference]: Without dead ends: 559 [2024-11-10 19:27:14,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=68, Invalid=171, Unknown=1, NotChecked=0, Total=240 [2024-11-10 19:27:14,492 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 145 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:14,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 118 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:27:14,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-10 19:27:14,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 479. [2024-11-10 19:27:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 439 states have (on average 1.246013667425968) internal successors, (547), 463 states have internal predecessors, (547), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:27:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 573 transitions. [2024-11-10 19:27:14,511 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 573 transitions. Word has length 56 [2024-11-10 19:27:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:14,511 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 573 transitions. [2024-11-10 19:27:14,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 573 transitions. [2024-11-10 19:27:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:27:14,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:14,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:14,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:27:14,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:14,713 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:14,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:14,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1751055153, now seen corresponding path program 1 times [2024-11-10 19:27:14,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:14,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426055832] [2024-11-10 19:27:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:14,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030296152] [2024-11-10 19:27:14,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:14,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:14,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:14,727 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) [2024-11-10 19:27:14,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:27:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:14,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:27:14,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:15,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:16,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:16,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426055832] [2024-11-10 19:27:16,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:16,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030296152] [2024-11-10 19:27:16,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030296152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:16,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:16,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:27:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920310841] [2024-11-10 19:27:16,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:16,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:27:16,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:27:16,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:27:16,103 INFO L87 Difference]: Start difference. First operand 479 states and 573 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:17,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:17,897 INFO L93 Difference]: Finished difference Result 567 states and 695 transitions. [2024-11-10 19:27:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:27:17,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 57 [2024-11-10 19:27:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:17,899 INFO L225 Difference]: With dead ends: 567 [2024-11-10 19:27:17,899 INFO L226 Difference]: Without dead ends: 563 [2024-11-10 19:27:17,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:27:17,900 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 238 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:17,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 115 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:27:17,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-10 19:27:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 461. [2024-11-10 19:27:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 425 states have (on average 1.228235294117647) internal successors, (522), 445 states have internal predecessors, (522), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:27:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 548 transitions. [2024-11-10 19:27:17,916 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 548 transitions. Word has length 57 [2024-11-10 19:27:17,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:17,916 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 548 transitions. [2024-11-10 19:27:17,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 548 transitions. [2024-11-10 19:27:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:27:17,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:17,917 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:17,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:18,117 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:18,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1551865033, now seen corresponding path program 1 times [2024-11-10 19:27:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758742542] [2024-11-10 19:27:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:18,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306807987] [2024-11-10 19:27:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:18,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:18,134 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) [2024-11-10 19:27:18,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:27:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:18,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:27:18,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:18,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:18,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:18,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758742542] [2024-11-10 19:27:18,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:18,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306807987] [2024-11-10 19:27:18,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306807987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:18,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:18,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:18,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071475145] [2024-11-10 19:27:18,847 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:18,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:18,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:18,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:27:18,848 INFO L87 Difference]: Start difference. First operand 461 states and 548 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:19,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:19,161 INFO L93 Difference]: Finished difference Result 509 states and 615 transitions. [2024-11-10 19:27:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:27:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2024-11-10 19:27:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:19,162 INFO L225 Difference]: With dead ends: 509 [2024-11-10 19:27:19,162 INFO L226 Difference]: Without dead ends: 506 [2024-11-10 19:27:19,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:27:19,163 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 116 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:19,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 93 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:27:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-10 19:27:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 387. [2024-11-10 19:27:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 356 states have (on average 1.1882022471910112) internal successors, (423), 373 states have internal predecessors, (423), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:27:19,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 445 transitions. [2024-11-10 19:27:19,176 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 445 transitions. Word has length 58 [2024-11-10 19:27:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:19,176 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 445 transitions. [2024-11-10 19:27:19,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 445 transitions. [2024-11-10 19:27:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:27:19,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:19,177 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-10 19:27:19,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:19,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:19,378 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:19,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash -863175697, now seen corresponding path program 1 times [2024-11-10 19:27:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:19,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652345061] [2024-11-10 19:27:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:19,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642008236] [2024-11-10 19:27:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:19,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:19,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:19,400 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) [2024-11-10 19:27:19,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:27:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:19,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:27:19,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:20,079 INFO L311 TraceCheckSpWp]: Computing backward predicates...