/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:30:49,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:30:49,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:30:49,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:30:49,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:30:49,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:30:49,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:30:49,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:30:49,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:30:49,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:30:49,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:30:49,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:30:49,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:30:49,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:30:49,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:30:49,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:30:49,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:30:49,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:30:49,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:30:49,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:30:49,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:30:49,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:30:49,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:30:49,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:30:49,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:30:49,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:30:49,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:30:49,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:30:49,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:30:49,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:30:49,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:30:49,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:30:49,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:30:49,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:30:49,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:30:49,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:30:49,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:30:49,737 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:30:49,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:30:49,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:30:49,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:30:49,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:30:49,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:30:49,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:30:49,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:30:49,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:30:49,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:30:49,740 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:30:49,740 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:30:49,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:30:49,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:30:49,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:30:49,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:30:49,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:30:49,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:30:49,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:30:49,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:30:49,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:30:49,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:30:49,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:30:49,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:30:49,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:30:49,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:30:50,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:30:50,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:30:50,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:30:50,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:30:50,207 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:30:50,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:30:50,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6714cc81/d90dfbb1177c4384963b649b77ef9ca0/FLAG1aa3ee50d [2022-10-16 16:30:50,965 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:30:50,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:30:50,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6714cc81/d90dfbb1177c4384963b649b77ef9ca0/FLAG1aa3ee50d [2022-10-16 16:30:51,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6714cc81/d90dfbb1177c4384963b649b77ef9ca0 [2022-10-16 16:30:51,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:30:51,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:30:51,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:30:51,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:30:51,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:30:51,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:30:51" (1/1) ... [2022-10-16 16:30:51,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d29b6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:51, skipping insertion in model container [2022-10-16 16:30:51,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:30:51" (1/1) ... [2022-10-16 16:30:51,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:30:51,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:30:51,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9243,9256] [2022-10-16 16:30:51,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:30:51,892 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:30:51,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9243,9256] [2022-10-16 16:30:52,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:30:52,072 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:30:52,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52 WrapperNode [2022-10-16 16:30:52,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:30:52,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:30:52,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:30:52,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:30:52,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,187 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 802 [2022-10-16 16:30:52,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:30:52,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:30:52,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:30:52,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:30:52,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:30:52,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:30:52,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:30:52,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:30:52,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (1/1) ... [2022-10-16 16:30:52,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:30:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:30:52,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:30:52,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:30:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:30:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:30:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:30:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:30:52,546 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:30:52,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:30:53,703 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:30:53,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:30:53,715 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:30:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:30:53 BoogieIcfgContainer [2022-10-16 16:30:53,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:30:53,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:30:53,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:30:53,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:30:53,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:30:51" (1/3) ... [2022-10-16 16:30:53,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f79caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:30:53, skipping insertion in model container [2022-10-16 16:30:53,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:30:52" (2/3) ... [2022-10-16 16:30:53,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f79caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:30:53, skipping insertion in model container [2022-10-16 16:30:53,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:30:53" (3/3) ... [2022-10-16 16:30:53,729 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:30:53,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:30:53,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2022-10-16 16:30:53,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:30:53,826 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@c87f4de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:30:53,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2022-10-16 16:30:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 233 states have (on average 1.8197424892703862) internal successors, (424), 291 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:30:53,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:53,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:53,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:53,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:53,853 INFO L85 PathProgramCache]: Analyzing trace with hash 567370515, now seen corresponding path program 1 times [2022-10-16 16:30:53,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:53,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409822621] [2022-10-16 16:30:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:54,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:54,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409822621] [2022-10-16 16:30:54,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409822621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:54,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:54,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22114631] [2022-10-16 16:30:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:54,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:54,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:54,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:54,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:54,558 INFO L87 Difference]: Start difference. First operand has 292 states, 233 states have (on average 1.8197424892703862) internal successors, (424), 291 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:54,959 INFO L93 Difference]: Finished difference Result 619 states and 873 transitions. [2022-10-16 16:30:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:54,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 16:30:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:54,981 INFO L225 Difference]: With dead ends: 619 [2022-10-16 16:30:54,982 INFO L226 Difference]: Without dead ends: 602 [2022-10-16 16:30:54,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:54,991 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 965 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:54,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 651 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-10-16 16:30:55,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 416. [2022-10-16 16:30:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 360 states have (on average 1.5777777777777777) internal successors, (568), 415 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 568 transitions. [2022-10-16 16:30:55,081 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 568 transitions. Word has length 63 [2022-10-16 16:30:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:55,081 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 568 transitions. [2022-10-16 16:30:55,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 568 transitions. [2022-10-16 16:30:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:30:55,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:55,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:55,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:30:55,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash 408617021, now seen corresponding path program 1 times [2022-10-16 16:30:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:55,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137807505] [2022-10-16 16:30:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:55,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:55,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:55,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137807505] [2022-10-16 16:30:55,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137807505] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:55,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:55,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:55,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11699579] [2022-10-16 16:30:55,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:55,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:55,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:55,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:55,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:55,353 INFO L87 Difference]: Start difference. First operand 416 states and 568 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:55,601 INFO L93 Difference]: Finished difference Result 571 states and 779 transitions. [2022-10-16 16:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:30:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:55,607 INFO L225 Difference]: With dead ends: 571 [2022-10-16 16:30:55,608 INFO L226 Difference]: Without dead ends: 566 [2022-10-16 16:30:55,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:55,615 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 835 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:55,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 403 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-16 16:30:55,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 538. [2022-10-16 16:30:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 484 states have (on average 1.5929752066115703) internal successors, (771), 537 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 771 transitions. [2022-10-16 16:30:55,691 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 771 transitions. Word has length 64 [2022-10-16 16:30:55,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:55,692 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 771 transitions. [2022-10-16 16:30:55,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 771 transitions. [2022-10-16 16:30:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:30:55,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:55,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:55,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:30:55,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:55,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash -217773995, now seen corresponding path program 1 times [2022-10-16 16:30:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:55,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082322483] [2022-10-16 16:30:55,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:55,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:55,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082322483] [2022-10-16 16:30:55,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082322483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:55,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:55,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:55,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697686559] [2022-10-16 16:30:55,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:55,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:55,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:55,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:55,954 INFO L87 Difference]: Start difference. First operand 538 states and 771 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:56,362 INFO L93 Difference]: Finished difference Result 865 states and 1176 transitions. [2022-10-16 16:30:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:30:56,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:30:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:56,368 INFO L225 Difference]: With dead ends: 865 [2022-10-16 16:30:56,368 INFO L226 Difference]: Without dead ends: 860 [2022-10-16 16:30:56,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:30:56,371 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1323 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:56,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 848 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:56,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-10-16 16:30:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 655. [2022-10-16 16:30:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 603 states have (on average 1.5970149253731343) internal successors, (963), 654 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 963 transitions. [2022-10-16 16:30:56,423 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 963 transitions. Word has length 65 [2022-10-16 16:30:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:56,424 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 963 transitions. [2022-10-16 16:30:56,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 963 transitions. [2022-10-16 16:30:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:30:56,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:56,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:56,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:30:56,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:56,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:56,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1838940991, now seen corresponding path program 1 times [2022-10-16 16:30:56,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:56,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129771511] [2022-10-16 16:30:56,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:56,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:56,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129771511] [2022-10-16 16:30:56,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129771511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:56,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:56,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:56,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711762236] [2022-10-16 16:30:56,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:56,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:56,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:56,604 INFO L87 Difference]: Start difference. First operand 655 states and 963 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:56,928 INFO L93 Difference]: Finished difference Result 830 states and 1163 transitions. [2022-10-16 16:30:56,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 16:30:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:56,934 INFO L225 Difference]: With dead ends: 830 [2022-10-16 16:30:56,934 INFO L226 Difference]: Without dead ends: 825 [2022-10-16 16:30:56,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:30:56,936 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1539 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:56,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 559 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-10-16 16:30:56,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 772. [2022-10-16 16:30:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 722 states have (on average 1.5955678670360112) internal successors, (1152), 771 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1152 transitions. [2022-10-16 16:30:56,988 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1152 transitions. Word has length 66 [2022-10-16 16:30:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:56,988 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1152 transitions. [2022-10-16 16:30:56,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1152 transitions. [2022-10-16 16:30:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:30:56,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:56,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:56,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:30:56,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1172596119, now seen corresponding path program 1 times [2022-10-16 16:30:56,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:56,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435318144] [2022-10-16 16:30:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:57,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:57,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435318144] [2022-10-16 16:30:57,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435318144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:57,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:57,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:57,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243341483] [2022-10-16 16:30:57,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:57,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:57,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:57,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:57,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:57,160 INFO L87 Difference]: Start difference. First operand 772 states and 1152 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:57,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:57,718 INFO L93 Difference]: Finished difference Result 1226 states and 1740 transitions. [2022-10-16 16:30:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:30:57,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 16:30:57,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:57,726 INFO L225 Difference]: With dead ends: 1226 [2022-10-16 16:30:57,726 INFO L226 Difference]: Without dead ends: 1221 [2022-10-16 16:30:57,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:57,729 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1773 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:57,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 1262 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:57,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-10-16 16:30:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 884. [2022-10-16 16:30:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 836 states have (on average 1.5909090909090908) internal successors, (1330), 883 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1330 transitions. [2022-10-16 16:30:57,792 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1330 transitions. Word has length 67 [2022-10-16 16:30:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:57,793 INFO L495 AbstractCegarLoop]: Abstraction has 884 states and 1330 transitions. [2022-10-16 16:30:57,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1330 transitions. [2022-10-16 16:30:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:30:57,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:57,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:57,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:30:57,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:57,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1990741569, now seen corresponding path program 1 times [2022-10-16 16:30:57,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:57,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420965937] [2022-10-16 16:30:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:57,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:57,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:57,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420965937] [2022-10-16 16:30:57,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420965937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:57,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:57,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:57,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151175225] [2022-10-16 16:30:57,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:57,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:57,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:57,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:57,969 INFO L87 Difference]: Start difference. First operand 884 states and 1330 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:58,452 INFO L93 Difference]: Finished difference Result 1190 states and 1705 transitions. [2022-10-16 16:30:58,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:30:58,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 16:30:58,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:58,461 INFO L225 Difference]: With dead ends: 1190 [2022-10-16 16:30:58,461 INFO L226 Difference]: Without dead ends: 1185 [2022-10-16 16:30:58,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:58,465 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 2001 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:58,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 848 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-10-16 16:30:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1110. [2022-10-16 16:30:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1064 states have (on average 1.5892857142857142) internal successors, (1691), 1109 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1691 transitions. [2022-10-16 16:30:58,548 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1691 transitions. Word has length 68 [2022-10-16 16:30:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:58,548 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1691 transitions. [2022-10-16 16:30:58,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1691 transitions. [2022-10-16 16:30:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:30:58,550 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:58,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:58,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:30:58,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:58,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1583446745, now seen corresponding path program 1 times [2022-10-16 16:30:58,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:58,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857711553] [2022-10-16 16:30:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:58,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:58,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857711553] [2022-10-16 16:30:58,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857711553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:58,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:58,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:58,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705498809] [2022-10-16 16:30:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:58,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:58,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:58,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:58,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:58,770 INFO L87 Difference]: Start difference. First operand 1110 states and 1691 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:59,510 INFO L93 Difference]: Finished difference Result 1680 states and 2451 transitions. [2022-10-16 16:30:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:30:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:30:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:59,520 INFO L225 Difference]: With dead ends: 1680 [2022-10-16 16:30:59,520 INFO L226 Difference]: Without dead ends: 1675 [2022-10-16 16:30:59,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:30:59,523 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 2348 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:59,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 1673 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:30:59,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-10-16 16:30:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1217. [2022-10-16 16:30:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1173 states have (on average 1.5814151747655585) internal successors, (1855), 1216 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1855 transitions. [2022-10-16 16:30:59,642 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1855 transitions. Word has length 69 [2022-10-16 16:30:59,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:59,643 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1855 transitions. [2022-10-16 16:30:59,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1855 transitions. [2022-10-16 16:30:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:30:59,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:59,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:59,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:30:59,645 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:30:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:59,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1842209091, now seen corresponding path program 1 times [2022-10-16 16:30:59,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:59,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574670432] [2022-10-16 16:30:59,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:59,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:59,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:59,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574670432] [2022-10-16 16:30:59,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574670432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:59,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:59,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:59,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145573195] [2022-10-16 16:30:59,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:59,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:59,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:59,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:59,834 INFO L87 Difference]: Start difference. First operand 1217 states and 1855 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:00,576 INFO L93 Difference]: Finished difference Result 1641 states and 2380 transitions. [2022-10-16 16:31:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:31:00,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:31:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:00,586 INFO L225 Difference]: With dead ends: 1641 [2022-10-16 16:31:00,586 INFO L226 Difference]: Without dead ends: 1636 [2022-10-16 16:31:00,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:31:00,589 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 2428 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:00,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 1259 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:31:00,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-10-16 16:31:00,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1542. [2022-10-16 16:31:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1500 states have (on average 1.5753333333333333) internal successors, (2363), 1541 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2363 transitions. [2022-10-16 16:31:00,718 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2363 transitions. Word has length 70 [2022-10-16 16:31:00,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:00,719 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2363 transitions. [2022-10-16 16:31:00,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2363 transitions. [2022-10-16 16:31:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:31:00,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:00,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:00,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:31:00,721 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:00,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:00,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1273907227, now seen corresponding path program 1 times [2022-10-16 16:31:00,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:00,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515660552] [2022-10-16 16:31:00,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:00,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:00,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:00,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515660552] [2022-10-16 16:31:00,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515660552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:00,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:00,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:31:00,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490736968] [2022-10-16 16:31:00,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:00,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:31:00,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:00,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:31:00,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:31:00,917 INFO L87 Difference]: Start difference. First operand 1542 states and 2363 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:02,579 INFO L93 Difference]: Finished difference Result 5121 states and 7796 transitions. [2022-10-16 16:31:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 16:31:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:31:02,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:02,602 INFO L225 Difference]: With dead ends: 5121 [2022-10-16 16:31:02,602 INFO L226 Difference]: Without dead ends: 3849 [2022-10-16 16:31:02,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 16:31:02,608 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 2504 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:02,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 3700 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:31:02,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2022-10-16 16:31:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 2777. [2022-10-16 16:31:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2737 states have (on average 1.5688710266715382) internal successors, (4294), 2776 states have internal predecessors, (4294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 4294 transitions. [2022-10-16 16:31:02,887 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 4294 transitions. Word has length 71 [2022-10-16 16:31:02,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:02,888 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 4294 transitions. [2022-10-16 16:31:02,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 4294 transitions. [2022-10-16 16:31:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:31:02,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:02,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:02,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:31:02,890 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:02,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:02,891 INFO L85 PathProgramCache]: Analyzing trace with hash 836418629, now seen corresponding path program 1 times [2022-10-16 16:31:02,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:02,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955485348] [2022-10-16 16:31:02,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:02,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:03,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:03,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955485348] [2022-10-16 16:31:03,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955485348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:03,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:03,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:31:03,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700436856] [2022-10-16 16:31:03,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:03,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:31:03,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:03,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:31:03,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:31:03,108 INFO L87 Difference]: Start difference. First operand 2777 states and 4294 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:04,665 INFO L93 Difference]: Finished difference Result 4109 states and 6136 transitions. [2022-10-16 16:31:04,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:31:04,665 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:31:04,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:04,686 INFO L225 Difference]: With dead ends: 4109 [2022-10-16 16:31:04,687 INFO L226 Difference]: Without dead ends: 4104 [2022-10-16 16:31:04,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:31:04,689 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 3457 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:04,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 1902 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:31:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2022-10-16 16:31:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 3912. [2022-10-16 16:31:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 3874 states have (on average 1.5647909137842024) internal successors, (6062), 3911 states have internal predecessors, (6062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 6062 transitions. [2022-10-16 16:31:05,061 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 6062 transitions. Word has length 72 [2022-10-16 16:31:05,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:05,062 INFO L495 AbstractCegarLoop]: Abstraction has 3912 states and 6062 transitions. [2022-10-16 16:31:05,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 6062 transitions. [2022-10-16 16:31:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:31:05,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:05,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:31:05,063 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash 966204217, now seen corresponding path program 1 times [2022-10-16 16:31:05,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:05,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633276866] [2022-10-16 16:31:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:05,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:05,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:05,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633276866] [2022-10-16 16:31:05,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633276866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:05,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:05,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:31:05,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012596346] [2022-10-16 16:31:05,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:05,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:31:05,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:05,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:31:05,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:05,177 INFO L87 Difference]: Start difference. First operand 3912 states and 6062 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:05,470 INFO L93 Difference]: Finished difference Result 3912 states and 6062 transitions. [2022-10-16 16:31:05,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:31:05,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:31:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:05,492 INFO L225 Difference]: With dead ends: 3912 [2022-10-16 16:31:05,492 INFO L226 Difference]: Without dead ends: 3910 [2022-10-16 16:31:05,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:05,495 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 13 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:05,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 592 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:31:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-10-16 16:31:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3910. [2022-10-16 16:31:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 3874 states have (on average 1.5642746515229737) internal successors, (6060), 3909 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 6060 transitions. [2022-10-16 16:31:05,899 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 6060 transitions. Word has length 88 [2022-10-16 16:31:05,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:05,899 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 6060 transitions. [2022-10-16 16:31:05,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 6060 transitions. [2022-10-16 16:31:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:05,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:05,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:05,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:31:05,902 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:05,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:05,902 INFO L85 PathProgramCache]: Analyzing trace with hash 373380478, now seen corresponding path program 1 times [2022-10-16 16:31:05,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:05,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422689522] [2022-10-16 16:31:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:06,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:06,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422689522] [2022-10-16 16:31:06,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422689522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:06,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:06,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:31:06,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938027484] [2022-10-16 16:31:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:06,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:31:06,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:31:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:06,022 INFO L87 Difference]: Start difference. First operand 3910 states and 6060 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:06,327 INFO L93 Difference]: Finished difference Result 3910 states and 6060 transitions. [2022-10-16 16:31:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:31:06,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:31:06,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:06,350 INFO L225 Difference]: With dead ends: 3910 [2022-10-16 16:31:06,350 INFO L226 Difference]: Without dead ends: 3908 [2022-10-16 16:31:06,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:06,352 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 237 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:06,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 317 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:31:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-10-16 16:31:06,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3908. [2022-10-16 16:31:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3874 states have (on average 1.554981930820857) internal successors, (6024), 3907 states have internal predecessors, (6024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 6024 transitions. [2022-10-16 16:31:06,696 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 6024 transitions. Word has length 92 [2022-10-16 16:31:06,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:06,696 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 6024 transitions. [2022-10-16 16:31:06,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 6024 transitions. [2022-10-16 16:31:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:31:06,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:06,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:06,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:31:06,701 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:06,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:06,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1310106761, now seen corresponding path program 1 times [2022-10-16 16:31:06,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:06,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045490160] [2022-10-16 16:31:06,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:06,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:06,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045490160] [2022-10-16 16:31:06,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045490160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:06,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:06,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:31:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627777240] [2022-10-16 16:31:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:06,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:31:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:31:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:06,831 INFO L87 Difference]: Start difference. First operand 3908 states and 6024 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:07,161 INFO L93 Difference]: Finished difference Result 3908 states and 6024 transitions. [2022-10-16 16:31:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:31:07,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:31:07,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:07,195 INFO L225 Difference]: With dead ends: 3908 [2022-10-16 16:31:07,196 INFO L226 Difference]: Without dead ends: 3906 [2022-10-16 16:31:07,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:31:07,200 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:07,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:31:07,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2022-10-16 16:31:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3906. [2022-10-16 16:31:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 3874 states have (on average 1.5456892101187403) internal successors, (5988), 3905 states have internal predecessors, (5988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5988 transitions. [2022-10-16 16:31:07,606 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5988 transitions. Word has length 93 [2022-10-16 16:31:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:07,606 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 5988 transitions. [2022-10-16 16:31:07,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5988 transitions. [2022-10-16 16:31:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:31:07,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:07,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:07,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:31:07,609 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1966757078, now seen corresponding path program 1 times [2022-10-16 16:31:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:07,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625937551] [2022-10-16 16:31:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:07,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:07,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625937551] [2022-10-16 16:31:07,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625937551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:07,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:07,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:31:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717288784] [2022-10-16 16:31:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:07,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:31:07,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:07,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:31:07,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:07,813 INFO L87 Difference]: Start difference. First operand 3906 states and 5988 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:08,529 INFO L93 Difference]: Finished difference Result 5249 states and 8051 transitions. [2022-10-16 16:31:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:31:08,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 16:31:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:08,544 INFO L225 Difference]: With dead ends: 5249 [2022-10-16 16:31:08,544 INFO L226 Difference]: Without dead ends: 5246 [2022-10-16 16:31:08,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:08,549 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 405 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:08,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 668 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-10-16 16:31:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4236. [2022-10-16 16:31:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4236 states, 4204 states have (on average 1.5509039010466223) internal successors, (6520), 4235 states have internal predecessors, (6520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 4236 states and 6520 transitions. [2022-10-16 16:31:09,000 INFO L78 Accepts]: Start accepts. Automaton has 4236 states and 6520 transitions. Word has length 114 [2022-10-16 16:31:09,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:09,000 INFO L495 AbstractCegarLoop]: Abstraction has 4236 states and 6520 transitions. [2022-10-16 16:31:09,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 4236 states and 6520 transitions. [2022-10-16 16:31:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:31:09,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:09,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:09,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:31:09,005 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:09,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:09,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1118123546, now seen corresponding path program 1 times [2022-10-16 16:31:09,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:09,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606994941] [2022-10-16 16:31:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:09,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:09,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606994941] [2022-10-16 16:31:09,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606994941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:09,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:09,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:31:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714804604] [2022-10-16 16:31:09,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:09,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:31:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:31:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:09,219 INFO L87 Difference]: Start difference. First operand 4236 states and 6520 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:09,925 INFO L93 Difference]: Finished difference Result 5561 states and 8532 transitions. [2022-10-16 16:31:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:31:09,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-16 16:31:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:09,940 INFO L225 Difference]: With dead ends: 5561 [2022-10-16 16:31:09,940 INFO L226 Difference]: Without dead ends: 5558 [2022-10-16 16:31:09,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:09,945 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 415 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1008 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:09,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5558 states. [2022-10-16 16:31:10,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5558 to 5506. [2022-10-16 16:31:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 5474 states have (on average 1.5569967117281696) internal successors, (8523), 5505 states have internal predecessors, (8523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 8523 transitions. [2022-10-16 16:31:10,510 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 8523 transitions. Word has length 114 [2022-10-16 16:31:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:10,510 INFO L495 AbstractCegarLoop]: Abstraction has 5506 states and 8523 transitions. [2022-10-16 16:31:10,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 8523 transitions. [2022-10-16 16:31:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:31:10,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:10,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:10,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:31:10,513 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:10,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash 302091936, now seen corresponding path program 1 times [2022-10-16 16:31:10,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:10,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688168570] [2022-10-16 16:31:10,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:10,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:10,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:10,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688168570] [2022-10-16 16:31:10,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688168570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:10,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:10,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:31:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303332005] [2022-10-16 16:31:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:10,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:31:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:31:10,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:10,713 INFO L87 Difference]: Start difference. First operand 5506 states and 8523 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:11,495 INFO L93 Difference]: Finished difference Result 5532 states and 8523 transitions. [2022-10-16 16:31:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:31:11,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 16:31:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:11,510 INFO L225 Difference]: With dead ends: 5532 [2022-10-16 16:31:11,510 INFO L226 Difference]: Without dead ends: 5529 [2022-10-16 16:31:11,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:11,515 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 417 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:11,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 629 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:11,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2022-10-16 16:31:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 5503. [2022-10-16 16:31:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5503 states, 5474 states have (on average 1.5537084398976981) internal successors, (8505), 5502 states have internal predecessors, (8505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5503 states to 5503 states and 8505 transitions. [2022-10-16 16:31:12,155 INFO L78 Accepts]: Start accepts. Automaton has 5503 states and 8505 transitions. Word has length 115 [2022-10-16 16:31:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:12,156 INFO L495 AbstractCegarLoop]: Abstraction has 5503 states and 8505 transitions. [2022-10-16 16:31:12,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5503 states and 8505 transitions. [2022-10-16 16:31:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:31:12,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:12,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:12,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:31:12,159 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:12,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash 267953816, now seen corresponding path program 1 times [2022-10-16 16:31:12,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:12,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404947662] [2022-10-16 16:31:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:12,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:12,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:12,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404947662] [2022-10-16 16:31:12,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404947662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:12,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:12,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:12,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770862946] [2022-10-16 16:31:12,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:12,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:12,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:12,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:12,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:12,454 INFO L87 Difference]: Start difference. First operand 5503 states and 8505 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:13,316 INFO L93 Difference]: Finished difference Result 5881 states and 9004 transitions. [2022-10-16 16:31:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:31:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:13,331 INFO L225 Difference]: With dead ends: 5881 [2022-10-16 16:31:13,331 INFO L226 Difference]: Without dead ends: 5878 [2022-10-16 16:31:13,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:13,336 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1016 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:13,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 811 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:13,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-10-16 16:31:13,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5812. [2022-10-16 16:31:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5554210617326647) internal successors, (8995), 5811 states have internal predecessors, (8995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8995 transitions. [2022-10-16 16:31:13,929 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8995 transitions. Word has length 116 [2022-10-16 16:31:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:13,930 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8995 transitions. [2022-10-16 16:31:13,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8995 transitions. [2022-10-16 16:31:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:31:13,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:13,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:13,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:31:13,932 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:13,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:13,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1981605816, now seen corresponding path program 1 times [2022-10-16 16:31:13,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:13,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750294157] [2022-10-16 16:31:13,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:14,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:14,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750294157] [2022-10-16 16:31:14,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750294157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:14,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:14,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:14,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450677745] [2022-10-16 16:31:14,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:14,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:14,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:14,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:14,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:14,206 INFO L87 Difference]: Start difference. First operand 5812 states and 8995 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:14,999 INFO L93 Difference]: Finished difference Result 5878 states and 8995 transitions. [2022-10-16 16:31:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:15,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:31:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:15,025 INFO L225 Difference]: With dead ends: 5878 [2022-10-16 16:31:15,025 INFO L226 Difference]: Without dead ends: 5875 [2022-10-16 16:31:15,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:15,029 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 764 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:15,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1017 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:15,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5875 states. [2022-10-16 16:31:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5875 to 5812. [2022-10-16 16:31:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5507522047380253) internal successors, (8968), 5811 states have internal predecessors, (8968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8968 transitions. [2022-10-16 16:31:15,682 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8968 transitions. Word has length 116 [2022-10-16 16:31:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:15,683 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8968 transitions. [2022-10-16 16:31:15,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8968 transitions. [2022-10-16 16:31:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:31:15,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:15,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:15,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:31:15,686 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:15,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1138074387, now seen corresponding path program 1 times [2022-10-16 16:31:15,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:15,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304791099] [2022-10-16 16:31:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:15,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:15,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304791099] [2022-10-16 16:31:15,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304791099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:15,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:15,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:31:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588122663] [2022-10-16 16:31:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:15,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:31:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:31:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:15,869 INFO L87 Difference]: Start difference. First operand 5812 states and 8968 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:16,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:16,743 INFO L93 Difference]: Finished difference Result 6176 states and 9476 transitions. [2022-10-16 16:31:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:31:16,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:31:16,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:16,762 INFO L225 Difference]: With dead ends: 6176 [2022-10-16 16:31:16,762 INFO L226 Difference]: Without dead ends: 6173 [2022-10-16 16:31:16,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:31:16,766 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 395 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:16,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1228 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:16,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6173 states. [2022-10-16 16:31:17,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6173 to 5812. [2022-10-16 16:31:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5445270620785059) internal successors, (8932), 5811 states have internal predecessors, (8932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8932 transitions. [2022-10-16 16:31:17,361 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8932 transitions. Word has length 116 [2022-10-16 16:31:17,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:17,362 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8932 transitions. [2022-10-16 16:31:17,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8932 transitions. [2022-10-16 16:31:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:31:17,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:17,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:17,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:31:17,365 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:17,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:17,366 INFO L85 PathProgramCache]: Analyzing trace with hash 774915804, now seen corresponding path program 1 times [2022-10-16 16:31:17,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:17,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106532893] [2022-10-16 16:31:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:17,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:17,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:17,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106532893] [2022-10-16 16:31:17,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106532893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:17,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:17,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:17,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312410509] [2022-10-16 16:31:17,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:17,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:17,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:17,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:17,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:17,580 INFO L87 Difference]: Start difference. First operand 5812 states and 8932 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:18,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:18,528 INFO L93 Difference]: Finished difference Result 6515 states and 9955 transitions. [2022-10-16 16:31:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:18,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:31:18,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:18,544 INFO L225 Difference]: With dead ends: 6515 [2022-10-16 16:31:18,544 INFO L226 Difference]: Without dead ends: 6512 [2022-10-16 16:31:18,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:18,548 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 772 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:18,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1493 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:18,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2022-10-16 16:31:18,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6137. [2022-10-16 16:31:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 6108 states have (on average 1.5466601178781925) internal successors, (9447), 6136 states have internal predecessors, (9447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 9447 transitions. [2022-10-16 16:31:18,998 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 9447 transitions. Word has length 116 [2022-10-16 16:31:18,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:18,998 INFO L495 AbstractCegarLoop]: Abstraction has 6137 states and 9447 transitions. [2022-10-16 16:31:18,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 9447 transitions. [2022-10-16 16:31:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:31:19,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:19,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:19,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:31:19,001 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:19,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:19,001 INFO L85 PathProgramCache]: Analyzing trace with hash -283365914, now seen corresponding path program 1 times [2022-10-16 16:31:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:19,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101054566] [2022-10-16 16:31:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:19,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:19,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101054566] [2022-10-16 16:31:19,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101054566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:19,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:19,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:19,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893405719] [2022-10-16 16:31:19,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:19,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:19,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:19,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:19,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:19,189 INFO L87 Difference]: Start difference. First operand 6137 states and 9447 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:20,131 INFO L93 Difference]: Finished difference Result 8046 states and 12396 transitions. [2022-10-16 16:31:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:20,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 16:31:20,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:20,149 INFO L225 Difference]: With dead ends: 8046 [2022-10-16 16:31:20,149 INFO L226 Difference]: Without dead ends: 8043 [2022-10-16 16:31:20,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:20,153 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1043 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:20,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 666 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-10-16 16:31:20,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 7064. [2022-10-16 16:31:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7064 states, 7035 states have (on average 1.553091684434968) internal successors, (10926), 7063 states have internal predecessors, (10926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7064 states to 7064 states and 10926 transitions. [2022-10-16 16:31:20,700 INFO L78 Accepts]: Start accepts. Automaton has 7064 states and 10926 transitions. Word has length 117 [2022-10-16 16:31:20,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:20,701 INFO L495 AbstractCegarLoop]: Abstraction has 7064 states and 10926 transitions. [2022-10-16 16:31:20,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7064 states and 10926 transitions. [2022-10-16 16:31:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:31:20,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:20,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:20,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:31:20,704 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:20,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1747413470, now seen corresponding path program 1 times [2022-10-16 16:31:20,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:20,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310077273] [2022-10-16 16:31:20,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:20,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:20,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:20,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310077273] [2022-10-16 16:31:20,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310077273] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:20,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:20,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735977961] [2022-10-16 16:31:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:20,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:20,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:20,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:20,889 INFO L87 Difference]: Start difference. First operand 7064 states and 10926 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:21,693 INFO L93 Difference]: Finished difference Result 8358 states and 12940 transitions. [2022-10-16 16:31:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:21,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 16:31:21,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:21,715 INFO L225 Difference]: With dead ends: 8358 [2022-10-16 16:31:21,715 INFO L226 Difference]: Without dead ends: 8355 [2022-10-16 16:31:21,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:21,719 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 797 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:21,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 982 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8355 states. [2022-10-16 16:31:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8355 to 8300. [2022-10-16 16:31:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 8271 states have (on average 1.559061782130335) internal successors, (12895), 8299 states have internal predecessors, (12895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 12895 transitions. [2022-10-16 16:31:22,458 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 12895 transitions. Word has length 117 [2022-10-16 16:31:22,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:22,458 INFO L495 AbstractCegarLoop]: Abstraction has 8300 states and 12895 transitions. [2022-10-16 16:31:22,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 12895 transitions. [2022-10-16 16:31:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:22,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:22,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:22,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:31:22,464 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:22,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:22,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1713428315, now seen corresponding path program 1 times [2022-10-16 16:31:22,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:22,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763286716] [2022-10-16 16:31:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:22,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:22,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763286716] [2022-10-16 16:31:22,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763286716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:22,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:22,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:22,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436702617] [2022-10-16 16:31:22,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:22,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:22,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:22,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:22,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:22,655 INFO L87 Difference]: Start difference. First operand 8300 states and 12895 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:23,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:23,424 INFO L93 Difference]: Finished difference Result 8675 states and 13385 transitions. [2022-10-16 16:31:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:23,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:23,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:23,443 INFO L225 Difference]: With dead ends: 8675 [2022-10-16 16:31:23,443 INFO L226 Difference]: Without dead ends: 8672 [2022-10-16 16:31:23,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:23,448 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 581 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:23,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1072 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8672 states. [2022-10-16 16:31:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8672 to 8300. [2022-10-16 16:31:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 8271 states have (on average 1.5557973642848506) internal successors, (12868), 8299 states have internal predecessors, (12868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 12868 transitions. [2022-10-16 16:31:24,099 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 12868 transitions. Word has length 118 [2022-10-16 16:31:24,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:24,099 INFO L495 AbstractCegarLoop]: Abstraction has 8300 states and 12868 transitions. [2022-10-16 16:31:24,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 12868 transitions. [2022-10-16 16:31:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:24,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:24,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:24,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:31:24,102 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:24,102 INFO L85 PathProgramCache]: Analyzing trace with hash -194408358, now seen corresponding path program 1 times [2022-10-16 16:31:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:24,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55370612] [2022-10-16 16:31:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:24,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:24,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55370612] [2022-10-16 16:31:24,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55370612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:24,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:24,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:24,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363902424] [2022-10-16 16:31:24,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:24,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:24,286 INFO L87 Difference]: Start difference. First operand 8300 states and 12868 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:25,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:25,161 INFO L93 Difference]: Finished difference Result 9003 states and 13847 transitions. [2022-10-16 16:31:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:25,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:25,217 INFO L225 Difference]: With dead ends: 9003 [2022-10-16 16:31:25,217 INFO L226 Difference]: Without dead ends: 9000 [2022-10-16 16:31:25,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:25,221 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1448 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:25,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 1205 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:25,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-16 16:31:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8620. [2022-10-16 16:31:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8620 states, 8591 states have (on average 1.5547666162262834) internal successors, (13357), 8619 states have internal predecessors, (13357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8620 states to 8620 states and 13357 transitions. [2022-10-16 16:31:25,834 INFO L78 Accepts]: Start accepts. Automaton has 8620 states and 13357 transitions. Word has length 118 [2022-10-16 16:31:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:25,835 INFO L495 AbstractCegarLoop]: Abstraction has 8620 states and 13357 transitions. [2022-10-16 16:31:25,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8620 states and 13357 transitions. [2022-10-16 16:31:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:25,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:25,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:25,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:31:25,837 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:25,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1652664822, now seen corresponding path program 1 times [2022-10-16 16:31:25,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:25,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607948456] [2022-10-16 16:31:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:25,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:26,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:26,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607948456] [2022-10-16 16:31:26,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607948456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:26,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:26,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:26,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082047468] [2022-10-16 16:31:26,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:26,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:26,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:26,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:26,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:26,018 INFO L87 Difference]: Start difference. First operand 8620 states and 13357 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:26,985 INFO L93 Difference]: Finished difference Result 9003 states and 13838 transitions. [2022-10-16 16:31:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:26,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:26,996 INFO L225 Difference]: With dead ends: 9003 [2022-10-16 16:31:26,996 INFO L226 Difference]: Without dead ends: 9000 [2022-10-16 16:31:27,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:27,000 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1455 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:27,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 1186 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-16 16:31:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8929. [2022-10-16 16:31:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8900 states have (on average 1.553820224719101) internal successors, (13829), 8928 states have internal predecessors, (13829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 13829 transitions. [2022-10-16 16:31:27,613 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 13829 transitions. Word has length 118 [2022-10-16 16:31:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:27,614 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 13829 transitions. [2022-10-16 16:31:27,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 13829 transitions. [2022-10-16 16:31:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:27,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:27,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:27,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:31:27,616 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:27,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:27,617 INFO L85 PathProgramCache]: Analyzing trace with hash -162928402, now seen corresponding path program 1 times [2022-10-16 16:31:27,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:27,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123171308] [2022-10-16 16:31:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:27,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123171308] [2022-10-16 16:31:27,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123171308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:27,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:27,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:27,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511173910] [2022-10-16 16:31:27,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:27,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:27,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:27,791 INFO L87 Difference]: Start difference. First operand 8929 states and 13829 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:28,753 INFO L93 Difference]: Finished difference Result 9000 states and 13829 transitions. [2022-10-16 16:31:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:28,764 INFO L225 Difference]: With dead ends: 9000 [2022-10-16 16:31:28,764 INFO L226 Difference]: Without dead ends: 8997 [2022-10-16 16:31:28,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:28,768 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1100 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:28,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 1608 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2022-10-16 16:31:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8929. [2022-10-16 16:31:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8900 states have (on average 1.5517977528089888) internal successors, (13811), 8928 states have internal predecessors, (13811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 13811 transitions. [2022-10-16 16:31:29,426 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 13811 transitions. Word has length 118 [2022-10-16 16:31:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:29,427 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 13811 transitions. [2022-10-16 16:31:29,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 13811 transitions. [2022-10-16 16:31:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:29,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:29,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:29,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:31:29,430 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:29,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:29,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1527186671, now seen corresponding path program 1 times [2022-10-16 16:31:29,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:29,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611381336] [2022-10-16 16:31:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:29,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:29,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611381336] [2022-10-16 16:31:29,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611381336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:29,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:29,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:29,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002827511] [2022-10-16 16:31:29,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:29,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:29,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:29,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:29,600 INFO L87 Difference]: Start difference. First operand 8929 states and 13811 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:30,508 INFO L93 Difference]: Finished difference Result 10240 states and 15798 transitions. [2022-10-16 16:31:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:30,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:30,525 INFO L225 Difference]: With dead ends: 10240 [2022-10-16 16:31:30,525 INFO L226 Difference]: Without dead ends: 10237 [2022-10-16 16:31:30,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:30,529 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 620 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:30,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1290 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:30,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2022-10-16 16:31:31,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 10165. [2022-10-16 16:31:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10165 states, 10136 states have (on average 1.5568271507498026) internal successors, (15780), 10164 states have internal predecessors, (15780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10165 states to 10165 states and 15780 transitions. [2022-10-16 16:31:31,239 INFO L78 Accepts]: Start accepts. Automaton has 10165 states and 15780 transitions. Word has length 118 [2022-10-16 16:31:31,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:31,239 INFO L495 AbstractCegarLoop]: Abstraction has 10165 states and 15780 transitions. [2022-10-16 16:31:31,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10165 states and 15780 transitions. [2022-10-16 16:31:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:31,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:31,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:31,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:31:31,241 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:31,242 INFO L85 PathProgramCache]: Analyzing trace with hash -722372961, now seen corresponding path program 1 times [2022-10-16 16:31:31,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:31,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017531147] [2022-10-16 16:31:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:31,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017531147] [2022-10-16 16:31:31,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017531147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:31,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:31,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:31,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557332790] [2022-10-16 16:31:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:31,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:31,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:31,428 INFO L87 Difference]: Start difference. First operand 10165 states and 15780 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:32,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:32,404 INFO L93 Difference]: Finished difference Result 11158 states and 17250 transitions. [2022-10-16 16:31:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:32,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:32,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:32,423 INFO L225 Difference]: With dead ends: 11158 [2022-10-16 16:31:32,424 INFO L226 Difference]: Without dead ends: 11155 [2022-10-16 16:31:32,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:32,429 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 595 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:32,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1509 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:32,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11155 states. [2022-10-16 16:31:33,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11155 to 11092. [2022-10-16 16:31:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11092 states, 11063 states have (on average 1.5576245141462532) internal successors, (17232), 11091 states have internal predecessors, (17232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11092 states to 11092 states and 17232 transitions. [2022-10-16 16:31:33,161 INFO L78 Accepts]: Start accepts. Automaton has 11092 states and 17232 transitions. Word has length 118 [2022-10-16 16:31:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:33,161 INFO L495 AbstractCegarLoop]: Abstraction has 11092 states and 17232 transitions. [2022-10-16 16:31:33,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 11092 states and 17232 transitions. [2022-10-16 16:31:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:31:33,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:33,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:33,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:31:33,163 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:33,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1664757662, now seen corresponding path program 1 times [2022-10-16 16:31:33,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:33,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188401155] [2022-10-16 16:31:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:33,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188401155] [2022-10-16 16:31:33,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188401155] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:33,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:33,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:33,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302462346] [2022-10-16 16:31:33,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:33,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:33,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:33,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:33,340 INFO L87 Difference]: Start difference. First operand 11092 states and 17232 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:34,381 INFO L93 Difference]: Finished difference Result 11486 states and 17730 transitions. [2022-10-16 16:31:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:34,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:31:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:34,399 INFO L225 Difference]: With dead ends: 11486 [2022-10-16 16:31:34,400 INFO L226 Difference]: Without dead ends: 11483 [2022-10-16 16:31:34,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:34,405 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1224 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:34,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 1680 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2022-10-16 16:31:35,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 11412. [2022-10-16 16:31:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11412 states, 11383 states have (on average 1.5567952209435123) internal successors, (17721), 11411 states have internal predecessors, (17721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11412 states to 11412 states and 17721 transitions. [2022-10-16 16:31:35,144 INFO L78 Accepts]: Start accepts. Automaton has 11412 states and 17721 transitions. Word has length 118 [2022-10-16 16:31:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:35,145 INFO L495 AbstractCegarLoop]: Abstraction has 11412 states and 17721 transitions. [2022-10-16 16:31:35,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 11412 states and 17721 transitions. [2022-10-16 16:31:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:31:35,146 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:35,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:35,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:31:35,147 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:35,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:35,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1731691416, now seen corresponding path program 1 times [2022-10-16 16:31:35,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:35,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833165247] [2022-10-16 16:31:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:35,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833165247] [2022-10-16 16:31:35,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833165247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:35,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:35,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608247098] [2022-10-16 16:31:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:35,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:35,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:35,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:35,341 INFO L87 Difference]: Start difference. First operand 11412 states and 17721 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:36,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:36,560 INFO L93 Difference]: Finished difference Result 14903 states and 23137 transitions. [2022-10-16 16:31:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:36,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:31:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:36,589 INFO L225 Difference]: With dead ends: 14903 [2022-10-16 16:31:36,590 INFO L226 Difference]: Without dead ends: 14900 [2022-10-16 16:31:36,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:36,597 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1698 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:36,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 810 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14900 states. [2022-10-16 16:31:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14900 to 14822. [2022-10-16 16:31:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14822 states, 14793 states have (on average 1.561008585141621) internal successors, (23092), 14821 states have internal predecessors, (23092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14822 states to 14822 states and 23092 transitions. [2022-10-16 16:31:37,588 INFO L78 Accepts]: Start accepts. Automaton has 14822 states and 23092 transitions. Word has length 119 [2022-10-16 16:31:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:37,588 INFO L495 AbstractCegarLoop]: Abstraction has 14822 states and 23092 transitions. [2022-10-16 16:31:37,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 14822 states and 23092 transitions. [2022-10-16 16:31:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:31:37,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:37,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:37,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:31:37,591 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:37,591 INFO L85 PathProgramCache]: Analyzing trace with hash 306998456, now seen corresponding path program 1 times [2022-10-16 16:31:37,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:37,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776256944] [2022-10-16 16:31:37,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:37,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:37,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:37,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776256944] [2022-10-16 16:31:37,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776256944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:37,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:37,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:37,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118890074] [2022-10-16 16:31:37,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:37,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:37,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:37,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:37,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:37,795 INFO L87 Difference]: Start difference. First operand 14822 states and 23092 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:39,372 INFO L93 Difference]: Finished difference Result 18616 states and 28863 transitions. [2022-10-16 16:31:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:39,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:31:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:39,399 INFO L225 Difference]: With dead ends: 18616 [2022-10-16 16:31:39,399 INFO L226 Difference]: Without dead ends: 18613 [2022-10-16 16:31:39,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:39,405 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1467 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:39,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 903 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:39,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18613 states. [2022-10-16 16:31:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18613 to 17305. [2022-10-16 16:31:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17305 states, 17276 states have (on average 1.5593308636258394) internal successors, (26939), 17304 states have internal predecessors, (26939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17305 states to 17305 states and 26939 transitions. [2022-10-16 16:31:40,591 INFO L78 Accepts]: Start accepts. Automaton has 17305 states and 26939 transitions. Word has length 119 [2022-10-16 16:31:40,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:40,592 INFO L495 AbstractCegarLoop]: Abstraction has 17305 states and 26939 transitions. [2022-10-16 16:31:40,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 17305 states and 26939 transitions. [2022-10-16 16:31:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:31:40,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:40,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:40,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:31:40,594 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:40,595 INFO L85 PathProgramCache]: Analyzing trace with hash 98146927, now seen corresponding path program 1 times [2022-10-16 16:31:40,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:40,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605114411] [2022-10-16 16:31:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:40,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:40,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:40,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605114411] [2022-10-16 16:31:40,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605114411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:40,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:40,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:40,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211510947] [2022-10-16 16:31:40,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:40,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:40,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:40,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:40,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:40,795 INFO L87 Difference]: Start difference. First operand 17305 states and 26939 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:42,208 INFO L93 Difference]: Finished difference Result 17354 states and 26939 transitions. [2022-10-16 16:31:42,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:42,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:31:42,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:42,235 INFO L225 Difference]: With dead ends: 17354 [2022-10-16 16:31:42,235 INFO L226 Difference]: Without dead ends: 17351 [2022-10-16 16:31:42,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:42,240 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 616 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:42,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1152 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:42,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17351 states. [2022-10-16 16:31:43,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17351 to 16378. [2022-10-16 16:31:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16378 states, 16349 states have (on average 1.553428344241238) internal successors, (25397), 16377 states have internal predecessors, (25397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16378 states to 16378 states and 25397 transitions. [2022-10-16 16:31:43,295 INFO L78 Accepts]: Start accepts. Automaton has 16378 states and 25397 transitions. Word has length 119 [2022-10-16 16:31:43,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:43,296 INFO L495 AbstractCegarLoop]: Abstraction has 16378 states and 25397 transitions. [2022-10-16 16:31:43,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 16378 states and 25397 transitions. [2022-10-16 16:31:43,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:31:43,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:43,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:43,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:31:43,298 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:43,299 INFO L85 PathProgramCache]: Analyzing trace with hash 67880356, now seen corresponding path program 1 times [2022-10-16 16:31:43,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:43,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226834064] [2022-10-16 16:31:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:43,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:43,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:43,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226834064] [2022-10-16 16:31:43,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226834064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:43,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:43,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:43,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179541048] [2022-10-16 16:31:43,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:43,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:43,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:43,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:43,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:43,479 INFO L87 Difference]: Start difference. First operand 16378 states and 25397 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:45,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:45,058 INFO L93 Difference]: Finished difference Result 19243 states and 29807 transitions. [2022-10-16 16:31:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:45,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 16:31:45,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:45,086 INFO L225 Difference]: With dead ends: 19243 [2022-10-16 16:31:45,086 INFO L226 Difference]: Without dead ends: 19240 [2022-10-16 16:31:45,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:45,093 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1163 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:45,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1465 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:45,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19240 states. [2022-10-16 16:31:46,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19240 to 19159. [2022-10-16 16:31:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19159 states, 19130 states have (on average 1.5553058024046) internal successors, (29753), 19158 states have internal predecessors, (29753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19159 states to 19159 states and 29753 transitions. [2022-10-16 16:31:46,509 INFO L78 Accepts]: Start accepts. Automaton has 19159 states and 29753 transitions. Word has length 119 [2022-10-16 16:31:46,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:46,510 INFO L495 AbstractCegarLoop]: Abstraction has 19159 states and 29753 transitions. [2022-10-16 16:31:46,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 19159 states and 29753 transitions. [2022-10-16 16:31:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:31:46,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:46,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:46,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:31:46,512 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:46,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1632148573, now seen corresponding path program 1 times [2022-10-16 16:31:46,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:46,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904338553] [2022-10-16 16:31:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:46,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:46,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:46,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904338553] [2022-10-16 16:31:46,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904338553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:46,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:46,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:46,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730822706] [2022-10-16 16:31:46,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:46,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:46,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:46,708 INFO L87 Difference]: Start difference. First operand 19159 states and 29753 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:48,318 INFO L93 Difference]: Finished difference Result 20166 states and 31205 transitions. [2022-10-16 16:31:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:48,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:31:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:48,347 INFO L225 Difference]: With dead ends: 20166 [2022-10-16 16:31:48,347 INFO L226 Difference]: Without dead ends: 20163 [2022-10-16 16:31:48,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:48,356 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1292 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:48,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 1214 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20163 states. [2022-10-16 16:31:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20163 to 20086. [2022-10-16 16:31:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20086 states, 20057 states have (on average 1.5549184823253728) internal successors, (31187), 20085 states have internal predecessors, (31187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20086 states to 20086 states and 31187 transitions. [2022-10-16 16:31:49,738 INFO L78 Accepts]: Start accepts. Automaton has 20086 states and 31187 transitions. Word has length 120 [2022-10-16 16:31:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:49,738 INFO L495 AbstractCegarLoop]: Abstraction has 20086 states and 31187 transitions. [2022-10-16 16:31:49,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 20086 states and 31187 transitions. [2022-10-16 16:31:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:31:49,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:49,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:49,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:31:49,740 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:49,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:49,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2142825956, now seen corresponding path program 1 times [2022-10-16 16:31:49,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:49,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614997712] [2022-10-16 16:31:49,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:49,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:49,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:49,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614997712] [2022-10-16 16:31:49,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614997712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:49,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:49,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:49,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108957127] [2022-10-16 16:31:49,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:49,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:49,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:49,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:49,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:49,927 INFO L87 Difference]: Start difference. First operand 20086 states and 31187 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:51,703 INFO L93 Difference]: Finished difference Result 20474 states and 31659 transitions. [2022-10-16 16:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:31:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:51,732 INFO L225 Difference]: With dead ends: 20474 [2022-10-16 16:31:51,732 INFO L226 Difference]: Without dead ends: 20471 [2022-10-16 16:31:51,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:51,739 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 2024 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:51,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 1368 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20471 states. [2022-10-16 16:31:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20471 to 20401. [2022-10-16 16:31:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20401 states, 20372 states have (on average 1.5536029844885137) internal successors, (31650), 20400 states have internal predecessors, (31650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20401 states to 20401 states and 31650 transitions. [2022-10-16 16:31:53,256 INFO L78 Accepts]: Start accepts. Automaton has 20401 states and 31650 transitions. Word has length 120 [2022-10-16 16:31:53,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:53,257 INFO L495 AbstractCegarLoop]: Abstraction has 20401 states and 31650 transitions. [2022-10-16 16:31:53,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 20401 states and 31650 transitions. [2022-10-16 16:31:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:31:53,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:53,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:53,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:31:53,267 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:53,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:53,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1173082303, now seen corresponding path program 1 times [2022-10-16 16:31:53,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:53,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405115386] [2022-10-16 16:31:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:53,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:53,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:53,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405115386] [2022-10-16 16:31:53,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405115386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:53,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:53,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:53,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545243380] [2022-10-16 16:31:53,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:53,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:53,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:53,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:53,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:53,453 INFO L87 Difference]: Start difference. First operand 20401 states and 31650 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:55,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:55,159 INFO L93 Difference]: Finished difference Result 20781 states and 32122 transitions. [2022-10-16 16:31:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:55,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:31:55,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:55,185 INFO L225 Difference]: With dead ends: 20781 [2022-10-16 16:31:55,185 INFO L226 Difference]: Without dead ends: 20778 [2022-10-16 16:31:55,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:55,191 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 1151 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:55,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 1081 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20778 states. [2022-10-16 16:31:56,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20778 to 20710. [2022-10-16 16:31:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20710 states, 20681 states have (on average 1.5523427300420676) internal successors, (32104), 20709 states have internal predecessors, (32104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20710 states to 20710 states and 32104 transitions. [2022-10-16 16:31:56,629 INFO L78 Accepts]: Start accepts. Automaton has 20710 states and 32104 transitions. Word has length 120 [2022-10-16 16:31:56,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:56,629 INFO L495 AbstractCegarLoop]: Abstraction has 20710 states and 32104 transitions. [2022-10-16 16:31:56,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 20710 states and 32104 transitions. [2022-10-16 16:31:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:31:56,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:56,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:56,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:31:56,631 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:56,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:56,631 INFO L85 PathProgramCache]: Analyzing trace with hash 927017932, now seen corresponding path program 1 times [2022-10-16 16:31:56,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:56,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924970798] [2022-10-16 16:31:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:56,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:56,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:56,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924970798] [2022-10-16 16:31:56,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924970798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:56,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:56,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:56,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134405824] [2022-10-16 16:31:56,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:56,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:56,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:56,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:56,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:56,818 INFO L87 Difference]: Start difference. First operand 20710 states and 32104 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:58,592 INFO L93 Difference]: Finished difference Result 21098 states and 32576 transitions. [2022-10-16 16:31:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:58,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:31:58,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:58,614 INFO L225 Difference]: With dead ends: 21098 [2022-10-16 16:31:58,614 INFO L226 Difference]: Without dead ends: 21095 [2022-10-16 16:31:58,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:58,618 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1920 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:58,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 1461 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:58,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21095 states. [2022-10-16 16:31:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21095 to 21025. [2022-10-16 16:31:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21025 states, 20996 states have (on average 1.5511049723756907) internal successors, (32567), 21024 states have internal predecessors, (32567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21025 states to 21025 states and 32567 transitions. [2022-10-16 16:31:59,949 INFO L78 Accepts]: Start accepts. Automaton has 21025 states and 32567 transitions. Word has length 120 [2022-10-16 16:31:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:59,949 INFO L495 AbstractCegarLoop]: Abstraction has 21025 states and 32567 transitions. [2022-10-16 16:31:59,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 21025 states and 32567 transitions. [2022-10-16 16:31:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:31:59,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:59,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:59,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:31:59,952 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:31:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1896761585, now seen corresponding path program 1 times [2022-10-16 16:31:59,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:59,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505679084] [2022-10-16 16:31:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:00,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:00,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505679084] [2022-10-16 16:32:00,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505679084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:00,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:00,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282179408] [2022-10-16 16:32:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:00,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:00,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:00,130 INFO L87 Difference]: Start difference. First operand 21025 states and 32567 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:01,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:01,924 INFO L93 Difference]: Finished difference Result 21405 states and 33039 transitions. [2022-10-16 16:32:01,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:01,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:01,953 INFO L225 Difference]: With dead ends: 21405 [2022-10-16 16:32:01,953 INFO L226 Difference]: Without dead ends: 21402 [2022-10-16 16:32:01,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:01,960 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 1043 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:01,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 1293 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21402 states. [2022-10-16 16:32:03,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21402 to 21334. [2022-10-16 16:32:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21334 states, 21305 states have (on average 1.5494954236094813) internal successors, (33012), 21333 states have internal predecessors, (33012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21334 states to 21334 states and 33012 transitions. [2022-10-16 16:32:03,423 INFO L78 Accepts]: Start accepts. Automaton has 21334 states and 33012 transitions. Word has length 120 [2022-10-16 16:32:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:03,423 INFO L495 AbstractCegarLoop]: Abstraction has 21334 states and 33012 transitions. [2022-10-16 16:32:03,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 21334 states and 33012 transitions. [2022-10-16 16:32:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:03,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:03,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:03,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:32:03,427 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:03,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:03,428 INFO L85 PathProgramCache]: Analyzing trace with hash 784431416, now seen corresponding path program 1 times [2022-10-16 16:32:03,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:03,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856566561] [2022-10-16 16:32:03,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:03,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:03,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856566561] [2022-10-16 16:32:03,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856566561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:03,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:03,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:03,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179346032] [2022-10-16 16:32:03,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:03,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:03,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:03,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:03,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:03,634 INFO L87 Difference]: Start difference. First operand 21334 states and 33012 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:05,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:05,402 INFO L93 Difference]: Finished difference Result 21404 states and 33012 transitions. [2022-10-16 16:32:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:32:05,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:05,431 INFO L225 Difference]: With dead ends: 21404 [2022-10-16 16:32:05,432 INFO L226 Difference]: Without dead ends: 21401 [2022-10-16 16:32:05,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:32:05,438 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 1749 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:05,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 1687 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:05,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21401 states. [2022-10-16 16:32:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21401 to 21334. [2022-10-16 16:32:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21334 states, 21305 states have (on average 1.5490729875616052) internal successors, (33003), 21333 states have internal predecessors, (33003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21334 states to 21334 states and 33003 transitions. [2022-10-16 16:32:06,927 INFO L78 Accepts]: Start accepts. Automaton has 21334 states and 33003 transitions. Word has length 120 [2022-10-16 16:32:06,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:06,927 INFO L495 AbstractCegarLoop]: Abstraction has 21334 states and 33003 transitions. [2022-10-16 16:32:06,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21334 states and 33003 transitions. [2022-10-16 16:32:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:06,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:06,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:06,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:32:06,930 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1955359312, now seen corresponding path program 1 times [2022-10-16 16:32:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:06,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715030017] [2022-10-16 16:32:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:07,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:07,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715030017] [2022-10-16 16:32:07,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715030017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:07,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:07,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:07,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020084757] [2022-10-16 16:32:07,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:07,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:07,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:07,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:07,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:07,120 INFO L87 Difference]: Start difference. First operand 21334 states and 33003 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:08,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:08,883 INFO L93 Difference]: Finished difference Result 21716 states and 33466 transitions. [2022-10-16 16:32:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:32:08,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:08,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:08,911 INFO L225 Difference]: With dead ends: 21716 [2022-10-16 16:32:08,912 INFO L226 Difference]: Without dead ends: 21713 [2022-10-16 16:32:08,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:08,919 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 1424 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:08,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 1901 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21713 states. [2022-10-16 16:32:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21713 to 21643. [2022-10-16 16:32:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21643 states, 21614 states have (on average 1.5479318959933377) internal successors, (33457), 21642 states have internal predecessors, (33457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21643 states to 21643 states and 33457 transitions. [2022-10-16 16:32:10,394 INFO L78 Accepts]: Start accepts. Automaton has 21643 states and 33457 transitions. Word has length 120 [2022-10-16 16:32:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:10,395 INFO L495 AbstractCegarLoop]: Abstraction has 21643 states and 33457 transitions. [2022-10-16 16:32:10,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 21643 states and 33457 transitions. [2022-10-16 16:32:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:10,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:10,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:10,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:32:10,396 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:10,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash 655424498, now seen corresponding path program 1 times [2022-10-16 16:32:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:10,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882061788] [2022-10-16 16:32:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:10,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:10,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882061788] [2022-10-16 16:32:10,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882061788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:10,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:10,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:32:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548790216] [2022-10-16 16:32:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:10,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:32:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:10,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:32:10,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:10,542 INFO L87 Difference]: Start difference. First operand 21643 states and 33457 transitions. Second operand has 5 states, 4 states have (on average 30.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:12,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:12,296 INFO L93 Difference]: Finished difference Result 23875 states and 36869 transitions. [2022-10-16 16:32:12,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:32:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:12,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:12,329 INFO L225 Difference]: With dead ends: 23875 [2022-10-16 16:32:12,329 INFO L226 Difference]: Without dead ends: 23872 [2022-10-16 16:32:12,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:32:12,337 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 581 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:12,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1639 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:12,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23872 states. [2022-10-16 16:32:13,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23872 to 22879. [2022-10-16 16:32:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22879 states, 22850 states have (on average 1.5440700218818382) internal successors, (35282), 22878 states have internal predecessors, (35282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22879 states to 22879 states and 35282 transitions. [2022-10-16 16:32:13,946 INFO L78 Accepts]: Start accepts. Automaton has 22879 states and 35282 transitions. Word has length 120 [2022-10-16 16:32:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:13,947 INFO L495 AbstractCegarLoop]: Abstraction has 22879 states and 35282 transitions. [2022-10-16 16:32:13,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 22879 states and 35282 transitions. [2022-10-16 16:32:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:13,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:13,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:13,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:32:13,948 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:13,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:13,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1252412175, now seen corresponding path program 1 times [2022-10-16 16:32:13,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:13,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242225949] [2022-10-16 16:32:13,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:13,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:14,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:14,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242225949] [2022-10-16 16:32:14,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242225949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:14,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:14,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550761401] [2022-10-16 16:32:14,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:14,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:14,114 INFO L87 Difference]: Start difference. First operand 22879 states and 35282 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:16,111 INFO L93 Difference]: Finished difference Result 24825 states and 38195 transitions. [2022-10-16 16:32:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:16,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:16,147 INFO L225 Difference]: With dead ends: 24825 [2022-10-16 16:32:16,148 INFO L226 Difference]: Without dead ends: 24822 [2022-10-16 16:32:16,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:16,156 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1099 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:16,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1581 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24822 states. [2022-10-16 16:32:17,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24822 to 23806. [2022-10-16 16:32:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23806 states, 23777 states have (on average 1.5449383858350507) internal successors, (36734), 23805 states have internal predecessors, (36734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 36734 transitions. [2022-10-16 16:32:17,842 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 36734 transitions. Word has length 120 [2022-10-16 16:32:17,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:17,842 INFO L495 AbstractCegarLoop]: Abstraction has 23806 states and 36734 transitions. [2022-10-16 16:32:17,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 36734 transitions. [2022-10-16 16:32:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:17,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:17,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:17,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:32:17,844 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:17,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:17,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1584298657, now seen corresponding path program 1 times [2022-10-16 16:32:17,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:17,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762677564] [2022-10-16 16:32:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:18,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:18,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762677564] [2022-10-16 16:32:18,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762677564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:18,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:18,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:18,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547341228] [2022-10-16 16:32:18,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:18,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:18,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:18,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:18,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:18,012 INFO L87 Difference]: Start difference. First operand 23806 states and 36734 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:19,985 INFO L93 Difference]: Finished difference Result 24813 states and 38186 transitions. [2022-10-16 16:32:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:19,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:20,013 INFO L225 Difference]: With dead ends: 24813 [2022-10-16 16:32:20,013 INFO L226 Difference]: Without dead ends: 24810 [2022-10-16 16:32:20,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:20,032 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 1075 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:20,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1441 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:20,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24810 states. [2022-10-16 16:32:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24810 to 24733. [2022-10-16 16:32:21,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24733 states, 24704 states have (on average 1.5450129533678756) internal successors, (38168), 24732 states have internal predecessors, (38168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24733 states to 24733 states and 38168 transitions. [2022-10-16 16:32:21,637 INFO L78 Accepts]: Start accepts. Automaton has 24733 states and 38168 transitions. Word has length 120 [2022-10-16 16:32:21,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:21,637 INFO L495 AbstractCegarLoop]: Abstraction has 24733 states and 38168 transitions. [2022-10-16 16:32:21,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24733 states and 38168 transitions. [2022-10-16 16:32:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:21,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:21,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:21,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:32:21,640 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:21,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:21,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2104291424, now seen corresponding path program 1 times [2022-10-16 16:32:21,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:21,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429316841] [2022-10-16 16:32:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:21,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:21,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:21,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429316841] [2022-10-16 16:32:21,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429316841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:21,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:21,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:21,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146050889] [2022-10-16 16:32:21,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:21,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:21,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:21,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:21,813 INFO L87 Difference]: Start difference. First operand 24733 states and 38168 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:23,860 INFO L93 Difference]: Finished difference Result 25121 states and 38640 transitions. [2022-10-16 16:32:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:23,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:23,896 INFO L225 Difference]: With dead ends: 25121 [2022-10-16 16:32:23,897 INFO L226 Difference]: Without dead ends: 25118 [2022-10-16 16:32:23,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:23,906 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 1583 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:23,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 2178 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25118 states. [2022-10-16 16:32:25,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25118 to 25048. [2022-10-16 16:32:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25048 states, 25019 states have (on average 1.5440665094528159) internal successors, (38631), 25047 states have internal predecessors, (38631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25048 states to 25048 states and 38631 transitions. [2022-10-16 16:32:25,691 INFO L78 Accepts]: Start accepts. Automaton has 25048 states and 38631 transitions. Word has length 120 [2022-10-16 16:32:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:25,691 INFO L495 AbstractCegarLoop]: Abstraction has 25048 states and 38631 transitions. [2022-10-16 16:32:25,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 25048 states and 38631 transitions. [2022-10-16 16:32:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:32:25,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:25,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:25,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:32:25,694 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1220932219, now seen corresponding path program 1 times [2022-10-16 16:32:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:25,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635937737] [2022-10-16 16:32:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:25,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:25,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635937737] [2022-10-16 16:32:25,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635937737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:25,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:25,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:25,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858154826] [2022-10-16 16:32:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:25,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:25,870 INFO L87 Difference]: Start difference. First operand 25048 states and 38631 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:27,817 INFO L93 Difference]: Finished difference Result 25428 states and 39103 transitions. [2022-10-16 16:32:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:27,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 16:32:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:27,872 INFO L225 Difference]: With dead ends: 25428 [2022-10-16 16:32:27,872 INFO L226 Difference]: Without dead ends: 25425 [2022-10-16 16:32:27,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:27,884 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 928 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:27,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1770 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25425 states. [2022-10-16 16:32:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25425 to 25357. [2022-10-16 16:32:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25357 states, 25328 states have (on average 1.5435091598231208) internal successors, (39094), 25356 states have internal predecessors, (39094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25357 states to 25357 states and 39094 transitions. [2022-10-16 16:32:29,701 INFO L78 Accepts]: Start accepts. Automaton has 25357 states and 39094 transitions. Word has length 120 [2022-10-16 16:32:29,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:29,702 INFO L495 AbstractCegarLoop]: Abstraction has 25357 states and 39094 transitions. [2022-10-16 16:32:29,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 25357 states and 39094 transitions. [2022-10-16 16:32:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:32:29,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:29,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:29,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:32:29,703 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:29,704 INFO L85 PathProgramCache]: Analyzing trace with hash -943001403, now seen corresponding path program 1 times [2022-10-16 16:32:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:29,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537955422] [2022-10-16 16:32:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:29,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:29,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537955422] [2022-10-16 16:32:29,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537955422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:29,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:29,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:29,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005563675] [2022-10-16 16:32:29,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:29,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:29,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:29,878 INFO L87 Difference]: Start difference. First operand 25357 states and 39094 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:32,515 INFO L93 Difference]: Finished difference Result 34390 states and 53106 transitions. [2022-10-16 16:32:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:32,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:32:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:32,562 INFO L225 Difference]: With dead ends: 34390 [2022-10-16 16:32:32,562 INFO L226 Difference]: Without dead ends: 34387 [2022-10-16 16:32:32,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:32,573 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1330 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:32,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 1055 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34387 states. [2022-10-16 16:32:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34387 to 29683. [2022-10-16 16:32:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29683 states, 29654 states have (on average 1.5484588925608687) internal successors, (45918), 29682 states have internal predecessors, (45918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29683 states to 29683 states and 45918 transitions. [2022-10-16 16:32:34,739 INFO L78 Accepts]: Start accepts. Automaton has 29683 states and 45918 transitions. Word has length 121 [2022-10-16 16:32:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:34,739 INFO L495 AbstractCegarLoop]: Abstraction has 29683 states and 45918 transitions. [2022-10-16 16:32:34,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 29683 states and 45918 transitions. [2022-10-16 16:32:34,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:32:34,741 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:34,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:34,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:32:34,742 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:34,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:34,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2003094806, now seen corresponding path program 1 times [2022-10-16 16:32:34,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:34,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783832956] [2022-10-16 16:32:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:34,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:34,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:34,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783832956] [2022-10-16 16:32:34,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783832956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:34,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:34,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:34,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317085539] [2022-10-16 16:32:34,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:34,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:34,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:34,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:34,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:34,922 INFO L87 Difference]: Start difference. First operand 29683 states and 45918 transitions. Second operand has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:37,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:37,937 INFO L93 Difference]: Finished difference Result 36909 states and 56963 transitions. [2022-10-16 16:32:37,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:37,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:32:37,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:37,995 INFO L225 Difference]: With dead ends: 36909 [2022-10-16 16:32:37,996 INFO L226 Difference]: Without dead ends: 36906 [2022-10-16 16:32:38,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:38,008 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 2138 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:38,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 1199 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36906 states. [2022-10-16 16:32:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36906 to 36802. [2022-10-16 16:32:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36802 states, 36773 states have (on average 1.547086177358388) internal successors, (56891), 36801 states have internal predecessors, (56891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36802 states to 36802 states and 56891 transitions. [2022-10-16 16:32:40,928 INFO L78 Accepts]: Start accepts. Automaton has 36802 states and 56891 transitions. Word has length 121 [2022-10-16 16:32:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:40,928 INFO L495 AbstractCegarLoop]: Abstraction has 36802 states and 56891 transitions. [2022-10-16 16:32:40,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36802 states and 56891 transitions. [2022-10-16 16:32:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:32:40,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:40,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:40,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:32:40,930 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:40,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1327214790, now seen corresponding path program 1 times [2022-10-16 16:32:40,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:40,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598439095] [2022-10-16 16:32:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:40,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:41,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:41,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598439095] [2022-10-16 16:32:41,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598439095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:41,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:41,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:41,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160923934] [2022-10-16 16:32:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:41,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:41,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:41,098 INFO L87 Difference]: Start difference. First operand 36802 states and 56891 transitions. Second operand has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:44,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:44,849 INFO L93 Difference]: Finished difference Result 45546 states and 70197 transitions. [2022-10-16 16:32:44,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:44,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:32:44,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:44,907 INFO L225 Difference]: With dead ends: 45546 [2022-10-16 16:32:44,907 INFO L226 Difference]: Without dead ends: 45543 [2022-10-16 16:32:44,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:44,916 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1910 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:44,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 1292 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45543 states. [2022-10-16 16:32:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45543 to 45460. [2022-10-16 16:32:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45460 states, 45431 states have (on average 1.5437476612885475) internal successors, (70134), 45459 states have internal predecessors, (70134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45460 states to 45460 states and 70134 transitions. [2022-10-16 16:32:48,881 INFO L78 Accepts]: Start accepts. Automaton has 45460 states and 70134 transitions. Word has length 121 [2022-10-16 16:32:48,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:48,881 INFO L495 AbstractCegarLoop]: Abstraction has 45460 states and 70134 transitions. [2022-10-16 16:32:48,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 45460 states and 70134 transitions. [2022-10-16 16:32:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:32:48,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:48,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:48,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:32:48,883 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash -486596138, now seen corresponding path program 1 times [2022-10-16 16:32:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:48,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934787145] [2022-10-16 16:32:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:48,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:49,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:49,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934787145] [2022-10-16 16:32:49,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934787145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:49,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:49,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:49,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388940109] [2022-10-16 16:32:49,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:49,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:49,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:49,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:49,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:49,243 INFO L87 Difference]: Start difference. First operand 45460 states and 70134 transitions. Second operand has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:53,428 INFO L93 Difference]: Finished difference Result 51114 states and 78522 transitions. [2022-10-16 16:32:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:32:53,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:32:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:53,506 INFO L225 Difference]: With dead ends: 51114 [2022-10-16 16:32:53,506 INFO L226 Difference]: Without dead ends: 51111 [2022-10-16 16:32:53,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:32:53,520 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1693 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:53,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 1384 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:32:53,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51111 states. [2022-10-16 16:32:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51111 to 49798. [2022-10-16 16:32:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49798 states, 49769 states have (on average 1.539613012115976) internal successors, (76625), 49797 states have internal predecessors, (76625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49798 states to 49798 states and 76625 transitions. [2022-10-16 16:32:58,116 INFO L78 Accepts]: Start accepts. Automaton has 49798 states and 76625 transitions. Word has length 121 [2022-10-16 16:32:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:58,116 INFO L495 AbstractCegarLoop]: Abstraction has 49798 states and 76625 transitions. [2022-10-16 16:32:58,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 49798 states and 76625 transitions. [2022-10-16 16:32:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:32:58,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:58,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:58,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:32:58,118 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:32:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash -170071375, now seen corresponding path program 1 times [2022-10-16 16:32:58,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:58,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670110029] [2022-10-16 16:32:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:58,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:58,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:58,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670110029] [2022-10-16 16:32:58,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670110029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:58,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:58,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:58,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280588694] [2022-10-16 16:32:58,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:58,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:58,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:58,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:58,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:58,431 INFO L87 Difference]: Start difference. First operand 49798 states and 76625 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:03,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:03,176 INFO L93 Difference]: Finished difference Result 56677 states and 87351 transitions. [2022-10-16 16:33:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:03,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:33:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:03,265 INFO L225 Difference]: With dead ends: 56677 [2022-10-16 16:33:03,265 INFO L226 Difference]: Without dead ends: 56674 [2022-10-16 16:33:03,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:33:03,283 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1109 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:03,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1284 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:33:03,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56674 states. [2022-10-16 16:33:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56674 to 55978. [2022-10-16 16:33:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55978 states, 55949 states have (on average 1.5414931455432626) internal successors, (86245), 55977 states have internal predecessors, (86245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55978 states to 55978 states and 86245 transitions. [2022-10-16 16:33:08,416 INFO L78 Accepts]: Start accepts. Automaton has 55978 states and 86245 transitions. Word has length 121 [2022-10-16 16:33:08,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:08,416 INFO L495 AbstractCegarLoop]: Abstraction has 55978 states and 86245 transitions. [2022-10-16 16:33:08,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 55978 states and 86245 transitions. [2022-10-16 16:33:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:33:08,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:08,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:08,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:33:08,418 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:33:08,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1868618497, now seen corresponding path program 1 times [2022-10-16 16:33:08,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:08,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649634969] [2022-10-16 16:33:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:08,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:08,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649634969] [2022-10-16 16:33:08,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649634969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:08,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:08,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:08,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028937340] [2022-10-16 16:33:08,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:08,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:08,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:08,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:08,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:08,580 INFO L87 Difference]: Start difference. First operand 55978 states and 86245 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:14,526 INFO L93 Difference]: Finished difference Result 67189 states and 103921 transitions. [2022-10-16 16:33:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:33:14,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:14,624 INFO L225 Difference]: With dead ends: 67189 [2022-10-16 16:33:14,625 INFO L226 Difference]: Without dead ends: 67183 [2022-10-16 16:33:14,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:33:14,638 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 992 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:14,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 1478 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:33:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67183 states. [2022-10-16 16:33:20,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67183 to 64630. [2022-10-16 16:33:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64630 states, 64601 states have (on average 1.5446355319577096) internal successors, (99785), 64629 states have internal predecessors, (99785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64630 states to 64630 states and 99785 transitions. [2022-10-16 16:33:20,342 INFO L78 Accepts]: Start accepts. Automaton has 64630 states and 99785 transitions. Word has length 121 [2022-10-16 16:33:20,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:20,342 INFO L495 AbstractCegarLoop]: Abstraction has 64630 states and 99785 transitions. [2022-10-16 16:33:20,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 64630 states and 99785 transitions. [2022-10-16 16:33:20,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:33:20,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:20,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:20,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:33:20,344 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:33:20,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:20,345 INFO L85 PathProgramCache]: Analyzing trace with hash 808525094, now seen corresponding path program 1 times [2022-10-16 16:33:20,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:20,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448820485] [2022-10-16 16:33:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:20,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:20,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448820485] [2022-10-16 16:33:20,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448820485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:20,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:20,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:33:20,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009100466] [2022-10-16 16:33:20,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:20,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:33:20,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:33:20,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:33:20,695 INFO L87 Difference]: Start difference. First operand 64630 states and 99785 transitions. Second operand has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:26,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:26,743 INFO L93 Difference]: Finished difference Result 73089 states and 112700 transitions. [2022-10-16 16:33:26,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:33:26,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 16:33:26,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:26,859 INFO L225 Difference]: With dead ends: 73089 [2022-10-16 16:33:26,859 INFO L226 Difference]: Without dead ends: 73086 [2022-10-16 16:33:26,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:33:26,878 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1629 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:26,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 1648 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:33:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73086 states. [2022-10-16 16:33:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73086 to 72979. [2022-10-16 16:33:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72979 states, 72950 states have (on average 1.5439067854694997) internal successors, (112628), 72978 states have internal predecessors, (112628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72979 states to 72979 states and 112628 transitions. [2022-10-16 16:33:33,775 INFO L78 Accepts]: Start accepts. Automaton has 72979 states and 112628 transitions. Word has length 121 [2022-10-16 16:33:33,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:33,776 INFO L495 AbstractCegarLoop]: Abstraction has 72979 states and 112628 transitions. [2022-10-16 16:33:33,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72979 states and 112628 transitions. [2022-10-16 16:33:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:33:33,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:33,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:33,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:33:33,778 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:33:33,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:33,778 INFO L85 PathProgramCache]: Analyzing trace with hash 831727967, now seen corresponding path program 1 times [2022-10-16 16:33:33,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:33,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456753779] [2022-10-16 16:33:33,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:33,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:33,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456753779] [2022-10-16 16:33:33,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456753779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:33,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:33,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:33:33,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035409679] [2022-10-16 16:33:33,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:33,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:33:33,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:33:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:33:33,941 INFO L87 Difference]: Start difference. First operand 72979 states and 112628 transitions. Second operand has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:40,441 INFO L93 Difference]: Finished difference Result 73997 states and 114044 transitions. [2022-10-16 16:33:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:33:40,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:33:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:40,551 INFO L225 Difference]: With dead ends: 73997 [2022-10-16 16:33:40,551 INFO L226 Difference]: Without dead ends: 73994 [2022-10-16 16:33:40,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:33:40,567 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1880 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:40,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 1381 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:33:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73994 states. [2022-10-16 16:33:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73994 to 73906. [2022-10-16 16:33:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73906 states, 73877 states have (on average 1.5434573683284378) internal successors, (114026), 73905 states have internal predecessors, (114026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73906 states to 73906 states and 114026 transitions. [2022-10-16 16:33:47,305 INFO L78 Accepts]: Start accepts. Automaton has 73906 states and 114026 transitions. Word has length 122 [2022-10-16 16:33:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:47,305 INFO L495 AbstractCegarLoop]: Abstraction has 73906 states and 114026 transitions. [2022-10-16 16:33:47,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 73906 states and 114026 transitions. [2022-10-16 16:33:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:33:47,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:47,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:47,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:33:47,307 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:33:47,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1801471620, now seen corresponding path program 1 times [2022-10-16 16:33:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:47,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151421560] [2022-10-16 16:33:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:47,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:47,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151421560] [2022-10-16 16:33:47,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151421560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:47,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:47,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:47,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460381306] [2022-10-16 16:33:47,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:47,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:47,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:47,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:47,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:47,487 INFO L87 Difference]: Start difference. First operand 73906 states and 114026 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:54,060 INFO L93 Difference]: Finished difference Result 76143 states and 117312 transitions. [2022-10-16 16:33:54,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:54,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:33:54,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:54,167 INFO L225 Difference]: With dead ends: 76143 [2022-10-16 16:33:54,167 INFO L226 Difference]: Without dead ends: 76140 [2022-10-16 16:33:54,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:54,183 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 877 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:54,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1340 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:33:54,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76140 states. [2022-10-16 16:34:00,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76140 to 75142. [2022-10-16 16:34:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75142 states, 75113 states have (on average 1.54151744704645) internal successors, (115788), 75141 states have internal predecessors, (115788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75142 states to 75142 states and 115788 transitions. [2022-10-16 16:34:00,966 INFO L78 Accepts]: Start accepts. Automaton has 75142 states and 115788 transitions. Word has length 122 [2022-10-16 16:34:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:34:00,966 INFO L495 AbstractCegarLoop]: Abstraction has 75142 states and 115788 transitions. [2022-10-16 16:34:00,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 75142 states and 115788 transitions. [2022-10-16 16:34:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:34:00,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:34:00,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:34:00,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:34:00,968 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-16 16:34:00,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:34:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash 689141451, now seen corresponding path program 1 times [2022-10-16 16:34:00,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:34:00,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310412929] [2022-10-16 16:34:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:34:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:34:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:34:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:34:01,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:34:01,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310412929] [2022-10-16 16:34:01,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310412929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:34:01,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:34:01,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:34:01,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114049370] [2022-10-16 16:34:01,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:34:01,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:34:01,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:34:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:34:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:34:01,098 INFO L87 Difference]: Start difference. First operand 75142 states and 115788 transitions. Second operand has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:34:07,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:34:07,485 INFO L93 Difference]: Finished difference Result 75521 states and 116242 transitions. [2022-10-16 16:34:07,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:34:07,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:34:07,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:34:07,595 INFO L225 Difference]: With dead ends: 75521 [2022-10-16 16:34:07,596 INFO L226 Difference]: Without dead ends: 75518 [2022-10-16 16:34:07,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:34:07,610 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 1684 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:34:07,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 1462 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:34:07,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75518 states.