./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.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/bresenham-ll_valuebound100.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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:59:58,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:59:58,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:59:58,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:59:58,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:59:58,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:59:58,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:59:58,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:59:58,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:59:58,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:59:58,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:59:58,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:59:58,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:59:58,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:59:58,732 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:59:58,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:59:58,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:59:58,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:59:58,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:59:58,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:59:58,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:59:58,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:59:58,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:59:58,737 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:59:58,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:58,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:59:58,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:59:58,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:59:58,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:59:58,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:59:58,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:59:58,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:59:58,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:59:58,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:59:58,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2024-11-10 18:59:58,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:59:58,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:59:58,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:59:58,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:59:58,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:59:58,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2024-11-10 19:00:00,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:00:00,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:00:00,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2024-11-10 19:00:00,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d544ace8/3300bee51416424b90dac13b2b6a4e1c/FLAG82c893059 [2024-11-10 19:00:00,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d544ace8/3300bee51416424b90dac13b2b6a4e1c [2024-11-10 19:00:00,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:00:00,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:00:00,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:00:00,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:00:00,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:00:00,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:00,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3092c962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00, skipping insertion in model container [2024-11-10 19:00:00,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:00,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:00:00,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:00:00,922 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:00:00,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:00:00,962 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:00:00,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00 WrapperNode [2024-11-10 19:00:00,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:00:00,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:00:00,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:00:00,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:00:00,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:00,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,000 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2024-11-10 19:00:01,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:00:01,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:00:01,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:00:01,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:00:01,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,025 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 19:00:01,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:00:01,038 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:00:01,038 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:00:01,040 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:00:01,041 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (1/1) ... [2024-11-10 19:00:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:00:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:01,064 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 19:00:01,066 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 19:00:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:00:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:00:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:00:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:00:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:00:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:00:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:00:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:00:01,145 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:00:01,147 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:00:01,479 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-10 19:00:01,480 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:00:01,494 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:00:01,495 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:00:01,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:00:01 BoogieIcfgContainer [2024-11-10 19:00:01,496 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:00:01,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:00:01,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:00:01,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:00:01,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:00:00" (1/3) ... [2024-11-10 19:00:01,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13431b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:00:01, skipping insertion in model container [2024-11-10 19:00:01,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:00:00" (2/3) ... [2024-11-10 19:00:01,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c13431b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:00:01, skipping insertion in model container [2024-11-10 19:00:01,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:00:01" (3/3) ... [2024-11-10 19:00:01,502 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound100.c [2024-11-10 19:00:01,514 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:00:01,514 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-10 19:00:01,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:00:01,572 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;@5cf989ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:00:01,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 19:00:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 86 states have (on average 1.744186046511628) internal successors, (150), 144 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:00:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 19:00:01,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:01,585 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:01,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:01,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:01,590 INFO L85 PathProgramCache]: Analyzing trace with hash -21591520, now seen corresponding path program 1 times [2024-11-10 19:00:01,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717388708] [2024-11-10 19:00:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717388708] [2024-11-10 19:00:01,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717388708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:01,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:01,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:01,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490268594] [2024-11-10 19:00:01,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:01,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:00:01,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:00:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:00:01,732 INFO L87 Difference]: Start difference. First operand has 151 states, 86 states have (on average 1.744186046511628) internal successors, (150), 144 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:01,754 INFO L93 Difference]: Finished difference Result 298 states and 315 transitions. [2024-11-10 19:00:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:00:01,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-10 19:00:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:01,762 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:00:01,762 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:00:01,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 19:00:01,767 INFO L432 NwaCegarLoop]: 153 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, 153 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 19:00:01,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:00:01,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:00:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-10 19:00:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 81 states have (on average 1.728395061728395) internal successors, (140), 138 states have internal predecessors, (140), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2024-11-10 19:00:01,800 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 14 [2024-11-10 19:00:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:01,800 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2024-11-10 19:00:01,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2024-11-10 19:00:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 19:00:01,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:01,801 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:01,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:00:01,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:01,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:01,802 INFO L85 PathProgramCache]: Analyzing trace with hash -218075234, now seen corresponding path program 1 times [2024-11-10 19:00:01,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:01,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189355808] [2024-11-10 19:00:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:01,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:01,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:01,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189355808] [2024-11-10 19:00:01,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189355808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:01,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:01,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:01,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827805014] [2024-11-10 19:00:01,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:01,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:01,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:01,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:01,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:01,900 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,101 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2024-11-10 19:00:02,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:02,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-10 19:00:02,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,103 INFO L225 Difference]: With dead ends: 144 [2024-11-10 19:00:02,103 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 19:00:02,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,104 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 99 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 89 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 19:00:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-10 19:00:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 81 states have (on average 1.6790123456790123) internal successors, (136), 134 states have internal predecessors, (136), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2024-11-10 19:00:02,129 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 14 [2024-11-10 19:00:02,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,130 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2024-11-10 19:00:02,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2024-11-10 19:00:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:00:02,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:00:02,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1829602443, now seen corresponding path program 1 times [2024-11-10 19:00:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471949828] [2024-11-10 19:00:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471949828] [2024-11-10 19:00:02,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471949828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95078698] [2024-11-10 19:00:02,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,191 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,276 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2024-11-10 19:00:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:02,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:00:02,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,278 INFO L225 Difference]: With dead ends: 140 [2024-11-10 19:00:02,278 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 19:00:02,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,280 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 98 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 89 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 19:00:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-10 19:00:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 81 states have (on average 1.6296296296296295) internal successors, (132), 130 states have internal predecessors, (132), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2024-11-10 19:00:02,291 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 15 [2024-11-10 19:00:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,291 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2024-11-10 19:00:02,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2024-11-10 19:00:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:00:02,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:00:02,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash 883100988, now seen corresponding path program 1 times [2024-11-10 19:00:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572538679] [2024-11-10 19:00:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572538679] [2024-11-10 19:00:02,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572538679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:02,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384098549] [2024-11-10 19:00:02,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:02,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:02,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:02,354 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,557 INFO L93 Difference]: Finished difference Result 136 states and 138 transitions. [2024-11-10 19:00:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:02,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-10 19:00:02,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,560 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:00:02,561 INFO L226 Difference]: Without dead ends: 133 [2024-11-10 19:00:02,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:02,566 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 191 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 83 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:02,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-10 19:00:02,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-10 19:00:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-11-10 19:00:02,573 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 16 [2024-11-10 19:00:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,573 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-11-10 19:00:02,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-11-10 19:00:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:00:02,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,574 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:00:02,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1606326953, now seen corresponding path program 1 times [2024-11-10 19:00:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715639117] [2024-11-10 19:00:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715639117] [2024-11-10 19:00:02,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715639117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:02,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272384999] [2024-11-10 19:00:02,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:02,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:02,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:02,651 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,794 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-11-10 19:00:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:02,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-10 19:00:02,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,799 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:00:02,799 INFO L226 Difference]: Without dead ends: 130 [2024-11-10 19:00:02,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:02,800 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 83 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-10 19:00:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-10 19:00:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 81 states have (on average 1.5555555555555556) internal successors, (126), 124 states have internal predecessors, (126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2024-11-10 19:00:02,806 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 17 [2024-11-10 19:00:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,806 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2024-11-10 19:00:02,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2024-11-10 19:00:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:00:02,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:00:02,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:02,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash -732033212, now seen corresponding path program 1 times [2024-11-10 19:00:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:02,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764036545] [2024-11-10 19:00:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:02,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253051127] [2024-11-10 19:00:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:02,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:02,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:02,831 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 19:00:02,833 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 19:00:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:02,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:02,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:02,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:02,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:02,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764036545] [2024-11-10 19:00:02,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:02,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253051127] [2024-11-10 19:00:02,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253051127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:02,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:02,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:02,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520283735] [2024-11-10 19:00:02,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:02,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:02,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:02,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:02,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,899 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:02,966 INFO L93 Difference]: Finished difference Result 203 states and 208 transitions. [2024-11-10 19:00:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:02,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:00:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:02,968 INFO L225 Difference]: With dead ends: 203 [2024-11-10 19:00:02,968 INFO L226 Difference]: Without dead ends: 197 [2024-11-10 19:00:02,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:02,969 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 64 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:02,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 231 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-10 19:00:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2024-11-10 19:00:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 109 states have (on average 1.5504587155963303) internal successors, (169), 152 states have internal predecessors, (169), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:00:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2024-11-10 19:00:02,976 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 21 [2024-11-10 19:00:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:02,976 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2024-11-10 19:00:02,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2024-11-10 19:00:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:00:02,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:02,977 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:02,993 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 19:00:03,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 19:00:03,185 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:03,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:03,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1842601718, now seen corresponding path program 1 times [2024-11-10 19:00:03,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:03,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947013860] [2024-11-10 19:00:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:03,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206054944] [2024-11-10 19:00:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:03,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:03,196 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 19:00:03,197 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 19:00:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:03,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:03,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:03,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:03,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947013860] [2024-11-10 19:00:03,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:03,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206054944] [2024-11-10 19:00:03,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206054944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:03,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:03,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:00:03,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031496649] [2024-11-10 19:00:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:03,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:00:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:00:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:03,243 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:03,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:03,312 INFO L93 Difference]: Finished difference Result 264 states and 286 transitions. [2024-11-10 19:00:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:00:03,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 19:00:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:03,313 INFO L225 Difference]: With dead ends: 264 [2024-11-10 19:00:03,313 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 19:00:03,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:00:03,314 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 93 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:03,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 231 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 19:00:03,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 215. [2024-11-10 19:00:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 164 states have (on average 1.5609756097560976) internal successors, (256), 207 states have internal predecessors, (256), 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 19:00:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 266 transitions. [2024-11-10 19:00:03,326 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 266 transitions. Word has length 24 [2024-11-10 19:00:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:03,326 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 266 transitions. [2024-11-10 19:00:03,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 266 transitions. [2024-11-10 19:00:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:00:03,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:03,327 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:03,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:00:03,528 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,SelfDestructingSolverStorable6 [2024-11-10 19:00:03,528 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:03,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:03,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1029142881, now seen corresponding path program 1 times [2024-11-10 19:00:03,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:03,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451289856] [2024-11-10 19:00:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:03,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867245021] [2024-11-10 19:00:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:03,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:03,540 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 19:00:03,541 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 19:00:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:03,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:03,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:03,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:03,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:03,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451289856] [2024-11-10 19:00:03,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:03,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867245021] [2024-11-10 19:00:03,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867245021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:03,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:03,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:03,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183152718] [2024-11-10 19:00:03,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:03,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:03,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:03,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:03,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:03,622 INFO L87 Difference]: Start difference. First operand 215 states and 266 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:03,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:03,837 INFO L93 Difference]: Finished difference Result 293 states and 347 transitions. [2024-11-10 19:00:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:03,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-10 19:00:03,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:03,838 INFO L225 Difference]: With dead ends: 293 [2024-11-10 19:00:03,838 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 19:00:03,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 19:00:03,839 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 136 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:03,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 257 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 19:00:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 217. [2024-11-10 19:00:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 209 states have internal predecessors, (257), 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 19:00:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 267 transitions. [2024-11-10 19:00:03,846 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 267 transitions. Word has length 27 [2024-11-10 19:00:03,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:03,846 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 267 transitions. [2024-11-10 19:00:03,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 267 transitions. [2024-11-10 19:00:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:00:03,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:03,847 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:03,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:00:04,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,048 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:04,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1838658157, now seen corresponding path program 1 times [2024-11-10 19:00:04,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:04,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450493277] [2024-11-10 19:00:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:04,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690583394] [2024-11-10 19:00:04,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:04,072 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 19:00:04,078 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 19:00:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:04,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:04,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:04,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450493277] [2024-11-10 19:00:04,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690583394] [2024-11-10 19:00:04,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690583394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:04,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:04,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:04,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802790387] [2024-11-10 19:00:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:04,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:04,151 INFO L87 Difference]: Start difference. First operand 217 states and 267 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:04,326 INFO L93 Difference]: Finished difference Result 292 states and 345 transitions. [2024-11-10 19:00:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:04,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-10 19:00:04,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:04,328 INFO L225 Difference]: With dead ends: 292 [2024-11-10 19:00:04,328 INFO L226 Difference]: Without dead ends: 290 [2024-11-10 19:00:04,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 19:00:04,329 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 134 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:04,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 260 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:04,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-10 19:00:04,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 218. [2024-11-10 19:00:04,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5389221556886228) internal successors, (257), 210 states have internal predecessors, (257), 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 19:00:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 267 transitions. [2024-11-10 19:00:04,335 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 267 transitions. Word has length 28 [2024-11-10 19:00:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:04,336 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 267 transitions. [2024-11-10 19:00:04,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 267 transitions. [2024-11-10 19:00:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:00:04,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:04,336 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:04,348 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 19:00:04,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,541 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:04,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1163827939, now seen corresponding path program 1 times [2024-11-10 19:00:04,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:04,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75560255] [2024-11-10 19:00:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:04,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137435967] [2024-11-10 19:00:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:04,557 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 19:00:04,558 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 19:00:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:04,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:04,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:04,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:04,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:04,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75560255] [2024-11-10 19:00:04,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:04,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137435967] [2024-11-10 19:00:04,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137435967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:04,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:04,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:04,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360746288] [2024-11-10 19:00:04,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:04,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:04,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:04,623 INFO L87 Difference]: Start difference. First operand 218 states and 267 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:04,717 INFO L93 Difference]: Finished difference Result 284 states and 302 transitions. [2024-11-10 19:00:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:04,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-10 19:00:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:04,719 INFO L225 Difference]: With dead ends: 284 [2024-11-10 19:00:04,719 INFO L226 Difference]: Without dead ends: 282 [2024-11-10 19:00:04,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 19:00:04,720 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 186 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:04,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 282 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:04,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-10 19:00:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 218. [2024-11-10 19:00:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5209580838323353) internal successors, (254), 210 states have internal predecessors, (254), 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 19:00:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 264 transitions. [2024-11-10 19:00:04,729 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 264 transitions. Word has length 29 [2024-11-10 19:00:04,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:04,729 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 264 transitions. [2024-11-10 19:00:04,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2024-11-10 19:00:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:00:04,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:04,731 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:04,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:00:04,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:00:04,932 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:04,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1718927663, now seen corresponding path program 1 times [2024-11-10 19:00:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435871800] [2024-11-10 19:00:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:04,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628835725] [2024-11-10 19:00:04,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:04,941 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 19:00:04,942 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 19:00:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:04,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:04,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:04,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435871800] [2024-11-10 19:00:04,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:04,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628835725] [2024-11-10 19:00:04,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628835725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:04,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:04,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:04,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754082596] [2024-11-10 19:00:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:04,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:04,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:04,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:04,990 INFO L87 Difference]: Start difference. First operand 218 states and 264 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:05,146 INFO L93 Difference]: Finished difference Result 282 states and 299 transitions. [2024-11-10 19:00:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:05,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 19:00:05,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:05,150 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:05,150 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:05,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 19:00:05,151 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 183 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:05,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 288 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:05,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 218. [2024-11-10 19:00:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 167 states have (on average 1.5029940119760479) internal successors, (251), 210 states have internal predecessors, (251), 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 19:00:05,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2024-11-10 19:00:05,157 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 261 transitions. Word has length 30 [2024-11-10 19:00:05,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:05,157 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 261 transitions. [2024-11-10 19:00:05,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 261 transitions. [2024-11-10 19:00:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:00:05,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:05,158 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:05,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:00:05,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,359 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:05,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1747149925, now seen corresponding path program 1 times [2024-11-10 19:00:05,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:05,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669437116] [2024-11-10 19:00:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507536825] [2024-11-10 19:00:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:05,368 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 19:00:05,369 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 19:00:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:05,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:05,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:05,436 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:05,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:05,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669437116] [2024-11-10 19:00:05,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:05,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507536825] [2024-11-10 19:00:05,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507536825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:05,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:05,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:05,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779265602] [2024-11-10 19:00:05,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:05,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:05,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:05,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:05,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:05,437 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:05,614 INFO L93 Difference]: Finished difference Result 287 states and 335 transitions. [2024-11-10 19:00:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:05,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-10 19:00:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:05,615 INFO L225 Difference]: With dead ends: 287 [2024-11-10 19:00:05,615 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 19:00:05,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:05,616 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 192 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:05,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 261 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 19:00:05,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 221. [2024-11-10 19:00:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.488235294117647) internal successors, (253), 213 states have internal predecessors, (253), 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 19:00:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 263 transitions. [2024-11-10 19:00:05,621 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 263 transitions. Word has length 31 [2024-11-10 19:00:05,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:05,622 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 263 transitions. [2024-11-10 19:00:05,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2024-11-10 19:00:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:00:05,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:05,622 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:05,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:00:05,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,823 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:05,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1672927247, now seen corresponding path program 1 times [2024-11-10 19:00:05,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:05,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291955250] [2024-11-10 19:00:05,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217820241] [2024-11-10 19:00:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:05,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:05,832 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 19:00:05,833 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 19:00:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:05,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:05,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:05,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:05,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:05,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291955250] [2024-11-10 19:00:05,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:05,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217820241] [2024-11-10 19:00:05,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217820241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:05,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:05,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:05,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585594043] [2024-11-10 19:00:05,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:05,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:05,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:05,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:05,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:05,904 INFO L87 Difference]: Start difference. First operand 221 states and 263 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:06,124 INFO L93 Difference]: Finished difference Result 283 states and 298 transitions. [2024-11-10 19:00:06,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:00:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-10 19:00:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:06,126 INFO L225 Difference]: With dead ends: 283 [2024-11-10 19:00:06,126 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 19:00:06,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:06,127 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 258 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:06,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 288 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:06,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 19:00:06,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 221. [2024-11-10 19:00:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.4705882352941178) internal successors, (250), 213 states have internal predecessors, (250), 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 19:00:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 260 transitions. [2024-11-10 19:00:06,134 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 260 transitions. Word has length 32 [2024-11-10 19:00:06,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:06,134 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 260 transitions. [2024-11-10 19:00:06,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 260 transitions. [2024-11-10 19:00:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:00:06,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:06,135 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:06,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:00:06,335 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,SelfDestructingSolverStorable12 [2024-11-10 19:00:06,336 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:06,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash 321137177, now seen corresponding path program 1 times [2024-11-10 19:00:06,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:06,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164741220] [2024-11-10 19:00:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:06,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194737070] [2024-11-10 19:00:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:06,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:06,348 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 19:00:06,349 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 19:00:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:06,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:06,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:06,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:06,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:06,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164741220] [2024-11-10 19:00:06,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:06,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194737070] [2024-11-10 19:00:06,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194737070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:06,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:06,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:00:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344275058] [2024-11-10 19:00:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:06,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:06,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:06,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:06,483 INFO L87 Difference]: Start difference. First operand 221 states and 260 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:06,703 INFO L93 Difference]: Finished difference Result 282 states and 329 transitions. [2024-11-10 19:00:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:06,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 19:00:06,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:06,705 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:06,705 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:06,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:06,706 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 278 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:06,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 240 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:06,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:06,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 223. [2024-11-10 19:00:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 172 states have (on average 1.4593023255813953) internal successors, (251), 215 states have internal predecessors, (251), 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 19:00:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 261 transitions. [2024-11-10 19:00:06,711 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 261 transitions. Word has length 33 [2024-11-10 19:00:06,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:06,711 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 261 transitions. [2024-11-10 19:00:06,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 261 transitions. [2024-11-10 19:00:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:00:06,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:06,712 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:06,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:00:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:00:06,913 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:06,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1365317965, now seen corresponding path program 1 times [2024-11-10 19:00:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:06,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740162616] [2024-11-10 19:00:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:06,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:07,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:07,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740162616] [2024-11-10 19:00:07,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740162616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:07,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991278128] [2024-11-10 19:00:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:07,006 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 19:00:07,006 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 19:00:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:07,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:07,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:07,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991278128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:07,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:07,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 19:00:07,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271653976] [2024-11-10 19:00:07,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:07,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:07,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:07,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:07,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:07,140 INFO L87 Difference]: Start difference. First operand 223 states and 261 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:07,425 INFO L93 Difference]: Finished difference Result 282 states and 327 transitions. [2024-11-10 19:00:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-10 19:00:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:07,426 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:00:07,426 INFO L226 Difference]: Without dead ends: 280 [2024-11-10 19:00:07,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:07,427 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 325 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:07,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 220 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-10 19:00:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 224. [2024-11-10 19:00:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 173 states have (on average 1.4508670520231215) internal successors, (251), 216 states have internal predecessors, (251), 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 19:00:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2024-11-10 19:00:07,432 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 34 [2024-11-10 19:00:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:07,432 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2024-11-10 19:00:07,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2024-11-10 19:00:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:00:07,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:07,433 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:07,447 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 19:00:07,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:00:07,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:07,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 847269653, now seen corresponding path program 1 times [2024-11-10 19:00:07,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:07,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410054119] [2024-11-10 19:00:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:07,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:07,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410054119] [2024-11-10 19:00:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410054119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:07,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:07,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:00:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140744643] [2024-11-10 19:00:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:07,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:07,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:07,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:07,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:07,726 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:07,948 INFO L93 Difference]: Finished difference Result 224 states and 261 transitions. [2024-11-10 19:00:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:07,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-10 19:00:07,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:07,949 INFO L225 Difference]: With dead ends: 224 [2024-11-10 19:00:07,949 INFO L226 Difference]: Without dead ends: 222 [2024-11-10 19:00:07,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:07,950 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 131 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:07,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 226 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-10 19:00:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-10 19:00:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 173 states have (on average 1.4219653179190752) internal successors, (246), 214 states have internal predecessors, (246), 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 19:00:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 256 transitions. [2024-11-10 19:00:07,955 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 256 transitions. Word has length 37 [2024-11-10 19:00:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:07,955 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 256 transitions. [2024-11-10 19:00:07,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 256 transitions. [2024-11-10 19:00:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:00:07,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:07,956 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:07,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:00:07,956 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:07,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 495555529, now seen corresponding path program 1 times [2024-11-10 19:00:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037066278] [2024-11-10 19:00:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:07,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400573054] [2024-11-10 19:00:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:07,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:07,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:07,969 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 19:00:07,970 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 19:00:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:07,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:07,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:08,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:08,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037066278] [2024-11-10 19:00:08,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400573054] [2024-11-10 19:00:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400573054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:08,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:08,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:00:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106431688] [2024-11-10 19:00:08,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:08,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:00:08,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:08,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:00:08,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:08,140 INFO L87 Difference]: Start difference. First operand 222 states and 256 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:08,444 INFO L93 Difference]: Finished difference Result 274 states and 319 transitions. [2024-11-10 19:00:08,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:00:08,445 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-10 19:00:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:08,446 INFO L225 Difference]: With dead ends: 274 [2024-11-10 19:00:08,446 INFO L226 Difference]: Without dead ends: 272 [2024-11-10 19:00:08,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:08,447 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 357 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:08,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 154 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:08,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-10 19:00:08,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 226. [2024-11-10 19:00:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.4067796610169492) internal successors, (249), 218 states have internal predecessors, (249), 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 19:00:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 259 transitions. [2024-11-10 19:00:08,453 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 259 transitions. Word has length 38 [2024-11-10 19:00:08,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:08,453 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 259 transitions. [2024-11-10 19:00:08,453 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:00:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 259 transitions. [2024-11-10 19:00:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 19:00:08,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:08,453 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:08,465 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 19:00:08,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:00:08,654 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:08,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1817647725, now seen corresponding path program 1 times [2024-11-10 19:00:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:08,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150939612] [2024-11-10 19:00:08,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:08,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:08,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150939612] [2024-11-10 19:00:08,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150939612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:08,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:08,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:08,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669102839] [2024-11-10 19:00:08,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:08,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:08,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:08,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:08,697 INFO L87 Difference]: Start difference. First operand 226 states and 259 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:08,910 INFO L93 Difference]: Finished difference Result 247 states and 286 transitions. [2024-11-10 19:00:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:08,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-10 19:00:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:08,911 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:08,912 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:08,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:08,912 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 102 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:08,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 161 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2024-11-10 19:00:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.398876404494382) internal successors, (249), 219 states have internal predecessors, (249), 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 19:00:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2024-11-10 19:00:08,920 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 39 [2024-11-10 19:00:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:08,920 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2024-11-10 19:00:08,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2024-11-10 19:00:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:00:08,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:08,920 INFO L215 NwaCegarLoop]: trace histogram [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 19:00:08,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:00:08,921 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:08,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash -512504569, now seen corresponding path program 1 times [2024-11-10 19:00:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204765154] [2024-11-10 19:00:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:08,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:08,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204765154] [2024-11-10 19:00:08,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204765154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:08,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:08,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128898665] [2024-11-10 19:00:08,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:08,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:08,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:08,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:08,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:08,962 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,209 INFO L93 Difference]: Finished difference Result 247 states and 284 transitions. [2024-11-10 19:00:09,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:09,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2024-11-10 19:00:09,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,211 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:09,211 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:09,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:00:09,211 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 74 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 175 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:09,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 228. [2024-11-10 19:00:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 179 states have (on average 1.3910614525139664) internal successors, (249), 220 states have internal predecessors, (249), 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 19:00:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2024-11-10 19:00:09,216 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 40 [2024-11-10 19:00:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,217 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2024-11-10 19:00:09,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:00:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2024-11-10 19:00:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:00:09,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:00:09,217 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1898511097, now seen corresponding path program 1 times [2024-11-10 19:00:09,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753823231] [2024-11-10 19:00:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:09,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:09,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753823231] [2024-11-10 19:00:09,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753823231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:09,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:09,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075599840] [2024-11-10 19:00:09,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:09,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:09,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:09,268 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 19:00:09,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,469 INFO L93 Difference]: Finished difference Result 247 states and 282 transitions. [2024-11-10 19:00:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:09,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 50 [2024-11-10 19:00:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,470 INFO L225 Difference]: With dead ends: 247 [2024-11-10 19:00:09,470 INFO L226 Difference]: Without dead ends: 245 [2024-11-10 19:00:09,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:09,471 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 345 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 138 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:09,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-10 19:00:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 237. [2024-11-10 19:00:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 188 states have (on average 1.377659574468085) internal successors, (259), 229 states have internal predecessors, (259), 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 19:00:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2024-11-10 19:00:09,476 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 50 [2024-11-10 19:00:09,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,477 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2024-11-10 19:00:09,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 19:00:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2024-11-10 19:00:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:00:09,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 19:00:09,477 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1275698164, now seen corresponding path program 1 times [2024-11-10 19:00:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124619377] [2024-11-10 19:00:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:09,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:09,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124619377] [2024-11-10 19:00:09,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124619377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:09,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:09,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165666066] [2024-11-10 19:00:09,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:09,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:09,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:09,524 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:09,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,592 INFO L93 Difference]: Finished difference Result 237 states and 269 transitions. [2024-11-10 19:00:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:09,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2024-11-10 19:00:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,593 INFO L225 Difference]: With dead ends: 237 [2024-11-10 19:00:09,593 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:00:09,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 19:00:09,594 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 161 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:00:09,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-10 19:00:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.3670212765957446) internal successors, (257), 228 states have internal predecessors, (257), 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 19:00:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2024-11-10 19:00:09,599 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 51 [2024-11-10 19:00:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,599 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2024-11-10 19:00:09,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2024-11-10 19:00:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:00:09,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:00:09,600 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,601 INFO L85 PathProgramCache]: Analyzing trace with hash -994704365, now seen corresponding path program 1 times [2024-11-10 19:00:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6378069] [2024-11-10 19:00:09,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:09,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:09,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6378069] [2024-11-10 19:00:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6378069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:09,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012149152] [2024-11-10 19:00:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:09,658 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 19:00:09,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,833 INFO L93 Difference]: Finished difference Result 241 states and 272 transitions. [2024-11-10 19:00:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:00:09,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 53 [2024-11-10 19:00:09,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,836 INFO L225 Difference]: With dead ends: 241 [2024-11-10 19:00:09,836 INFO L226 Difference]: Without dead ends: 240 [2024-11-10 19:00:09,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:09,836 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 164 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 181 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-10 19:00:09,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2024-11-10 19:00:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 229 states have internal predecessors, (258), 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 19:00:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2024-11-10 19:00:09,842 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 53 [2024-11-10 19:00:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,842 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2024-11-10 19:00:09,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 19:00:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2024-11-10 19:00:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:00:09,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,843 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 19:00:09,843 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1841572796, now seen corresponding path program 1 times [2024-11-10 19:00:09,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856879028] [2024-11-10 19:00:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:09,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:09,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856879028] [2024-11-10 19:00:09,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856879028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:09,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:09,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:09,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461110381] [2024-11-10 19:00:09,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:09,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:09,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:09,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:09,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:09,880 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:09,986 INFO L93 Difference]: Finished difference Result 255 states and 288 transitions. [2024-11-10 19:00:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:09,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-11-10 19:00:09,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:09,987 INFO L225 Difference]: With dead ends: 255 [2024-11-10 19:00:09,988 INFO L226 Difference]: Without dead ends: 253 [2024-11-10 19:00:09,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:09,988 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 21 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:09,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 331 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:09,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-10 19:00:09,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2024-11-10 19:00:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 201 states have (on average 1.3532338308457712) internal successors, (272), 241 states have internal predecessors, (272), 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 19:00:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 282 transitions. [2024-11-10 19:00:09,994 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 282 transitions. Word has length 54 [2024-11-10 19:00:09,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:09,994 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 282 transitions. [2024-11-10 19:00:09,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 282 transitions. [2024-11-10 19:00:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:00:09,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:09,995 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:09,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 19:00:09,995 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:09,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:09,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1866813521, now seen corresponding path program 1 times [2024-11-10 19:00:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:09,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148929155] [2024-11-10 19:00:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:10,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148929155] [2024-11-10 19:00:10,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148929155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:10,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:10,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636571150] [2024-11-10 19:00:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:10,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:10,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:10,033 INFO L87 Difference]: Start difference. First operand 249 states and 282 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:10,132 INFO L93 Difference]: Finished difference Result 288 states and 299 transitions. [2024-11-10 19:00:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:10,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-10 19:00:10,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:10,134 INFO L225 Difference]: With dead ends: 288 [2024-11-10 19:00:10,134 INFO L226 Difference]: Without dead ends: 286 [2024-11-10 19:00:10,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:10,134 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 61 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:10,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 361 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:10,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-10 19:00:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 258. [2024-11-10 19:00:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.338095238095238) internal successors, (281), 250 states have internal predecessors, (281), 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 19:00:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 291 transitions. [2024-11-10 19:00:10,142 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 291 transitions. Word has length 55 [2024-11-10 19:00:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:10,142 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 291 transitions. [2024-11-10 19:00:10,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 291 transitions. [2024-11-10 19:00:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:00:10,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:10,143 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:10,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 19:00:10,143 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:10,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:10,144 INFO L85 PathProgramCache]: Analyzing trace with hash -750471364, now seen corresponding path program 1 times [2024-11-10 19:00:10,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:10,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140206231] [2024-11-10 19:00:10,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:10,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521958278] [2024-11-10 19:00:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:10,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:10,158 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 19:00:10,159 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 19:00:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:10,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:10,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:10,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140206231] [2024-11-10 19:00:10,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:10,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521958278] [2024-11-10 19:00:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521958278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:10,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:10,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:00:10,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860333725] [2024-11-10 19:00:10,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:10,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:00:10,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:10,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:00:10,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:10,376 INFO L87 Difference]: Start difference. First operand 258 states and 291 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:10,567 INFO L93 Difference]: Finished difference Result 258 states and 291 transitions. [2024-11-10 19:00:10,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:10,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-11-10 19:00:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:10,568 INFO L225 Difference]: With dead ends: 258 [2024-11-10 19:00:10,568 INFO L226 Difference]: Without dead ends: 255 [2024-11-10 19:00:10,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:10,568 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 121 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:10,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 395 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-10 19:00:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-10 19:00:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 210 states have (on average 1.3095238095238095) internal successors, (275), 247 states have internal predecessors, (275), 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 19:00:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 285 transitions. [2024-11-10 19:00:10,575 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 285 transitions. Word has length 59 [2024-11-10 19:00:10,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:10,575 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 285 transitions. [2024-11-10 19:00:10,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 285 transitions. [2024-11-10 19:00:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:00:10,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:10,576 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:10,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:10,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:00:10,776 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:10,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:10,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1789775712, now seen corresponding path program 1 times [2024-11-10 19:00:10,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:10,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865316935] [2024-11-10 19:00:10,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:10,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425460205] [2024-11-10 19:00:10,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:10,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:10,787 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 19:00:10,787 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 19:00:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:10,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:10,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:11,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:11,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:11,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865316935] [2024-11-10 19:00:11,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:11,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425460205] [2024-11-10 19:00:11,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425460205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:11,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:11,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:00:11,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104054123] [2024-11-10 19:00:11,821 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:11,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:11,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:11,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:11,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:11,822 INFO L87 Difference]: Start difference. First operand 255 states and 285 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:12,176 INFO L93 Difference]: Finished difference Result 317 states and 355 transitions. [2024-11-10 19:00:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:00:12,177 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 60 [2024-11-10 19:00:12,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:12,177 INFO L225 Difference]: With dead ends: 317 [2024-11-10 19:00:12,177 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 19:00:12,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:12,178 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 416 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:12,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 370 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 19:00:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 265. [2024-11-10 19:00:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 219 states have (on average 1.3333333333333333) internal successors, (292), 256 states have internal predecessors, (292), 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 19:00:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 304 transitions. [2024-11-10 19:00:12,185 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 304 transitions. Word has length 60 [2024-11-10 19:00:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:12,185 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 304 transitions. [2024-11-10 19:00:12,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 304 transitions. [2024-11-10 19:00:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:00:12,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:12,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:12,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:00:12,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:00:12,387 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:12,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:12,387 INFO L85 PathProgramCache]: Analyzing trace with hash -323005289, now seen corresponding path program 1 times [2024-11-10 19:00:12,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:12,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746049468] [2024-11-10 19:00:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:12,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349971375] [2024-11-10 19:00:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:12,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:12,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:12,397 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 19:00:12,398 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 19:00:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:12,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:12,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:12,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:12,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746049468] [2024-11-10 19:00:12,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349971375] [2024-11-10 19:00:12,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349971375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:12,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:12,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-10 19:00:12,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201126852] [2024-11-10 19:00:12,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:12,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:12,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:12,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:12,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:12,870 INFO L87 Difference]: Start difference. First operand 265 states and 304 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:00:13,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:13,531 INFO L93 Difference]: Finished difference Result 405 states and 474 transitions. [2024-11-10 19:00:13,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:00:13,531 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2024-11-10 19:00:13,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:13,532 INFO L225 Difference]: With dead ends: 405 [2024-11-10 19:00:13,532 INFO L226 Difference]: Without dead ends: 399 [2024-11-10 19:00:13,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:00:13,533 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 700 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:13,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 427 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:00:13,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-10 19:00:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 299. [2024-11-10 19:00:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 254 states have (on average 1.3188976377952757) internal successors, (335), 289 states have internal predecessors, (335), 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 19:00:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 349 transitions. [2024-11-10 19:00:13,543 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 349 transitions. Word has length 65 [2024-11-10 19:00:13,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:13,543 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 349 transitions. [2024-11-10 19:00:13,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:00:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 349 transitions. [2024-11-10 19:00:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:00:13,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:13,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:13,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:00:13,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:13,748 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:13,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash 185031016, now seen corresponding path program 1 times [2024-11-10 19:00:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962088616] [2024-11-10 19:00:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:13,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672533675] [2024-11-10 19:00:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:13,767 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 19:00:13,769 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 19:00:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:13,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:00:13,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:13,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:14,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962088616] [2024-11-10 19:00:14,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672533675] [2024-11-10 19:00:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672533675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:14,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:14,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:00:14,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549163572] [2024-11-10 19:00:14,083 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:14,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:14,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:14,084 INFO L87 Difference]: Start difference. First operand 299 states and 349 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:14,391 INFO L93 Difference]: Finished difference Result 309 states and 352 transitions. [2024-11-10 19:00:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:14,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2024-11-10 19:00:14,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:14,392 INFO L225 Difference]: With dead ends: 309 [2024-11-10 19:00:14,392 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 19:00:14,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:14,393 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 160 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:14,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 414 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 19:00:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 295. [2024-11-10 19:00:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 254 states have (on average 1.295275590551181) internal successors, (329), 285 states have internal predecessors, (329), 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 19:00:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 343 transitions. [2024-11-10 19:00:14,400 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 343 transitions. Word has length 67 [2024-11-10 19:00:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:14,401 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 343 transitions. [2024-11-10 19:00:14,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 343 transitions. [2024-11-10 19:00:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:00:14,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:14,402 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:14,419 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 19:00:14,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:00:14,602 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:14,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:14,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1440994287, now seen corresponding path program 1 times [2024-11-10 19:00:14,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:14,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78105786] [2024-11-10 19:00:14,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:14,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:14,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648559649] [2024-11-10 19:00:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:14,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:14,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:14,616 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 19:00:14,617 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 19:00:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:14,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:00:14,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:14,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:15,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:15,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78105786] [2024-11-10 19:00:15,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:15,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648559649] [2024-11-10 19:00:15,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648559649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:15,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:15,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:00:15,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933919446] [2024-11-10 19:00:15,574 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:15,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:00:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:00:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:15,576 INFO L87 Difference]: Start difference. First operand 295 states and 343 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:15,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:15,934 INFO L93 Difference]: Finished difference Result 387 states and 445 transitions. [2024-11-10 19:00:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:00:15,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2024-11-10 19:00:15,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:15,935 INFO L225 Difference]: With dead ends: 387 [2024-11-10 19:00:15,935 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 19:00:15,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:15,936 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 300 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:15,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 488 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 19:00:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 342. [2024-11-10 19:00:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 300 states have (on average 1.32) internal successors, (396), 331 states have internal predecessors, (396), 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 19:00:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 412 transitions. [2024-11-10 19:00:15,945 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 412 transitions. Word has length 68 [2024-11-10 19:00:15,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:15,945 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 412 transitions. [2024-11-10 19:00:15,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:00:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 412 transitions. [2024-11-10 19:00:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:00:15,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:15,946 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:15,962 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 19:00:16,149 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,SelfDestructingSolverStorable28 [2024-11-10 19:00:16,150 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:16,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:16,150 INFO L85 PathProgramCache]: Analyzing trace with hash 493596051, now seen corresponding path program 1 times [2024-11-10 19:00:16,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:16,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004484635] [2024-11-10 19:00:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:16,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642449335] [2024-11-10 19:00:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:16,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:16,162 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 19:00:16,163 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 19:00:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:16,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:16,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:16,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:16,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:16,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004484635] [2024-11-10 19:00:16,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:16,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642449335] [2024-11-10 19:00:16,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642449335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:16,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:16,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-10 19:00:16,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520025030] [2024-11-10 19:00:16,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:16,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:16,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:16,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:16,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:00:16,310 INFO L87 Difference]: Start difference. First operand 342 states and 412 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:16,462 INFO L93 Difference]: Finished difference Result 388 states and 444 transitions. [2024-11-10 19:00:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:16,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2024-11-10 19:00:16,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:16,464 INFO L225 Difference]: With dead ends: 388 [2024-11-10 19:00:16,464 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 19:00:16,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:16,465 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 334 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:16,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 261 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 19:00:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2024-11-10 19:00:16,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 300 states have (on average 1.31) internal successors, (393), 331 states have internal predecessors, (393), 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 19:00:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 409 transitions. [2024-11-10 19:00:16,473 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 409 transitions. Word has length 69 [2024-11-10 19:00:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:16,473 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 409 transitions. [2024-11-10 19:00:16,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 409 transitions. [2024-11-10 19:00:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 19:00:16,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:16,474 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:16,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:16,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:16,675 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:16,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:16,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1899404817, now seen corresponding path program 1 times [2024-11-10 19:00:16,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:16,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982959468] [2024-11-10 19:00:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:16,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393443254] [2024-11-10 19:00:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:16,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:16,691 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 19:00:16,693 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 19:00:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:16,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:00:16,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:16,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:17,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:17,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982959468] [2024-11-10 19:00:17,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:17,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393443254] [2024-11-10 19:00:17,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393443254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:17,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:17,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-10 19:00:17,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692195270] [2024-11-10 19:00:17,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:17,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:17,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:17,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:17,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:17,296 INFO L87 Difference]: Start difference. First operand 342 states and 409 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 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 19:00:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:20,350 INFO L93 Difference]: Finished difference Result 399 states and 473 transitions. [2024-11-10 19:00:20,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:00:20,351 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 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 71 [2024-11-10 19:00:20,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:20,352 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:00:20,352 INFO L226 Difference]: Without dead ends: 397 [2024-11-10 19:00:20,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:00:20,353 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 376 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:20,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 436 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-10 19:00:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-10 19:00:20,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 347. [2024-11-10 19:00:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 305 states have (on average 1.301639344262295) internal successors, (397), 336 states have internal predecessors, (397), 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 19:00:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 413 transitions. [2024-11-10 19:00:20,362 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 413 transitions. Word has length 71 [2024-11-10 19:00:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:20,362 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 413 transitions. [2024-11-10 19:00:20,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 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 19:00:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 413 transitions. [2024-11-10 19:00:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:00:20,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:20,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:20,375 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 19:00:20,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:20,563 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:20,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:20,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1247992747, now seen corresponding path program 1 times [2024-11-10 19:00:20,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:20,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2869316] [2024-11-10 19:00:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:20,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:20,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2869316] [2024-11-10 19:00:20,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2869316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:20,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776859997] [2024-11-10 19:00:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:20,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:20,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:20,623 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 19:00:20,625 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 19:00:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:20,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:20,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:20,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:20,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776859997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:20,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:20,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-10 19:00:20,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134434352] [2024-11-10 19:00:20,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:20,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:00:20,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:20,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:00:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:00:20,773 INFO L87 Difference]: Start difference. First operand 347 states and 413 transitions. Second operand has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:21,009 INFO L93 Difference]: Finished difference Result 347 states and 413 transitions. [2024-11-10 19:00:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 72 [2024-11-10 19:00:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:21,010 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:00:21,010 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 19:00:21,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:00:21,011 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 254 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:21,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 412 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:21,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 19:00:21,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-10 19:00:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 305 states have (on average 1.278688524590164) internal successors, (390), 334 states have internal predecessors, (390), 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 19:00:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 406 transitions. [2024-11-10 19:00:21,021 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 406 transitions. Word has length 72 [2024-11-10 19:00:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:21,021 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 406 transitions. [2024-11-10 19:00:21,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 406 transitions. [2024-11-10 19:00:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:00:21,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:21,022 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:21,033 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 19:00:21,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:21,222 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:21,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1460838891, now seen corresponding path program 1 times [2024-11-10 19:00:21,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:21,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279798204] [2024-11-10 19:00:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:21,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:21,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413719539] [2024-11-10 19:00:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:21,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:21,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:21,235 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 19:00:21,236 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 19:00:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:21,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:00:21,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:21,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:21,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:21,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279798204] [2024-11-10 19:00:21,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:21,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413719539] [2024-11-10 19:00:21,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413719539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:21,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:21,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:00:21,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78334142] [2024-11-10 19:00:21,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:21,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:00:21,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:21,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:00:21,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:21,667 INFO L87 Difference]: Start difference. First operand 345 states and 406 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:22,035 INFO L93 Difference]: Finished difference Result 363 states and 423 transitions. [2024-11-10 19:00:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:00:22,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2024-11-10 19:00:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:22,036 INFO L225 Difference]: With dead ends: 363 [2024-11-10 19:00:22,036 INFO L226 Difference]: Without dead ends: 361 [2024-11-10 19:00:22,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:22,037 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 292 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:22,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 384 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-10 19:00:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 343. [2024-11-10 19:00:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 305 states have (on average 1.2622950819672132) internal successors, (385), 332 states have internal predecessors, (385), 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 19:00:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 401 transitions. [2024-11-10 19:00:22,046 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 401 transitions. Word has length 72 [2024-11-10 19:00:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:22,046 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 401 transitions. [2024-11-10 19:00:22,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 401 transitions. [2024-11-10 19:00:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 19:00:22,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:22,047 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:22,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:22,252 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,SelfDestructingSolverStorable32 [2024-11-10 19:00:22,252 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:22,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1958634557, now seen corresponding path program 1 times [2024-11-10 19:00:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:22,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472774375] [2024-11-10 19:00:22,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:22,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382061699] [2024-11-10 19:00:22,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:22,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:22,262 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 19:00:22,263 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 19:00:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:22,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:00:22,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:22,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:22,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:22,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472774375] [2024-11-10 19:00:22,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:22,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382061699] [2024-11-10 19:00:22,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382061699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:22,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:22,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-10 19:00:22,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740197976] [2024-11-10 19:00:22,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:22,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:22,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:22,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:22,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:22,948 INFO L87 Difference]: Start difference. First operand 343 states and 401 transitions. Second operand has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:24,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:24,352 INFO L93 Difference]: Finished difference Result 491 states and 543 transitions. [2024-11-10 19:00:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:00:24,352 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 73 [2024-11-10 19:00:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:24,353 INFO L225 Difference]: With dead ends: 491 [2024-11-10 19:00:24,353 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 19:00:24,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-10 19:00:24,354 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1041 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:24,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 689 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:00:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 19:00:24,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 387. [2024-11-10 19:00:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 348 states have (on average 1.2672413793103448) internal successors, (441), 375 states have internal predecessors, (441), 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 19:00:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2024-11-10 19:00:24,365 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 73 [2024-11-10 19:00:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:24,365 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2024-11-10 19:00:24,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2024-11-10 19:00:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:00:24,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:24,366 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:24,377 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 19:00:24,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:00:24,566 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:24,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash -588129047, now seen corresponding path program 1 times [2024-11-10 19:00:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:24,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653988601] [2024-11-10 19:00:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787735678] [2024-11-10 19:00:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:24,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:24,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:24,575 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 19:00:24,576 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 19:00:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:24,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:00:24,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:24,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:25,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:25,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653988601] [2024-11-10 19:00:25,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:25,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787735678] [2024-11-10 19:00:25,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787735678] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:25,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:25,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-11-10 19:00:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71241988] [2024-11-10 19:00:25,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:25,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:00:25,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:25,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:00:25,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:00:25,925 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:32,545 INFO L93 Difference]: Finished difference Result 608 states and 734 transitions. [2024-11-10 19:00:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-10 19:00:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 74 [2024-11-10 19:00:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:32,547 INFO L225 Difference]: With dead ends: 608 [2024-11-10 19:00:32,547 INFO L226 Difference]: Without dead ends: 604 [2024-11-10 19:00:32,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2024-11-10 19:00:32,548 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 894 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:32,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 478 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-10 19:00:32,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-10 19:00:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 440. [2024-11-10 19:00:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 401 states have (on average 1.254364089775561) internal successors, (503), 428 states have internal predecessors, (503), 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 19:00:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 521 transitions. [2024-11-10 19:00:32,561 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 521 transitions. Word has length 74 [2024-11-10 19:00:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:32,561 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 521 transitions. [2024-11-10 19:00:32,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.521739130434782) internal successors, (127), 24 states have internal predecessors, (127), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 521 transitions. [2024-11-10 19:00:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:00:32,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:32,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:32,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:32,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:32,762 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:32,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1052131199, now seen corresponding path program 1 times [2024-11-10 19:00:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:32,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975308927] [2024-11-10 19:00:32,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:32,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785222953] [2024-11-10 19:00:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:32,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:32,771 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 19:00:32,772 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 19:00:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:32,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:00:32,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:33,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:33,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975308927] [2024-11-10 19:00:33,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785222953] [2024-11-10 19:00:33,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785222953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:33,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:33,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:00:33,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336038885] [2024-11-10 19:00:33,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:33,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:33,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:33,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:33,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:00:33,743 INFO L87 Difference]: Start difference. First operand 440 states and 521 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:34,371 INFO L93 Difference]: Finished difference Result 466 states and 540 transitions. [2024-11-10 19:00:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:00:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 75 [2024-11-10 19:00:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:34,372 INFO L225 Difference]: With dead ends: 466 [2024-11-10 19:00:34,372 INFO L226 Difference]: Without dead ends: 462 [2024-11-10 19:00:34,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:00:34,373 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 268 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:34,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 531 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:00:34,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-10 19:00:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 447. [2024-11-10 19:00:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 408 states have (on average 1.2475490196078431) internal successors, (509), 435 states have internal predecessors, (509), 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 19:00:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 527 transitions. [2024-11-10 19:00:34,385 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 527 transitions. Word has length 75 [2024-11-10 19:00:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:34,385 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 527 transitions. [2024-11-10 19:00:34,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 527 transitions. [2024-11-10 19:00:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:00:34,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:34,385 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:34,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:00:34,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:34,586 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:34,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1623663919, now seen corresponding path program 1 times [2024-11-10 19:00:34,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:34,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940861312] [2024-11-10 19:00:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:34,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:34,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:34,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940861312] [2024-11-10 19:00:34,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940861312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:34,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679998150] [2024-11-10 19:00:34,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:34,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:34,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:34,634 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 19:00:34,635 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 19:00:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:34,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:34,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:34,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679998150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:34,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:34,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 19:00:34,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278787075] [2024-11-10 19:00:34,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:34,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:00:34,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:34,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:00:34,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:34,871 INFO L87 Difference]: Start difference. First operand 447 states and 527 transitions. Second operand has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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 19:00:35,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:35,263 INFO L93 Difference]: Finished difference Result 629 states and 764 transitions. [2024-11-10 19:00:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:00:35,263 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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 76 [2024-11-10 19:00:35,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:35,265 INFO L225 Difference]: With dead ends: 629 [2024-11-10 19:00:35,265 INFO L226 Difference]: Without dead ends: 627 [2024-11-10 19:00:35,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:35,265 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 189 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:35,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 326 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-10 19:00:35,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 597. [2024-11-10 19:00:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 555 states have (on average 1.2756756756756757) internal successors, (708), 582 states have internal predecessors, (708), 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 19:00:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 732 transitions. [2024-11-10 19:00:35,282 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 732 transitions. Word has length 76 [2024-11-10 19:00:35,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:35,282 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 732 transitions. [2024-11-10 19:00:35,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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 19:00:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 732 transitions. [2024-11-10 19:00:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:00:35,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:35,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:35,295 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 19:00:35,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:00:35,484 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:35,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1206026123, now seen corresponding path program 1 times [2024-11-10 19:00:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:35,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369220430] [2024-11-10 19:00:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:35,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:35,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369220430] [2024-11-10 19:00:35,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369220430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:35,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:35,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:00:35,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285712473] [2024-11-10 19:00:35,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:35,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:35,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:35,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:35,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:35,530 INFO L87 Difference]: Start difference. First operand 597 states and 732 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 19:00:35,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:35,787 INFO L93 Difference]: Finished difference Result 870 states and 1089 transitions. [2024-11-10 19:00:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:35,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 77 [2024-11-10 19:00:35,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:35,789 INFO L225 Difference]: With dead ends: 870 [2024-11-10 19:00:35,789 INFO L226 Difference]: Without dead ends: 868 [2024-11-10 19:00:35,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:00:35,790 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:35,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 309 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:35,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-10 19:00:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 795. [2024-11-10 19:00:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 748 states have (on average 1.2914438502673797) internal successors, (966), 775 states have internal predecessors, (966), 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 19:00:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1000 transitions. [2024-11-10 19:00:35,814 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1000 transitions. Word has length 77 [2024-11-10 19:00:35,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:35,815 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1000 transitions. [2024-11-10 19:00:35,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 19:00:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1000 transitions. [2024-11-10 19:00:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:00:35,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:35,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:35,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 19:00:35,815 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:35,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1267895793, now seen corresponding path program 1 times [2024-11-10 19:00:35,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:35,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138916940] [2024-11-10 19:00:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:35,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:35,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138916940] [2024-11-10 19:00:35,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138916940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:35,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956786740] [2024-11-10 19:00:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:35,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:35,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:35,900 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 19:00:35,907 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 19:00:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:35,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:35,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:00:36,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:36,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956786740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:36,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:36,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-10 19:00:36,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788366711] [2024-11-10 19:00:36,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:36,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:00:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:00:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:36,154 INFO L87 Difference]: Start difference. First operand 795 states and 1000 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:36,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:36,413 INFO L93 Difference]: Finished difference Result 812 states and 1015 transitions. [2024-11-10 19:00:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:36,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 78 [2024-11-10 19:00:36,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:36,415 INFO L225 Difference]: With dead ends: 812 [2024-11-10 19:00:36,416 INFO L226 Difference]: Without dead ends: 810 [2024-11-10 19:00:36,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:36,416 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 170 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:36,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 309 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:36,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-10 19:00:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 803. [2024-11-10 19:00:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 756 states have (on average 1.287037037037037) internal successors, (973), 783 states have internal predecessors, (973), 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 19:00:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1007 transitions. [2024-11-10 19:00:36,446 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1007 transitions. Word has length 78 [2024-11-10 19:00:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:36,446 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1007 transitions. [2024-11-10 19:00:36,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1007 transitions. [2024-11-10 19:00:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:00:36,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:36,447 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:36,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:36,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:00:36,647 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:36,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:36,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2134443807, now seen corresponding path program 1 times [2024-11-10 19:00:36,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:36,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312825219] [2024-11-10 19:00:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:36,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505038992] [2024-11-10 19:00:36,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:36,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:36,661 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:36,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:00:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:36,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:00:36,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:36,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:00:37,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:37,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312825219] [2024-11-10 19:00:37,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:37,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505038992] [2024-11-10 19:00:37,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505038992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:37,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:37,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-10 19:00:37,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283893898] [2024-11-10 19:00:37,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:37,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:00:37,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:37,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:00:37,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:37,252 INFO L87 Difference]: Start difference. First operand 803 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 19:00:39,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:39,751 INFO L93 Difference]: Finished difference Result 818 states and 1023 transitions. [2024-11-10 19:00:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 19:00:39,752 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 82 [2024-11-10 19:00:39,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:39,754 INFO L225 Difference]: With dead ends: 818 [2024-11-10 19:00:39,754 INFO L226 Difference]: Without dead ends: 815 [2024-11-10 19:00:39,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:00:39,754 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 317 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:39,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 217 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 19:00:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-10 19:00:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 813. [2024-11-10 19:00:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 767 states have (on average 1.2777053455019556) internal successors, (980), 793 states have internal predecessors, (980), 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 19:00:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1014 transitions. [2024-11-10 19:00:39,782 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1014 transitions. Word has length 82 [2024-11-10 19:00:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:39,782 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1014 transitions. [2024-11-10 19:00:39,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 19:00:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1014 transitions. [2024-11-10 19:00:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:00:39,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:39,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:39,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:39,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:00:39,987 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:39,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:39,987 INFO L85 PathProgramCache]: Analyzing trace with hash -856948721, now seen corresponding path program 1 times [2024-11-10 19:00:39,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:39,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304548805] [2024-11-10 19:00:39,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:40,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:40,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304548805] [2024-11-10 19:00:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304548805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:40,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235214142] [2024-11-10 19:00:40,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:40,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:40,057 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:40,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:00:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:40,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:40,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:40,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:40,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235214142] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:40,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:40,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:00:40,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384323446] [2024-11-10 19:00:40,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:40,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:00:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:40,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:00:40,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:00:40,373 INFO L87 Difference]: Start difference. First operand 813 states and 1014 transitions. Second operand has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:00:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:40,712 INFO L93 Difference]: Finished difference Result 1267 states and 1583 transitions. [2024-11-10 19:00:40,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:00:40,713 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 88 [2024-11-10 19:00:40,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:40,716 INFO L225 Difference]: With dead ends: 1267 [2024-11-10 19:00:40,716 INFO L226 Difference]: Without dead ends: 1265 [2024-11-10 19:00:40,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:00:40,716 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 1029 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:40,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 383 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-10 19:00:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1089. [2024-11-10 19:00:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1036 states have (on average 1.2712355212355213) internal successors, (1317), 1061 states have internal predecessors, (1317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:00:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1367 transitions. [2024-11-10 19:00:40,758 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1367 transitions. Word has length 88 [2024-11-10 19:00:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:40,758 INFO L471 AbstractCegarLoop]: Abstraction has 1089 states and 1367 transitions. [2024-11-10 19:00:40,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 17.25) internal successors, (207), 13 states have internal predecessors, (207), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:00:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1367 transitions. [2024-11-10 19:00:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 19:00:40,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:40,759 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:40,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:00:40,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:40,959 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:40,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:40,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1346292747, now seen corresponding path program 1 times [2024-11-10 19:00:40,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:40,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562197635] [2024-11-10 19:00:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:40,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:41,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:41,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562197635] [2024-11-10 19:00:41,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562197635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:41,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436640907] [2024-11-10 19:00:41,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:41,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:41,022 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:41,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:00:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:41,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:00:41,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:41,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436640907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:41,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:41,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:00:41,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890493709] [2024-11-10 19:00:41,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:41,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:41,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:41,290 INFO L87 Difference]: Start difference. First operand 1089 states and 1367 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:41,904 INFO L93 Difference]: Finished difference Result 1690 states and 2106 transitions. [2024-11-10 19:00:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:00:41,905 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 91 [2024-11-10 19:00:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:41,908 INFO L225 Difference]: With dead ends: 1690 [2024-11-10 19:00:41,908 INFO L226 Difference]: Without dead ends: 1689 [2024-11-10 19:00:41,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:00:41,909 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 379 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:41,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 610 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:00:41,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-11-10 19:00:41,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1428. [2024-11-10 19:00:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1366 states have (on average 1.2708638360175695) internal successors, (1736), 1391 states have internal predecessors, (1736), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:00:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1804 transitions. [2024-11-10 19:00:41,969 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1804 transitions. Word has length 91 [2024-11-10 19:00:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:41,970 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1804 transitions. [2024-11-10 19:00:41,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1804 transitions. [2024-11-10 19:00:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:00:41,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:41,970 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:41,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:42,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:42,171 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:42,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:42,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2118820279, now seen corresponding path program 1 times [2024-11-10 19:00:42,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:42,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053852773] [2024-11-10 19:00:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:42,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:00:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:42,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:42,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053852773] [2024-11-10 19:00:42,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053852773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:42,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203844841] [2024-11-10 19:00:42,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:42,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:42,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:42,224 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:42,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:00:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:42,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:42,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:42,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203844841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:42,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:42,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 19:00:42,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185900314] [2024-11-10 19:00:42,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:42,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:00:42,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:42,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:00:42,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:42,420 INFO L87 Difference]: Start difference. First operand 1428 states and 1804 transitions. Second operand has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:42,599 INFO L93 Difference]: Finished difference Result 1820 states and 2280 transitions. [2024-11-10 19:00:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:42,599 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 93 [2024-11-10 19:00:42,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:42,603 INFO L225 Difference]: With dead ends: 1820 [2024-11-10 19:00:42,603 INFO L226 Difference]: Without dead ends: 1819 [2024-11-10 19:00:42,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:42,604 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 115 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:42,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 691 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:42,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-11-10 19:00:42,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1732. [2024-11-10 19:00:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1664 states have (on average 1.2554086538461537) internal successors, (2089), 1689 states have internal predecessors, (2089), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2169 transitions. [2024-11-10 19:00:42,669 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2169 transitions. Word has length 93 [2024-11-10 19:00:42,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:42,669 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2169 transitions. [2024-11-10 19:00:42,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2169 transitions. [2024-11-10 19:00:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:00:42,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:42,670 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:42,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:42,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:42,870 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:42,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash 252786401, now seen corresponding path program 1 times [2024-11-10 19:00:42,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:42,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254552110] [2024-11-10 19:00:42,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:00:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:42,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:42,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254552110] [2024-11-10 19:00:42,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254552110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:42,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778856980] [2024-11-10 19:00:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:42,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:42,948 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:42,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:00:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:42,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:42,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:43,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:43,529 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:43,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778856980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:43,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:43,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-10 19:00:43,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500355755] [2024-11-10 19:00:43,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:43,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:00:43,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:00:43,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:43,531 INFO L87 Difference]: Start difference. First operand 1732 states and 2169 transitions. Second operand has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:44,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:44,237 INFO L93 Difference]: Finished difference Result 1857 states and 2307 transitions. [2024-11-10 19:00:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:00:44,237 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 96 [2024-11-10 19:00:44,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:44,241 INFO L225 Difference]: With dead ends: 1857 [2024-11-10 19:00:44,241 INFO L226 Difference]: Without dead ends: 1856 [2024-11-10 19:00:44,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:00:44,242 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 666 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:44,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 656 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:00:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-10 19:00:44,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1738. [2024-11-10 19:00:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1670 states have (on average 1.2520958083832336) internal successors, (2091), 1695 states have internal predecessors, (2091), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2171 transitions. [2024-11-10 19:00:44,303 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2171 transitions. Word has length 96 [2024-11-10 19:00:44,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:44,303 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2171 transitions. [2024-11-10 19:00:44,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 18 states have internal predecessors, (225), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:00:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2171 transitions. [2024-11-10 19:00:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:00:44,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:44,304 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:44,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:44,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-10 19:00:44,504 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:44,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:44,504 INFO L85 PathProgramCache]: Analyzing trace with hash 751763880, now seen corresponding path program 2 times [2024-11-10 19:00:44,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872349171] [2024-11-10 19:00:44,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:44,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:44,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836388085] [2024-11-10 19:00:44,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:00:44,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:44,525 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:44,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:00:44,562 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:00:44,563 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:44,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:00:44,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:44,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872349171] [2024-11-10 19:00:45,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:45,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836388085] [2024-11-10 19:00:45,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836388085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:45,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:45,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-10 19:00:45,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689208092] [2024-11-10 19:00:45,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:45,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:00:45,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:45,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:00:45,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:00:45,430 INFO L87 Difference]: Start difference. First operand 1738 states and 2171 transitions. Second operand has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:00:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:47,460 INFO L93 Difference]: Finished difference Result 1873 states and 2323 transitions. [2024-11-10 19:00:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:00:47,461 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 98 [2024-11-10 19:00:47,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:47,465 INFO L225 Difference]: With dead ends: 1873 [2024-11-10 19:00:47,465 INFO L226 Difference]: Without dead ends: 1871 [2024-11-10 19:00:47,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:00:47,466 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 523 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:47,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 913 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:00:47,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-10 19:00:47,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1792. [2024-11-10 19:00:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1725 states have (on average 1.231304347826087) internal successors, (2124), 1749 states have internal predecessors, (2124), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2204 transitions. [2024-11-10 19:00:47,542 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2204 transitions. Word has length 98 [2024-11-10 19:00:47,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:47,543 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2204 transitions. [2024-11-10 19:00:47,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.25) internal successors, (164), 17 states have internal predecessors, (164), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:00:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2204 transitions. [2024-11-10 19:00:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:00:47,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:47,543 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:47,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:47,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:47,744 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:47,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:47,744 INFO L85 PathProgramCache]: Analyzing trace with hash 558694149, now seen corresponding path program 1 times [2024-11-10 19:00:47,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:47,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800927558] [2024-11-10 19:00:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:47,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:47,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779474317] [2024-11-10 19:00:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:47,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:47,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:47,754 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:47,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:00:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:47,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:00:47,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:47,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:48,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:48,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800927558] [2024-11-10 19:00:48,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779474317] [2024-11-10 19:00:48,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779474317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:48,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:48,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-10 19:00:48,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383792100] [2024-11-10 19:00:48,372 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:48,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:00:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:48,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:00:48,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:48,373 INFO L87 Difference]: Start difference. First operand 1792 states and 2204 transitions. Second operand has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:51,039 INFO L93 Difference]: Finished difference Result 1821 states and 2231 transitions. [2024-11-10 19:00:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:00:51,040 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2024-11-10 19:00:51,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:51,044 INFO L225 Difference]: With dead ends: 1821 [2024-11-10 19:00:51,044 INFO L226 Difference]: Without dead ends: 1819 [2024-11-10 19:00:51,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:00:51,045 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 255 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:51,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 656 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 19:00:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-11-10 19:00:51,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1812. [2024-11-10 19:00:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1812 states, 1745 states have (on average 1.2292263610315186) internal successors, (2145), 1769 states have internal predecessors, (2145), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:00:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1812 states and 2225 transitions. [2024-11-10 19:00:51,120 INFO L78 Accepts]: Start accepts. Automaton has 1812 states and 2225 transitions. Word has length 99 [2024-11-10 19:00:51,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:51,120 INFO L471 AbstractCegarLoop]: Abstraction has 1812 states and 2225 transitions. [2024-11-10 19:00:51,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:00:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2225 transitions. [2024-11-10 19:00:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:00:51,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:51,121 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:51,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-10 19:00:51,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:51,325 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:51,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1682041957, now seen corresponding path program 1 times [2024-11-10 19:00:51,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:51,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054587256] [2024-11-10 19:00:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:00:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:51,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054587256] [2024-11-10 19:00:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054587256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:51,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329032805] [2024-11-10 19:00:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:51,383 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:51,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:00:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:51,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:51,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:51,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329032805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:51,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:51,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 19:00:51,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680418331] [2024-11-10 19:00:51,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:51,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:00:51,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:51,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:00:51,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:51,579 INFO L87 Difference]: Start difference. First operand 1812 states and 2225 transitions. Second operand has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:51,778 INFO L93 Difference]: Finished difference Result 2402 states and 2933 transitions. [2024-11-10 19:00:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 99 [2024-11-10 19:00:51,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:51,784 INFO L225 Difference]: With dead ends: 2402 [2024-11-10 19:00:51,784 INFO L226 Difference]: Without dead ends: 2401 [2024-11-10 19:00:51,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:51,785 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 312 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:51,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 741 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:00:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-11-10 19:00:51,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2178. [2024-11-10 19:00:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2102 states have (on average 1.2364414843006661) internal successors, (2599), 2126 states have internal predecessors, (2599), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 19:00:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2697 transitions. [2024-11-10 19:00:51,883 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2697 transitions. Word has length 99 [2024-11-10 19:00:51,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:51,884 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2697 transitions. [2024-11-10 19:00:51,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.454545454545453) internal successors, (192), 12 states have internal predecessors, (192), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-10 19:00:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2697 transitions. [2024-11-10 19:00:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:00:51,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:51,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:51,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:52,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:00:52,086 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:52,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:52,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1059120793, now seen corresponding path program 1 times [2024-11-10 19:00:52,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:52,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501341178] [2024-11-10 19:00:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:52,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:00:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:00:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:00:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:00:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501341178] [2024-11-10 19:00:52,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501341178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671077273] [2024-11-10 19:00:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:52,145 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:52,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:00:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:52,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:00:52,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:52,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:00:52,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671077273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:52,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:52,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-10 19:00:52,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673812254] [2024-11-10 19:00:52,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:52,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:52,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:52,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:52,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:52,365 INFO L87 Difference]: Start difference. First operand 2178 states and 2697 transitions. Second operand has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:52,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:52,694 INFO L93 Difference]: Finished difference Result 2190 states and 2709 transitions. [2024-11-10 19:00:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:00:52,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 102 [2024-11-10 19:00:52,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:52,699 INFO L225 Difference]: With dead ends: 2190 [2024-11-10 19:00:52,699 INFO L226 Difference]: Without dead ends: 2189 [2024-11-10 19:00:52,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 204 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:00:52,708 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 177 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:52,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 451 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:52,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2024-11-10 19:00:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2178. [2024-11-10 19:00:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2102 states have (on average 1.235965746907707) internal successors, (2598), 2126 states have internal predecessors, (2598), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 19:00:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2696 transitions. [2024-11-10 19:00:52,800 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2696 transitions. Word has length 102 [2024-11-10 19:00:52,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:52,800 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2696 transitions. [2024-11-10 19:00:52,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 10 states have internal predecessors, (130), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:00:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2696 transitions. [2024-11-10 19:00:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:00:52,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:52,801 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:52,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:53,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:00:53,002 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:00:53,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:53,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1396255139, now seen corresponding path program 1 times [2024-11-10 19:00:53,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:53,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878516082] [2024-11-10 19:00:53,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865498996] [2024-11-10 19:00:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:53,011 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:53,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:00:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:53,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:00:53,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:53,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 19:00:55,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:55,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878516082] [2024-11-10 19:00:55,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:55,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865498996] [2024-11-10 19:00:55,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865498996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:55,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:55,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-10 19:00:55,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665928290] [2024-11-10 19:00:55,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:55,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:00:55,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:55,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:00:55,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:00:55,414 INFO L87 Difference]: Start difference. First operand 2178 states and 2696 transitions. Second operand has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:04,293 INFO L93 Difference]: Finished difference Result 2317 states and 2850 transitions. [2024-11-10 19:01:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-10 19:01:04,294 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 104 [2024-11-10 19:01:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:04,306 INFO L225 Difference]: With dead ends: 2317 [2024-11-10 19:01:04,306 INFO L226 Difference]: Without dead ends: 2315 [2024-11-10 19:01:04,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=572, Invalid=2398, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 19:01:04,307 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1196 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:04,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 635 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-10 19:01:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-11-10 19:01:04,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2242. [2024-11-10 19:01:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2164 states have (on average 1.2301293900184842) internal successors, (2662), 2188 states have internal predecessors, (2662), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2764 transitions. [2024-11-10 19:01:04,397 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2764 transitions. Word has length 104 [2024-11-10 19:01:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:04,397 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2764 transitions. [2024-11-10 19:01:04,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.045454545454545) internal successors, (177), 23 states have internal predecessors, (177), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2764 transitions. [2024-11-10 19:01:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:01:04,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:04,398 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:04,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:04,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-10 19:01:04,600 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:04,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1352021831, now seen corresponding path program 1 times [2024-11-10 19:01:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461154868] [2024-11-10 19:01:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:04,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:01:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:04,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461154868] [2024-11-10 19:01:04,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461154868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:04,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870053794] [2024-11-10 19:01:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:04,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:04,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:04,746 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:04,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:01:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:04,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:01:04,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:05,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:05,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870053794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:05,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:05,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 19:01:05,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439001990] [2024-11-10 19:01:05,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:05,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:05,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:05,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:05,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:05,271 INFO L87 Difference]: Start difference. First operand 2242 states and 2764 transitions. Second operand has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:06,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:06,114 INFO L93 Difference]: Finished difference Result 2279 states and 2802 transitions. [2024-11-10 19:01:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:01:06,114 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 107 [2024-11-10 19:01:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:06,117 INFO L225 Difference]: With dead ends: 2279 [2024-11-10 19:01:06,117 INFO L226 Difference]: Without dead ends: 2278 [2024-11-10 19:01:06,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-11-10 19:01:06,118 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 262 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:06,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 731 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-10 19:01:06,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2262. [2024-11-10 19:01:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2184 states have (on average 1.2284798534798536) internal successors, (2683), 2208 states have internal predecessors, (2683), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2785 transitions. [2024-11-10 19:01:06,201 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2785 transitions. Word has length 107 [2024-11-10 19:01:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:06,202 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 2785 transitions. [2024-11-10 19:01:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.5) internal successors, (253), 23 states have internal predecessors, (253), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2785 transitions. [2024-11-10 19:01:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:01:06,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:06,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:06,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-10 19:01:06,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-10 19:01:06,403 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:06,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1036996173, now seen corresponding path program 1 times [2024-11-10 19:01:06,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:06,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757336828] [2024-11-10 19:01:06,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:01:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 19:01:06,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:06,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757336828] [2024-11-10 19:01:06,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757336828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:06,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:06,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:06,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364071969] [2024-11-10 19:01:06,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:06,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:06,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:06,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:06,449 INFO L87 Difference]: Start difference. First operand 2262 states and 2785 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:01:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:06,686 INFO L93 Difference]: Finished difference Result 2278 states and 2793 transitions. [2024-11-10 19:01:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:06,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 108 [2024-11-10 19:01:06,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:06,690 INFO L225 Difference]: With dead ends: 2278 [2024-11-10 19:01:06,690 INFO L226 Difference]: Without dead ends: 2253 [2024-11-10 19:01:06,690 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 19:01:06,691 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 24 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:06,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 236 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-10 19:01:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2245. [2024-11-10 19:01:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2167 states have (on average 1.2293493308721735) internal successors, (2664), 2191 states have internal predecessors, (2664), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2766 transitions. [2024-11-10 19:01:06,779 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2766 transitions. Word has length 108 [2024-11-10 19:01:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:06,780 INFO L471 AbstractCegarLoop]: Abstraction has 2245 states and 2766 transitions. [2024-11-10 19:01:06,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:01:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2766 transitions. [2024-11-10 19:01:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:01:06,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:06,780 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:06,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-10 19:01:06,780 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:06,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash -750565997, now seen corresponding path program 1 times [2024-11-10 19:01:06,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:06,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190849066] [2024-11-10 19:01:06,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:06,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793851484] [2024-11-10 19:01:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:06,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:06,790 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:06,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:01:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:06,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:01:06,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:07,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190849066] [2024-11-10 19:01:07,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793851484] [2024-11-10 19:01:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793851484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:07,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:07,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-10 19:01:07,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115041115] [2024-11-10 19:01:07,641 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:07,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:01:07,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:07,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:01:07,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:01:07,642 INFO L87 Difference]: Start difference. First operand 2245 states and 2766 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:09,558 INFO L93 Difference]: Finished difference Result 2267 states and 2794 transitions. [2024-11-10 19:01:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 19:01:09,558 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 108 [2024-11-10 19:01:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:09,561 INFO L225 Difference]: With dead ends: 2267 [2024-11-10 19:01:09,561 INFO L226 Difference]: Without dead ends: 2266 [2024-11-10 19:01:09,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:01:09,562 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 225 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:09,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 357 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:01:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2024-11-10 19:01:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2245. [2024-11-10 19:01:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2167 states have (on average 1.22888786340563) internal successors, (2663), 2191 states have internal predecessors, (2663), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2765 transitions. [2024-11-10 19:01:09,651 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2765 transitions. Word has length 108 [2024-11-10 19:01:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:09,651 INFO L471 AbstractCegarLoop]: Abstraction has 2245 states and 2765 transitions. [2024-11-10 19:01:09,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2765 transitions. [2024-11-10 19:01:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:01:09,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:09,652 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:09,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:09,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:09,852 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:09,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash -641050615, now seen corresponding path program 2 times [2024-11-10 19:01:09,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:09,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092434733] [2024-11-10 19:01:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:09,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565287297] [2024-11-10 19:01:09,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:01:09,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:09,862 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:09,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:01:09,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:01:09,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:01:09,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:01:09,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:10,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:11,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092434733] [2024-11-10 19:01:11,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565287297] [2024-11-10 19:01:11,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565287297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:11,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:11,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-10 19:01:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771453601] [2024-11-10 19:01:11,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:11,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:11,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:11,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:11,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:11,230 INFO L87 Difference]: Start difference. First operand 2245 states and 2765 transitions. Second operand has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:13,320 INFO L93 Difference]: Finished difference Result 2251 states and 2765 transitions. [2024-11-10 19:01:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 19:01:13,321 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) Word has length 109 [2024-11-10 19:01:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:13,323 INFO L225 Difference]: With dead ends: 2251 [2024-11-10 19:01:13,323 INFO L226 Difference]: Without dead ends: 2236 [2024-11-10 19:01:13,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=1389, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:01:13,324 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 769 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:13,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 551 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 19:01:13,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2024-11-10 19:01:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2232. [2024-11-10 19:01:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2232 states, 2154 states have (on average 1.2279480037140205) internal successors, (2645), 2178 states have internal predecessors, (2645), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2747 transitions. [2024-11-10 19:01:13,414 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2747 transitions. Word has length 109 [2024-11-10 19:01:13,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:13,414 INFO L471 AbstractCegarLoop]: Abstraction has 2232 states and 2747 transitions. [2024-11-10 19:01:13,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.363636363636363) internal successors, (184), 23 states have internal predecessors, (184), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2747 transitions. [2024-11-10 19:01:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:01:13,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:13,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:13,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:13,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-10 19:01:13,615 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:13,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1792709445, now seen corresponding path program 1 times [2024-11-10 19:01:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:13,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073421387] [2024-11-10 19:01:13,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:01:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:01:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 19:01:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:13,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073421387] [2024-11-10 19:01:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073421387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444512753] [2024-11-10 19:01:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:13,711 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:13,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:01:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:01:13,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:13,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:14,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444512753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:14,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:14,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 19:01:14,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507555906] [2024-11-10 19:01:14,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:14,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:01:14,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:14,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:01:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:01:14,113 INFO L87 Difference]: Start difference. First operand 2232 states and 2747 transitions. Second operand has 23 states, 22 states have (on average 11.772727272727273) internal successors, (259), 23 states have internal predecessors, (259), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:14,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:14,721 INFO L93 Difference]: Finished difference Result 2254 states and 2769 transitions. [2024-11-10 19:01:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:01:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 11.772727272727273) internal successors, (259), 23 states have internal predecessors, (259), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 109 [2024-11-10 19:01:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:14,724 INFO L225 Difference]: With dead ends: 2254 [2024-11-10 19:01:14,724 INFO L226 Difference]: Without dead ends: 2253 [2024-11-10 19:01:14,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:01:14,728 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 418 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:14,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 640 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:14,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-10 19:01:14,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2242. [2024-11-10 19:01:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2164 states have (on average 1.2282809611829943) internal successors, (2658), 2188 states have internal predecessors, (2658), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2760 transitions. [2024-11-10 19:01:14,826 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2760 transitions. Word has length 109 [2024-11-10 19:01:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:14,826 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2760 transitions. [2024-11-10 19:01:14,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.772727272727273) internal successors, (259), 23 states have internal predecessors, (259), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-10 19:01:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2760 transitions. [2024-11-10 19:01:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 19:01:14,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:14,827 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:01:14,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:15,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-10 19:01:15,028 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:15,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1677180943, now seen corresponding path program 1 times [2024-11-10 19:01:15,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:15,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395569236] [2024-11-10 19:01:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:15,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058168470] [2024-11-10 19:01:15,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:15,038 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:15,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:01:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:01:15,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:15,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:16,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395569236] [2024-11-10 19:01:16,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058168470] [2024-11-10 19:01:16,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058168470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:16,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:16,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:01:16,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455569654] [2024-11-10 19:01:16,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:16,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:01:16,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:16,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:01:16,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-11-10 19:01:16,040 INFO L87 Difference]: Start difference. First operand 2242 states and 2760 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 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 19:01:16,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:16,562 INFO L93 Difference]: Finished difference Result 2272 states and 2792 transitions. [2024-11-10 19:01:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:01:16,562 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 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 112 [2024-11-10 19:01:16,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:16,565 INFO L225 Difference]: With dead ends: 2272 [2024-11-10 19:01:16,565 INFO L226 Difference]: Without dead ends: 2270 [2024-11-10 19:01:16,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-11-10 19:01:16,566 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 181 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:16,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 968 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:16,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-11-10 19:01:16,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2253. [2024-11-10 19:01:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2175 states have (on average 1.2275862068965517) internal successors, (2670), 2199 states have internal predecessors, (2670), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:01:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 2772 transitions. [2024-11-10 19:01:16,659 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 2772 transitions. Word has length 112 [2024-11-10 19:01:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:16,659 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 2772 transitions. [2024-11-10 19:01:16,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 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 19:01:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2772 transitions. [2024-11-10 19:01:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:01:16,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:16,660 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:01:16,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-10 19:01:16,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-10 19:01:16,861 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:16,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:16,861 INFO L85 PathProgramCache]: Analyzing trace with hash -453001607, now seen corresponding path program 1 times [2024-11-10 19:01:16,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:16,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740406391] [2024-11-10 19:01:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:16,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:16,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752418675] [2024-11-10 19:01:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:16,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:16,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:16,871 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:16,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-10 19:01:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:16,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:01:16,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:17,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:17,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:17,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740406391] [2024-11-10 19:01:17,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:17,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752418675] [2024-11-10 19:01:17,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752418675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:17,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:17,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:01:17,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837808773] [2024-11-10 19:01:17,322 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:17,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:01:17,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:17,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:01:17,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:01:17,323 INFO L87 Difference]: Start difference. First operand 2253 states and 2772 transitions. Second operand has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 19:01:18,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:18,003 INFO L93 Difference]: Finished difference Result 2734 states and 3386 transitions. [2024-11-10 19:01:18,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:01:18,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 113 [2024-11-10 19:01:18,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:18,007 INFO L225 Difference]: With dead ends: 2734 [2024-11-10 19:01:18,007 INFO L226 Difference]: Without dead ends: 2733 [2024-11-10 19:01:18,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:01:18,007 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 188 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:18,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 642 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2024-11-10 19:01:18,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2638. [2024-11-10 19:01:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2550 states have (on average 1.2290196078431372) internal successors, (3134), 2574 states have internal predecessors, (3134), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:01:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3256 transitions. [2024-11-10 19:01:18,112 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3256 transitions. Word has length 113 [2024-11-10 19:01:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:18,112 INFO L471 AbstractCegarLoop]: Abstraction has 2638 states and 3256 transitions. [2024-11-10 19:01:18,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 19:01:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3256 transitions. [2024-11-10 19:01:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:01:18,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:18,113 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:18,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:18,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:18,318 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:18,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1993419319, now seen corresponding path program 1 times [2024-11-10 19:01:18,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378898092] [2024-11-10 19:01:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:18,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957756235] [2024-11-10 19:01:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:18,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:18,328 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:18,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-10 19:01:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:18,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:01:18,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:18,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:22,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:22,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378898092] [2024-11-10 19:01:22,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:22,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957756235] [2024-11-10 19:01:22,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957756235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:22,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:22,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2024-11-10 19:01:22,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516869025] [2024-11-10 19:01:22,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:22,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:01:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:01:22,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:01:22,835 INFO L87 Difference]: Start difference. First operand 2638 states and 3256 transitions. Second operand has 25 states, 24 states have (on average 7.708333333333333) internal successors, (185), 25 states have internal predecessors, (185), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:27,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:27,604 INFO L93 Difference]: Finished difference Result 2658 states and 3280 transitions. [2024-11-10 19:01:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 19:01:27,605 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.708333333333333) internal successors, (185), 25 states have internal predecessors, (185), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 113 [2024-11-10 19:01:27,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:27,607 INFO L225 Difference]: With dead ends: 2658 [2024-11-10 19:01:27,607 INFO L226 Difference]: Without dead ends: 2632 [2024-11-10 19:01:27,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 19:01:27,608 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 225 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:27,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 417 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1849 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-10 19:01:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2024-11-10 19:01:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2627. [2024-11-10 19:01:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2627 states, 2539 states have (on average 1.2319810949192596) internal successors, (3128), 2563 states have internal predecessors, (3128), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:01:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3250 transitions. [2024-11-10 19:01:27,715 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3250 transitions. Word has length 113 [2024-11-10 19:01:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:27,715 INFO L471 AbstractCegarLoop]: Abstraction has 2627 states and 3250 transitions. [2024-11-10 19:01:27,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.708333333333333) internal successors, (185), 25 states have internal predecessors, (185), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3250 transitions. [2024-11-10 19:01:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:01:27,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:27,716 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:01:27,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:27,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:27,916 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:27,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:27,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1835202551, now seen corresponding path program 2 times [2024-11-10 19:01:27,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:27,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445974740] [2024-11-10 19:01:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:27,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:27,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903945920] [2024-11-10 19:01:27,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:01:27,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:27,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:27,928 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:27,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-10 19:01:28,075 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:01:28,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:01:28,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:01:28,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:28,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:28,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:28,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445974740] [2024-11-10 19:01:28,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:28,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903945920] [2024-11-10 19:01:28,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903945920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:28,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:28,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:01:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061155063] [2024-11-10 19:01:28,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:28,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:01:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:28,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:01:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:01:28,327 INFO L87 Difference]: Start difference. First operand 2627 states and 3250 transitions. Second operand has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 19:01:28,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:28,962 INFO L93 Difference]: Finished difference Result 2740 states and 3353 transitions. [2024-11-10 19:01:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:01:28,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 113 [2024-11-10 19:01:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:28,967 INFO L225 Difference]: With dead ends: 2740 [2024-11-10 19:01:28,967 INFO L226 Difference]: Without dead ends: 2738 [2024-11-10 19:01:28,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:01:28,968 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 245 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:28,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 679 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2024-11-10 19:01:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 2627. [2024-11-10 19:01:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2627 states, 2539 states have (on average 1.2260732571878692) internal successors, (3113), 2563 states have internal predecessors, (3113), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:01:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3235 transitions. [2024-11-10 19:01:29,087 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3235 transitions. Word has length 113 [2024-11-10 19:01:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:29,087 INFO L471 AbstractCegarLoop]: Abstraction has 2627 states and 3235 transitions. [2024-11-10 19:01:29,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 19:01:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3235 transitions. [2024-11-10 19:01:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:01:29,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:29,088 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:01:29,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-10 19:01:29,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-10 19:01:29,289 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:29,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:29,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1158147857, now seen corresponding path program 1 times [2024-11-10 19:01:29,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:29,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176871340] [2024-11-10 19:01:29,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:29,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487446002] [2024-11-10 19:01:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:29,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:29,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:29,300 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:29,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-10 19:01:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:29,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:01:29,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:29,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:30,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:30,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176871340] [2024-11-10 19:01:30,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:30,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487446002] [2024-11-10 19:01:30,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487446002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:30,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:30,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-10 19:01:30,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323659183] [2024-11-10 19:01:30,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:30,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:01:30,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:30,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:01:30,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:01:30,098 INFO L87 Difference]: Start difference. First operand 2627 states and 3235 transitions. Second operand has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:33,868 INFO L93 Difference]: Finished difference Result 3523 states and 4369 transitions. [2024-11-10 19:01:33,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-10 19:01:33,868 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 114 [2024-11-10 19:01:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:33,872 INFO L225 Difference]: With dead ends: 3523 [2024-11-10 19:01:33,872 INFO L226 Difference]: Without dead ends: 3521 [2024-11-10 19:01:33,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=499, Invalid=3161, Unknown=0, NotChecked=0, Total=3660 [2024-11-10 19:01:33,874 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 619 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:33,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1016 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-10 19:01:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2024-11-10 19:01:34,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3304. [2024-11-10 19:01:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 3199 states have (on average 1.2381994373241638) internal successors, (3961), 3223 states have internal predecessors, (3961), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 19:01:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4117 transitions. [2024-11-10 19:01:34,020 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4117 transitions. Word has length 114 [2024-11-10 19:01:34,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:34,020 INFO L471 AbstractCegarLoop]: Abstraction has 3304 states and 4117 transitions. [2024-11-10 19:01:34,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:01:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4117 transitions. [2024-11-10 19:01:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:01:34,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:34,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:01:34,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:34,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-10 19:01:34,221 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:01:34,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1056704161, now seen corresponding path program 2 times [2024-11-10 19:01:34,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:34,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402624982] [2024-11-10 19:01:34,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:34,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:34,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070123442] [2024-11-10 19:01:34,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:01:34,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:34,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:34,239 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:34,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-10 19:01:34,279 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:01:34,279 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:01:34,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:01:34,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:34,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:01:35,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402624982] [2024-11-10 19:01:35,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070123442] [2024-11-10 19:01:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070123442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:35,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:35,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-10 19:01:35,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084578422] [2024-11-10 19:01:35,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:35,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:01:35,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:35,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:01:35,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:01:35,280 INFO L87 Difference]: Start difference. First operand 3304 states and 4117 transitions. Second operand has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6)