/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-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:01:50,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:01:50,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:01:50,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:01:50,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:01:50,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:01:50,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:01:50,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:01:50,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:01:50,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:01:50,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:01:50,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:01:50,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:01:50,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:01:50,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:01:50,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:01:50,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:01:50,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:01:50,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:01:50,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:01:50,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:01:50,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:01:50,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:01:50,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:01:50,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:01:50,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:01:50,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:01:50,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:01:50,795 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 16:01:50,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:01:50,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:01:50,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:01:50,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:01:50,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:01:50,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:01:50,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:01:50,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:01:50,849 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:01:50,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:01:50,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:01:50,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:01:50,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:01:50,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:01:50,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:01:50,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:01:50,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:01:50,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:01:50,852 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:01:50,852 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:01:50,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:01:50,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:01:50,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:01:50,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:01:50,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:01:50,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:01:50,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:01:50,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:01:50,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:01:50,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:01:50,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:01:50,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:01:50,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:01:50,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:01:51,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:01:51,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:01:51,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:01:51,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:01:51,271 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:01:51,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:01:51,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a6e4881/3b3059c547364baf87caf497951d32f6/FLAG27189e89a [2022-10-16 16:01:52,002 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:01:52,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:01:52,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a6e4881/3b3059c547364baf87caf497951d32f6/FLAG27189e89a [2022-10-16 16:01:52,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a6e4881/3b3059c547364baf87caf497951d32f6 [2022-10-16 16:01:52,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:01:52,294 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:01:52,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:01:52,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:01:52,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:01:52,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df7c33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52, skipping insertion in model container [2022-10-16 16:01:52,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:01:52,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:01:52,552 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-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4409,4422] [2022-10-16 16:01:52,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:01:52,606 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:01:52,684 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-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4409,4422] [2022-10-16 16:01:52,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:01:52,748 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:01:52,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52 WrapperNode [2022-10-16 16:01:52,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:01:52,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:01:52,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:01:52,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:01:52,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,812 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 342 [2022-10-16 16:01:52,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:01:52,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:01:52,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:01:52,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:01:52,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:01:52,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:01:52,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:01:52,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:01:52,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (1/1) ... [2022-10-16 16:01:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:01:52,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:01:52,949 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 16:01:52,980 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 16:01:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:01:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:01:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:01:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:01:53,225 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:01:53,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:01:53,814 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:01:53,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:01:53,825 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:01:53,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:01:53 BoogieIcfgContainer [2022-10-16 16:01:53,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:01:53,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:01:53,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:01:53,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:01:53,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:01:52" (1/3) ... [2022-10-16 16:01:53,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1848879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:01:53, skipping insertion in model container [2022-10-16 16:01:53,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:01:52" (2/3) ... [2022-10-16 16:01:53,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1848879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:01:53, skipping insertion in model container [2022-10-16 16:01:53,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:01:53" (3/3) ... [2022-10-16 16:01:53,839 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:01:53,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:01:53,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 16:01:53,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:01:53,935 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;@41d3c8e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:01:53,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 16:01:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 97 states have (on average 1.7216494845360826) internal successors, (167), 111 states have internal predecessors, (167), 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 16:01:53,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:01:53,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:53,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:01:53,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:53,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:53,956 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:01:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:53,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413283561] [2022-10-16 16:01:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:54,175 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 16:01:54,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:54,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413283561] [2022-10-16 16:01:54,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413283561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:54,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:54,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:01:54,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926239299] [2022-10-16 16:01:54,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:54,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:01:54,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:54,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:01:54,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:01:54,224 INFO L87 Difference]: Start difference. First operand has 112 states, 97 states have (on average 1.7216494845360826) internal successors, (167), 111 states have internal predecessors, (167), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:54,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:54,253 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2022-10-16 16:01:54,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:01:54,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:01:54,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:54,268 INFO L225 Difference]: With dead ends: 115 [2022-10-16 16:01:54,268 INFO L226 Difference]: Without dead ends: 103 [2022-10-16 16:01:54,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:01:54,277 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:54,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-10-16 16:01:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-10-16 16:01:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 102 states have internal predecessors, (140), 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 16:01:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2022-10-16 16:01:54,331 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 4 [2022-10-16 16:01:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:54,332 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2022-10-16 16:01:54,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:01:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2022-10-16 16:01:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:01:54,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:54,335 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] [2022-10-16 16:01:54,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:01:54,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:54,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:54,337 INFO L85 PathProgramCache]: Analyzing trace with hash -638653898, now seen corresponding path program 1 times [2022-10-16 16:01:54,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:54,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695731811] [2022-10-16 16:01:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:54,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:54,575 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 16:01:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:54,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695731811] [2022-10-16 16:01:54,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695731811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:54,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:54,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:54,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679026619] [2022-10-16 16:01:54,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:54,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:54,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:54,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:54,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:54,580 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 16:01:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:54,649 INFO L93 Difference]: Finished difference Result 245 states and 346 transitions. [2022-10-16 16:01:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:54,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2022-10-16 16:01:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:54,653 INFO L225 Difference]: With dead ends: 245 [2022-10-16 16:01:54,653 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 16:01:54,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:01:54,656 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 99 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:54,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 302 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 16:01:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2022-10-16 16:01:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 157 states have internal predecessors, (229), 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 16:01:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 229 transitions. [2022-10-16 16:01:54,687 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 229 transitions. Word has length 39 [2022-10-16 16:01:54,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:54,688 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 229 transitions. [2022-10-16 16:01:54,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 16:01:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2022-10-16 16:01:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:01:54,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:54,690 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] [2022-10-16 16:01:54,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:01:54,691 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash -806996661, now seen corresponding path program 1 times [2022-10-16 16:01:54,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:54,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830604467] [2022-10-16 16:01:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:54,830 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 16:01:54,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:54,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830604467] [2022-10-16 16:01:54,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830604467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:54,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:54,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:54,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832061594] [2022-10-16 16:01:54,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:54,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:54,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:54,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:54,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:54,835 INFO L87 Difference]: Start difference. First operand 158 states and 229 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 16:01:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:54,911 INFO L93 Difference]: Finished difference Result 394 states and 587 transitions. [2022-10-16 16:01:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:54,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2022-10-16 16:01:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:54,915 INFO L225 Difference]: With dead ends: 394 [2022-10-16 16:01:54,915 INFO L226 Difference]: Without dead ends: 260 [2022-10-16 16:01:54,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:01:54,924 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 94 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:54,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 287 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-10-16 16:01:55,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2022-10-16 16:01:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 244 states have (on average 1.5573770491803278) internal successors, (380), 251 states have internal predecessors, (380), 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 16:01:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 380 transitions. [2022-10-16 16:01:55,019 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 380 transitions. Word has length 40 [2022-10-16 16:01:55,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:55,020 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 380 transitions. [2022-10-16 16:01:55,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 16:01:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 380 transitions. [2022-10-16 16:01:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:01:55,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:55,023 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] [2022-10-16 16:01:55,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:01:55,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:55,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1685721205, now seen corresponding path program 1 times [2022-10-16 16:01:55,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:55,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349800686] [2022-10-16 16:01:55,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:55,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:55,199 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 16:01:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:55,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349800686] [2022-10-16 16:01:55,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349800686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:55,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:55,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:55,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704021880] [2022-10-16 16:01:55,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:55,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:55,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:55,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:55,209 INFO L87 Difference]: Start difference. First operand 252 states and 380 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 16:01:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:55,473 INFO L93 Difference]: Finished difference Result 706 states and 1092 transitions. [2022-10-16 16:01:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:01:55,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2022-10-16 16:01:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:55,479 INFO L225 Difference]: With dead ends: 706 [2022-10-16 16:01:55,479 INFO L226 Difference]: Without dead ends: 704 [2022-10-16 16:01:55,480 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 16:01:55,482 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 335 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:55,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 411 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-10-16 16:01:55,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 472. [2022-10-16 16:01:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 464 states have (on average 1.5689655172413792) internal successors, (728), 471 states have internal predecessors, (728), 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 16:01:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 728 transitions. [2022-10-16 16:01:55,556 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 728 transitions. Word has length 41 [2022-10-16 16:01:55,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:55,556 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 728 transitions. [2022-10-16 16:01:55,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 16:01:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 728 transitions. [2022-10-16 16:01:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 16:01:55,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:55,559 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] [2022-10-16 16:01:55,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:01:55,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash -717749647, now seen corresponding path program 1 times [2022-10-16 16:01:55,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:55,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000034659] [2022-10-16 16:01:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:55,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:55,691 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 16:01:55,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:55,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000034659] [2022-10-16 16:01:55,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000034659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:55,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:55,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:55,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541918981] [2022-10-16 16:01:55,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:55,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:55,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:55,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:55,697 INFO L87 Difference]: Start difference. First operand 472 states and 728 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 16:01:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:55,872 INFO L93 Difference]: Finished difference Result 698 states and 1084 transitions. [2022-10-16 16:01:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:55,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2022-10-16 16:01:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:55,880 INFO L225 Difference]: With dead ends: 698 [2022-10-16 16:01:55,881 INFO L226 Difference]: Without dead ends: 696 [2022-10-16 16:01:55,883 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 16:01:55,889 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 330 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:55,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 231 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-10-16 16:01:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 692. [2022-10-16 16:01:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 684 states have (on average 1.5614035087719298) internal successors, (1068), 691 states have internal predecessors, (1068), 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 16:01:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1068 transitions. [2022-10-16 16:01:55,990 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1068 transitions. Word has length 42 [2022-10-16 16:01:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:55,991 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1068 transitions. [2022-10-16 16:01:55,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 16:01:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1068 transitions. [2022-10-16 16:01:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 16:01:55,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:55,996 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] [2022-10-16 16:01:55,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:01:55,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash -775402419, now seen corresponding path program 1 times [2022-10-16 16:01:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:56,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380988634] [2022-10-16 16:01:56,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:56,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:56,164 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 16:01:56,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:56,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380988634] [2022-10-16 16:01:56,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380988634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:56,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:56,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:56,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785890106] [2022-10-16 16:01:56,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:56,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:56,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:56,168 INFO L87 Difference]: Start difference. First operand 692 states and 1068 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 16:01:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:56,456 INFO L93 Difference]: Finished difference Result 1810 states and 2800 transitions. [2022-10-16 16:01:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:01:56,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 43 [2022-10-16 16:01:56,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:56,465 INFO L225 Difference]: With dead ends: 1810 [2022-10-16 16:01:56,465 INFO L226 Difference]: Without dead ends: 1142 [2022-10-16 16:01:56,467 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 16:01:56,468 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 550 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:56,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 691 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-10-16 16:01:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 912. [2022-10-16 16:01:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 904 states have (on average 1.5398230088495575) internal successors, (1392), 911 states have internal predecessors, (1392), 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 16:01:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1392 transitions. [2022-10-16 16:01:56,578 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1392 transitions. Word has length 43 [2022-10-16 16:01:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:56,578 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1392 transitions. [2022-10-16 16:01:56,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 16:01:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1392 transitions. [2022-10-16 16:01:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 16:01:56,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:56,580 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] [2022-10-16 16:01:56,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:01:56,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:56,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1732328947, now seen corresponding path program 1 times [2022-10-16 16:01:56,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:56,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649519766] [2022-10-16 16:01:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:56,681 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 16:01:56,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:56,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649519766] [2022-10-16 16:01:56,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649519766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:56,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:56,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:01:56,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014561730] [2022-10-16 16:01:56,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:56,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:01:56,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:56,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:01:56,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:01:56,685 INFO L87 Difference]: Start difference. First operand 912 states and 1392 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 16:01:57,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:57,016 INFO L93 Difference]: Finished difference Result 1362 states and 2096 transitions. [2022-10-16 16:01:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:01:57,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2022-10-16 16:01:57,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:57,025 INFO L225 Difference]: With dead ends: 1362 [2022-10-16 16:01:57,026 INFO L226 Difference]: Without dead ends: 1360 [2022-10-16 16:01:57,026 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 16:01:57,028 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 688 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:57,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 462 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:57,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-10-16 16:01:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1352. [2022-10-16 16:01:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1344 states have (on average 1.5357142857142858) internal successors, (2064), 1351 states have internal predecessors, (2064), 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 16:01:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2064 transitions. [2022-10-16 16:01:57,184 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2064 transitions. Word has length 44 [2022-10-16 16:01:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:57,185 INFO L495 AbstractCegarLoop]: Abstraction has 1352 states and 2064 transitions. [2022-10-16 16:01:57,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 16:01:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2064 transitions. [2022-10-16 16:01:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:01:57,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:57,186 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] [2022-10-16 16:01:57,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:01:57,187 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:57,188 INFO L85 PathProgramCache]: Analyzing trace with hash 916159503, now seen corresponding path program 1 times [2022-10-16 16:01:57,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:57,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241165781] [2022-10-16 16:01:57,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:57,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:57,242 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 16:01:57,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:57,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241165781] [2022-10-16 16:01:57,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241165781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:57,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:57,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:57,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28698955] [2022-10-16 16:01:57,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:57,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:57,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:57,246 INFO L87 Difference]: Start difference. First operand 1352 states and 2064 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 16:01:57,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:57,537 INFO L93 Difference]: Finished difference Result 3552 states and 5424 transitions. [2022-10-16 16:01:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:57,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2022-10-16 16:01:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:57,551 INFO L225 Difference]: With dead ends: 3552 [2022-10-16 16:01:57,551 INFO L226 Difference]: Without dead ends: 2224 [2022-10-16 16:01:57,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:01:57,555 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 100 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:57,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 325 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:57,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2022-10-16 16:01:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2216. [2022-10-16 16:01:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2208 states have (on average 1.5217391304347827) internal successors, (3360), 2215 states have internal predecessors, (3360), 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 16:01:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3360 transitions. [2022-10-16 16:01:57,847 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3360 transitions. Word has length 46 [2022-10-16 16:01:57,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:57,847 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3360 transitions. [2022-10-16 16:01:57,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 16:01:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3360 transitions. [2022-10-16 16:01:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:01:57,849 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:57,850 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:57,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:01:57,850 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:57,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:57,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2015527344, now seen corresponding path program 1 times [2022-10-16 16:01:57,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:57,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832101936] [2022-10-16 16:01:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:57,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:01:57,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:57,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832101936] [2022-10-16 16:01:57,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832101936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:57,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:57,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:57,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499686913] [2022-10-16 16:01:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:57,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:01:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:01:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:01:57,945 INFO L87 Difference]: Start difference. First operand 2216 states and 3360 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 16:01:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:58,481 INFO L93 Difference]: Finished difference Result 6336 states and 9600 transitions. [2022-10-16 16:01:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:01:58,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 16:01:58,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:58,505 INFO L225 Difference]: With dead ends: 6336 [2022-10-16 16:01:58,505 INFO L226 Difference]: Without dead ends: 4144 [2022-10-16 16:01:58,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:01:58,515 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 79 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:58,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 289 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:01:58,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2022-10-16 16:01:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 4136. [2022-10-16 16:01:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 4128 states have (on average 1.505813953488372) internal successors, (6216), 4135 states have internal predecessors, (6216), 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 16:01:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 6216 transitions. [2022-10-16 16:01:58,977 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 6216 transitions. Word has length 66 [2022-10-16 16:01:58,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:01:58,978 INFO L495 AbstractCegarLoop]: Abstraction has 4136 states and 6216 transitions. [2022-10-16 16:01:58,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 16:01:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 6216 transitions. [2022-10-16 16:01:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:01:58,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:01:58,980 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:01:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:01:58,981 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:01:58,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:01:58,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1606650105, now seen corresponding path program 1 times [2022-10-16 16:01:58,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:01:58,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070065029] [2022-10-16 16:01:58,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:01:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:01:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:01:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:01:59,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:01:59,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070065029] [2022-10-16 16:01:59,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070065029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:01:59,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:01:59,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:01:59,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728496229] [2022-10-16 16:01:59,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:01:59,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:01:59,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:01:59,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:01:59,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:01:59,153 INFO L87 Difference]: Start difference. First operand 4136 states and 6216 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 16:01:59,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:01:59,785 INFO L93 Difference]: Finished difference Result 5512 states and 8312 transitions. [2022-10-16 16:01:59,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:01:59,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 16:01:59,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:01:59,815 INFO L225 Difference]: With dead ends: 5512 [2022-10-16 16:01:59,816 INFO L226 Difference]: Without dead ends: 5510 [2022-10-16 16:01:59,818 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 16:01:59,818 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 183 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:01:59,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 436 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:01:59,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5510 states. [2022-10-16 16:02:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5510 to 4820. [2022-10-16 16:02:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4812 states have (on average 1.5062344139650872) internal successors, (7248), 4819 states have internal predecessors, (7248), 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 16:02:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 7248 transitions. [2022-10-16 16:02:00,389 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 7248 transitions. Word has length 68 [2022-10-16 16:02:00,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:00,390 INFO L495 AbstractCegarLoop]: Abstraction has 4820 states and 7248 transitions. [2022-10-16 16:02:00,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 16:02:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 7248 transitions. [2022-10-16 16:02:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:02:00,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:00,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:00,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:02:00,393 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:00,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:00,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1717135700, now seen corresponding path program 1 times [2022-10-16 16:02:00,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:00,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154583666] [2022-10-16 16:02:00,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:02:00,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:00,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154583666] [2022-10-16 16:02:00,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154583666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:00,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:00,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:00,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156247607] [2022-10-16 16:02:00,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:00,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:02:00,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:00,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:02:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:02:00,461 INFO L87 Difference]: Start difference. First operand 4820 states and 7248 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:01,336 INFO L93 Difference]: Finished difference Result 13796 states and 20688 transitions. [2022-10-16 16:02:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:02:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:01,384 INFO L225 Difference]: With dead ends: 13796 [2022-10-16 16:02:01,384 INFO L226 Difference]: Without dead ends: 9000 [2022-10-16 16:02:01,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:02:01,394 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 76 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:01,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 270 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:01,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-16 16:02:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8992. [2022-10-16 16:02:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8992 states, 8984 states have (on average 1.4861976847729297) internal successors, (13352), 8991 states have internal predecessors, (13352), 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 16:02:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8992 states to 8992 states and 13352 transitions. [2022-10-16 16:02:02,464 INFO L78 Accepts]: Start accepts. Automaton has 8992 states and 13352 transitions. Word has length 68 [2022-10-16 16:02:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:02,465 INFO L495 AbstractCegarLoop]: Abstraction has 8992 states and 13352 transitions. [2022-10-16 16:02:02,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 8992 states and 13352 transitions. [2022-10-16 16:02:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:02:02,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:02,469 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:02,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:02:02,469 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:02,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:02,470 INFO L85 PathProgramCache]: Analyzing trace with hash 727341767, now seen corresponding path program 1 times [2022-10-16 16:02:02,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:02,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915576623] [2022-10-16 16:02:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:02,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:02:02,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:02,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915576623] [2022-10-16 16:02:02,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915576623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:02,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:02,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:02,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824250520] [2022-10-16 16:02:02,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:02,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:02:02,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:02,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:02:02,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:02:02,542 INFO L87 Difference]: Start difference. First operand 8992 states and 13352 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:04,255 INFO L93 Difference]: Finished difference Result 25696 states and 37992 transitions. [2022-10-16 16:02:04,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:02:04,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:04,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:04,304 INFO L225 Difference]: With dead ends: 25696 [2022-10-16 16:02:04,304 INFO L226 Difference]: Without dead ends: 16436 [2022-10-16 16:02:04,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:02:04,325 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 80 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:04,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:02:04,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16436 states. [2022-10-16 16:02:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16436 to 16428. [2022-10-16 16:02:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16428 states, 16420 states have (on average 1.4647990255785628) internal successors, (24052), 16427 states have internal predecessors, (24052), 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 16:02:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16428 states to 16428 states and 24052 transitions. [2022-10-16 16:02:05,952 INFO L78 Accepts]: Start accepts. Automaton has 16428 states and 24052 transitions. Word has length 68 [2022-10-16 16:02:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:05,952 INFO L495 AbstractCegarLoop]: Abstraction has 16428 states and 24052 transitions. [2022-10-16 16:02:05,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 16:02:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 16428 states and 24052 transitions. [2022-10-16 16:02:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:02:05,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:05,956 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:05,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:02:05,957 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:05,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1142697205, now seen corresponding path program 1 times [2022-10-16 16:02:05,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:05,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461859775] [2022-10-16 16:02:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:06,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:06,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461859775] [2022-10-16 16:02:06,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461859775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:06,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:06,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:06,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165770338] [2022-10-16 16:02:06,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:06,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:02:06,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:06,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:02:06,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:02:06,132 INFO L87 Difference]: Start difference. First operand 16428 states and 24052 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 16:02:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:07,851 INFO L93 Difference]: Finished difference Result 23590 states and 34772 transitions. [2022-10-16 16:02:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:02:07,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 16:02:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:07,917 INFO L225 Difference]: With dead ends: 23590 [2022-10-16 16:02:07,917 INFO L226 Difference]: Without dead ends: 23588 [2022-10-16 16:02:07,925 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 16:02:07,926 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 178 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:07,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 444 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:07,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23588 states. [2022-10-16 16:02:09,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23588 to 22396. [2022-10-16 16:02:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22396 states, 22388 states have (on average 1.4681079149544398) internal successors, (32868), 22395 states have internal predecessors, (32868), 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 16:02:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22396 states to 22396 states and 32868 transitions. [2022-10-16 16:02:09,919 INFO L78 Accepts]: Start accepts. Automaton has 22396 states and 32868 transitions. Word has length 70 [2022-10-16 16:02:09,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:09,919 INFO L495 AbstractCegarLoop]: Abstraction has 22396 states and 32868 transitions. [2022-10-16 16:02:09,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 16:02:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22396 states and 32868 transitions. [2022-10-16 16:02:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:02:09,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:09,925 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:09,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:02:09,925 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:09,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2097496635, now seen corresponding path program 1 times [2022-10-16 16:02:09,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:09,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313458299] [2022-10-16 16:02:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:02:10,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:10,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313458299] [2022-10-16 16:02:10,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313458299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:10,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:10,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138054135] [2022-10-16 16:02:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:10,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:10,102 INFO L87 Difference]: Start difference. First operand 22396 states and 32868 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 16:02:12,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:12,143 INFO L93 Difference]: Finished difference Result 41482 states and 61028 transitions. [2022-10-16 16:02:12,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:12,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 70 [2022-10-16 16:02:12,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:12,207 INFO L225 Difference]: With dead ends: 41482 [2022-10-16 16:02:12,207 INFO L226 Difference]: Without dead ends: 26878 [2022-10-16 16:02:12,229 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 16:02:12,230 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 401 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:12,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 593 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:12,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26878 states. [2022-10-16 16:02:14,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26878 to 26872. [2022-10-16 16:02:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26872 states, 26864 states have (on average 1.4490768314472902) internal successors, (38928), 26871 states have internal predecessors, (38928), 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 16:02:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26872 states to 26872 states and 38928 transitions. [2022-10-16 16:02:14,716 INFO L78 Accepts]: Start accepts. Automaton has 26872 states and 38928 transitions. Word has length 70 [2022-10-16 16:02:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:14,717 INFO L495 AbstractCegarLoop]: Abstraction has 26872 states and 38928 transitions. [2022-10-16 16:02:14,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 16:02:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 26872 states and 38928 transitions. [2022-10-16 16:02:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:02:14,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:14,722 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:14,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:02:14,722 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash 208092862, now seen corresponding path program 1 times [2022-10-16 16:02:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:14,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274257081] [2022-10-16 16:02:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:02:14,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:14,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274257081] [2022-10-16 16:02:14,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274257081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:14,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:14,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:14,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692184462] [2022-10-16 16:02:14,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:14,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:14,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:14,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:14,853 INFO L87 Difference]: Start difference. First operand 26872 states and 38928 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 16:02:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:17,193 INFO L93 Difference]: Finished difference Result 48340 states and 70704 transitions. [2022-10-16 16:02:17,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:02:17,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 70 [2022-10-16 16:02:17,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:17,245 INFO L225 Difference]: With dead ends: 48340 [2022-10-16 16:02:17,245 INFO L226 Difference]: Without dead ends: 27176 [2022-10-16 16:02:17,283 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 16:02:17,283 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 399 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:17,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 566 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27176 states. [2022-10-16 16:02:19,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27176 to 27172. [2022-10-16 16:02:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27172 states, 27164 states have (on average 1.4432336916507142) internal successors, (39204), 27171 states have internal predecessors, (39204), 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 16:02:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27172 states to 27172 states and 39204 transitions. [2022-10-16 16:02:19,722 INFO L78 Accepts]: Start accepts. Automaton has 27172 states and 39204 transitions. Word has length 70 [2022-10-16 16:02:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:19,722 INFO L495 AbstractCegarLoop]: Abstraction has 27172 states and 39204 transitions. [2022-10-16 16:02:19,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 16:02:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27172 states and 39204 transitions. [2022-10-16 16:02:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:02:19,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:19,726 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:19,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:02:19,726 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:19,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:19,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1063874831, now seen corresponding path program 1 times [2022-10-16 16:02:19,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:19,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878936322] [2022-10-16 16:02:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:19,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:19,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878936322] [2022-10-16 16:02:19,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878936322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:19,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:19,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:19,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7447378] [2022-10-16 16:02:19,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:19,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:02:19,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:19,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:02:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:02:19,846 INFO L87 Difference]: Start difference. First operand 27172 states and 39204 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 16:02:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:22,099 INFO L93 Difference]: Finished difference Result 27176 states and 39204 transitions. [2022-10-16 16:02:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:02:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 71 [2022-10-16 16:02:22,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:22,149 INFO L225 Difference]: With dead ends: 27176 [2022-10-16 16:02:22,149 INFO L226 Difference]: Without dead ends: 27174 [2022-10-16 16:02:22,160 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 16:02:22,161 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 184 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:22,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 331 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27174 states. [2022-10-16 16:02:23,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27174 to 24218. [2022-10-16 16:02:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24218 states, 24212 states have (on average 1.4206178754336694) internal successors, (34396), 24217 states have internal predecessors, (34396), 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 16:02:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24218 states to 24218 states and 34396 transitions. [2022-10-16 16:02:24,209 INFO L78 Accepts]: Start accepts. Automaton has 24218 states and 34396 transitions. Word has length 71 [2022-10-16 16:02:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:24,209 INFO L495 AbstractCegarLoop]: Abstraction has 24218 states and 34396 transitions. [2022-10-16 16:02:24,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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 16:02:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 24218 states and 34396 transitions. [2022-10-16 16:02:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:02:24,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:24,213 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:24,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:02:24,214 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:24,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash 597886405, now seen corresponding path program 1 times [2022-10-16 16:02:24,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:24,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016485060] [2022-10-16 16:02:24,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:02:24,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:24,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016485060] [2022-10-16 16:02:24,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016485060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:24,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:24,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:24,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254218836] [2022-10-16 16:02:24,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:24,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:24,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:24,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:24,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:24,335 INFO L87 Difference]: Start difference. First operand 24218 states and 34396 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 16:02:27,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:27,143 INFO L93 Difference]: Finished difference Result 40318 states and 58036 transitions. [2022-10-16 16:02:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:27,144 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 71 [2022-10-16 16:02:27,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:27,202 INFO L225 Difference]: With dead ends: 40318 [2022-10-16 16:02:27,202 INFO L226 Difference]: Without dead ends: 39136 [2022-10-16 16:02:27,217 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 16:02:27,218 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 412 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:27,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 430 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:02:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39136 states. [2022-10-16 16:02:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39136 to 24554. [2022-10-16 16:02:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24554 states, 24548 states have (on average 1.436206615610233) internal successors, (35256), 24553 states have internal predecessors, (35256), 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 16:02:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24554 states to 24554 states and 35256 transitions. [2022-10-16 16:02:29,369 INFO L78 Accepts]: Start accepts. Automaton has 24554 states and 35256 transitions. Word has length 71 [2022-10-16 16:02:29,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:29,369 INFO L495 AbstractCegarLoop]: Abstraction has 24554 states and 35256 transitions. [2022-10-16 16:02:29,370 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 16:02:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24554 states and 35256 transitions. [2022-10-16 16:02:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:02:29,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:29,372 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:29,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:02:29,373 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:29,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1379618765, now seen corresponding path program 1 times [2022-10-16 16:02:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:29,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74504995] [2022-10-16 16:02:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:29,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:29,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74504995] [2022-10-16 16:02:29,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74504995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:29,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:29,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:29,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239716588] [2022-10-16 16:02:29,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:29,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:29,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:29,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:29,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:29,531 INFO L87 Difference]: Start difference. First operand 24554 states and 35256 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 16:02:31,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:31,906 INFO L93 Difference]: Finished difference Result 46966 states and 68076 transitions. [2022-10-16 16:02:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:31,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 72 [2022-10-16 16:02:31,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:31,963 INFO L225 Difference]: With dead ends: 46966 [2022-10-16 16:02:31,963 INFO L226 Difference]: Without dead ends: 29328 [2022-10-16 16:02:31,988 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 16:02:31,988 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 394 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:31,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 620 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29328 states. [2022-10-16 16:02:34,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29328 to 29030. [2022-10-16 16:02:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29030 states, 29024 states have (on average 1.4235115766262403) internal successors, (41316), 29029 states have internal predecessors, (41316), 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 16:02:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29030 states to 29030 states and 41316 transitions. [2022-10-16 16:02:34,722 INFO L78 Accepts]: Start accepts. Automaton has 29030 states and 41316 transitions. Word has length 72 [2022-10-16 16:02:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:34,723 INFO L495 AbstractCegarLoop]: Abstraction has 29030 states and 41316 transitions. [2022-10-16 16:02:34,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 16:02:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29030 states and 41316 transitions. [2022-10-16 16:02:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:02:34,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:34,726 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:34,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:02:34,728 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:34,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:34,728 INFO L85 PathProgramCache]: Analyzing trace with hash -181491085, now seen corresponding path program 1 times [2022-10-16 16:02:34,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:34,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273266769] [2022-10-16 16:02:34,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:34,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273266769] [2022-10-16 16:02:34,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273266769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:34,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:34,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543055267] [2022-10-16 16:02:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:34,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:34,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:34,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:34,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:34,851 INFO L87 Difference]: Start difference. First operand 29030 states and 41316 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 16:02:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:39,204 INFO L93 Difference]: Finished difference Result 43050 states and 61928 transitions. [2022-10-16 16:02:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 73 [2022-10-16 16:02:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:39,270 INFO L225 Difference]: With dead ends: 43050 [2022-10-16 16:02:39,271 INFO L226 Difference]: Without dead ends: 41868 [2022-10-16 16:02:39,280 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 16:02:39,281 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 404 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:39,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 447 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41868 states. [2022-10-16 16:02:41,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41868 to 25778. [2022-10-16 16:02:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25778 states, 25772 states have (on average 1.432872885301878) internal successors, (36928), 25777 states have internal predecessors, (36928), 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 16:02:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25778 states to 25778 states and 36928 transitions. [2022-10-16 16:02:41,758 INFO L78 Accepts]: Start accepts. Automaton has 25778 states and 36928 transitions. Word has length 73 [2022-10-16 16:02:41,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:41,759 INFO L495 AbstractCegarLoop]: Abstraction has 25778 states and 36928 transitions. [2022-10-16 16:02:41,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 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 16:02:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 25778 states and 36928 transitions. [2022-10-16 16:02:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:02:41,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:41,762 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:41,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:02:41,763 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash -877579080, now seen corresponding path program 1 times [2022-10-16 16:02:41,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:41,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539422842] [2022-10-16 16:02:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:41,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:41,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:41,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539422842] [2022-10-16 16:02:41,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539422842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:41,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:41,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:02:41,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922701395] [2022-10-16 16:02:41,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:41,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:02:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:41,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:02:41,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:02:41,881 INFO L87 Difference]: Start difference. First operand 25778 states and 36928 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 16:02:45,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:45,576 INFO L93 Difference]: Finished difference Result 37134 states and 53736 transitions. [2022-10-16 16:02:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:02:45,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 75 [2022-10-16 16:02:45,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:45,745 INFO L225 Difference]: With dead ends: 37134 [2022-10-16 16:02:45,745 INFO L226 Difference]: Without dead ends: 37132 [2022-10-16 16:02:45,754 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 16:02:45,755 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 228 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:45,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 523 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37132 states. [2022-10-16 16:02:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37132 to 32062. [2022-10-16 16:02:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32062 states, 32056 states have (on average 1.4333666084352383) internal successors, (45948), 32061 states have internal predecessors, (45948), 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 16:02:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32062 states to 32062 states and 45948 transitions. [2022-10-16 16:02:48,764 INFO L78 Accepts]: Start accepts. Automaton has 32062 states and 45948 transitions. Word has length 75 [2022-10-16 16:02:48,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:48,764 INFO L495 AbstractCegarLoop]: Abstraction has 32062 states and 45948 transitions. [2022-10-16 16:02:48,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 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 16:02:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32062 states and 45948 transitions. [2022-10-16 16:02:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:02:48,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:48,768 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:48,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:02:48,768 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1918097613, now seen corresponding path program 1 times [2022-10-16 16:02:48,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:48,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106783540] [2022-10-16 16:02:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:02:48,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:48,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106783540] [2022-10-16 16:02:48,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106783540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:48,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:48,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25806690] [2022-10-16 16:02:48,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:48,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:48,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:48,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:48,894 INFO L87 Difference]: Start difference. First operand 32062 states and 45948 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 16:02:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:02:52,850 INFO L93 Difference]: Finished difference Result 35930 states and 51336 transitions. [2022-10-16 16:02:52,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:02:52,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 75 [2022-10-16 16:02:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:02:52,898 INFO L225 Difference]: With dead ends: 35930 [2022-10-16 16:02:52,899 INFO L226 Difference]: Without dead ends: 34148 [2022-10-16 16:02:52,910 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 16:02:52,911 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 286 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:02:52,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 618 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:02:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34148 states. [2022-10-16 16:02:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34148 to 33558. [2022-10-16 16:02:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33558 states, 33552 states have (on average 1.4271578445398188) internal successors, (47884), 33557 states have internal predecessors, (47884), 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 16:02:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33558 states to 33558 states and 47884 transitions. [2022-10-16 16:02:56,259 INFO L78 Accepts]: Start accepts. Automaton has 33558 states and 47884 transitions. Word has length 75 [2022-10-16 16:02:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:02:56,260 INFO L495 AbstractCegarLoop]: Abstraction has 33558 states and 47884 transitions. [2022-10-16 16:02:56,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 16:02:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 33558 states and 47884 transitions. [2022-10-16 16:02:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:02:56,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:02:56,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:02:56,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:02:56,264 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:02:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:02:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1539900870, now seen corresponding path program 1 times [2022-10-16 16:02:56,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:02:56,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374500999] [2022-10-16 16:02:56,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:02:56,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:02:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:02:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:02:56,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:02:56,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374500999] [2022-10-16 16:02:56,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374500999] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:02:56,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:02:56,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:02:56,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636885524] [2022-10-16 16:02:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:02:56,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:02:56,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:02:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:02:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:02:56,399 INFO L87 Difference]: Start difference. First operand 33558 states and 47884 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 16:03:00,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:00,684 INFO L93 Difference]: Finished difference Result 45504 states and 65324 transitions. [2022-10-16 16:03:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:00,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 77 [2022-10-16 16:03:00,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:00,751 INFO L225 Difference]: With dead ends: 45504 [2022-10-16 16:03:00,751 INFO L226 Difference]: Without dead ends: 45210 [2022-10-16 16:03:00,763 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 16:03:00,764 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 291 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:00,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 629 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45210 states. [2022-10-16 16:03:04,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45210 to 42834. [2022-10-16 16:03:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42834 states, 42828 states have (on average 1.4248622396562995) internal successors, (61024), 42833 states have internal predecessors, (61024), 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 16:03:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42834 states to 42834 states and 61024 transitions. [2022-10-16 16:03:05,063 INFO L78 Accepts]: Start accepts. Automaton has 42834 states and 61024 transitions. Word has length 77 [2022-10-16 16:03:05,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:05,063 INFO L495 AbstractCegarLoop]: Abstraction has 42834 states and 61024 transitions. [2022-10-16 16:03:05,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 16:03:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 42834 states and 61024 transitions. [2022-10-16 16:03:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:03:05,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:05,067 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:05,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:03:05,068 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:05,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:05,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2057337439, now seen corresponding path program 1 times [2022-10-16 16:03:05,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:05,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368031505] [2022-10-16 16:03:05,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:05,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:03:05,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:05,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368031505] [2022-10-16 16:03:05,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368031505] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:05,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:05,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:05,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992658432] [2022-10-16 16:03:05,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:05,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:05,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:05,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:05,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:05,213 INFO L87 Difference]: Start difference. First operand 42834 states and 61024 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 16:03:10,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:10,140 INFO L93 Difference]: Finished difference Result 48806 states and 69456 transitions. [2022-10-16 16:03:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:10,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 77 [2022-10-16 16:03:10,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:10,204 INFO L225 Difference]: With dead ends: 48806 [2022-10-16 16:03:10,204 INFO L226 Difference]: Without dead ends: 47024 [2022-10-16 16:03:10,216 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 16:03:10,217 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 270 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:10,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 731 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47024 states. [2022-10-16 16:03:14,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47024 to 45542. [2022-10-16 16:03:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45542 states, 45536 states have (on average 1.4220836261419536) internal successors, (64756), 45541 states have internal predecessors, (64756), 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 16:03:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45542 states to 45542 states and 64756 transitions. [2022-10-16 16:03:14,555 INFO L78 Accepts]: Start accepts. Automaton has 45542 states and 64756 transitions. Word has length 77 [2022-10-16 16:03:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:14,555 INFO L495 AbstractCegarLoop]: Abstraction has 45542 states and 64756 transitions. [2022-10-16 16:03:14,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 16:03:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 45542 states and 64756 transitions. [2022-10-16 16:03:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:03:14,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:14,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:14,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:03:14,559 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:14,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash -492286554, now seen corresponding path program 1 times [2022-10-16 16:03:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:14,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820089553] [2022-10-16 16:03:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:14,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:03:14,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:14,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820089553] [2022-10-16 16:03:14,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820089553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:14,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:14,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:14,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276579414] [2022-10-16 16:03:14,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:14,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:14,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:14,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:14,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:14,690 INFO L87 Difference]: Start difference. First operand 45542 states and 64756 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 16:03:19,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:19,088 INFO L93 Difference]: Finished difference Result 57873 states and 81952 transitions. [2022-10-16 16:03:19,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:19,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 78 [2022-10-16 16:03:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:19,140 INFO L225 Difference]: With dead ends: 57873 [2022-10-16 16:03:19,141 INFO L226 Difference]: Without dead ends: 36523 [2022-10-16 16:03:19,158 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 16:03:19,159 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 290 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:19,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 508 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36523 states. [2022-10-16 16:03:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36523 to 26390. [2022-10-16 16:03:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26390 states, 26384 states have (on average 1.410248635536689) internal successors, (37208), 26389 states have internal predecessors, (37208), 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 16:03:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26390 states to 26390 states and 37208 transitions. [2022-10-16 16:03:22,408 INFO L78 Accepts]: Start accepts. Automaton has 26390 states and 37208 transitions. Word has length 78 [2022-10-16 16:03:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:22,409 INFO L495 AbstractCegarLoop]: Abstraction has 26390 states and 37208 transitions. [2022-10-16 16:03:22,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 16:03:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 26390 states and 37208 transitions. [2022-10-16 16:03:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:03:22,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:22,413 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:22,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:03:22,416 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1242469150, now seen corresponding path program 1 times [2022-10-16 16:03:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:22,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356555945] [2022-10-16 16:03:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:03:22,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:22,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356555945] [2022-10-16 16:03:22,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356555945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:22,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:22,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:22,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808403079] [2022-10-16 16:03:22,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:22,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:22,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:22,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:22,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:22,536 INFO L87 Difference]: Start difference. First operand 26390 states and 37208 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 16:03:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:26,261 INFO L93 Difference]: Finished difference Result 28982 states and 40732 transitions. [2022-10-16 16:03:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:26,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 82 [2022-10-16 16:03:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:26,299 INFO L225 Difference]: With dead ends: 28982 [2022-10-16 16:03:26,299 INFO L226 Difference]: Without dead ends: 25973 [2022-10-16 16:03:26,312 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 16:03:26,313 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 301 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:26,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 783 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:26,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25973 states. [2022-10-16 16:03:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25973 to 25382. [2022-10-16 16:03:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25382 states, 25376 states have (on average 1.4123581336696092) internal successors, (35840), 25381 states have internal predecessors, (35840), 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 16:03:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25382 states to 25382 states and 35840 transitions. [2022-10-16 16:03:29,418 INFO L78 Accepts]: Start accepts. Automaton has 25382 states and 35840 transitions. Word has length 82 [2022-10-16 16:03:29,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:29,418 INFO L495 AbstractCegarLoop]: Abstraction has 25382 states and 35840 transitions. [2022-10-16 16:03:29,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 16:03:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 25382 states and 35840 transitions. [2022-10-16 16:03:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 16:03:29,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:29,424 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:29,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:03:29,425 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:29,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1071759475, now seen corresponding path program 1 times [2022-10-16 16:03:29,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:29,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820731967] [2022-10-16 16:03:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:29,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:03:29,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:29,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820731967] [2022-10-16 16:03:29,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820731967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:29,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:29,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:29,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779727867] [2022-10-16 16:03:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:29,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:29,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:29,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:29,517 INFO L87 Difference]: Start difference. First operand 25382 states and 35840 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:03:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:32,042 INFO L93 Difference]: Finished difference Result 27490 states and 38659 transitions. [2022-10-16 16:03:32,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:32,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 101 [2022-10-16 16:03:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:32,065 INFO L225 Difference]: With dead ends: 27490 [2022-10-16 16:03:32,065 INFO L226 Difference]: Without dead ends: 17872 [2022-10-16 16:03:32,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:03:32,075 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 58 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:32,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 285 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17872 states. [2022-10-16 16:03:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17872 to 17861. [2022-10-16 16:03:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17861 states, 17855 states have (on average 1.3920470456454774) internal successors, (24855), 17860 states have internal predecessors, (24855), 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 16:03:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17861 states to 17861 states and 24855 transitions. [2022-10-16 16:03:34,441 INFO L78 Accepts]: Start accepts. Automaton has 17861 states and 24855 transitions. Word has length 101 [2022-10-16 16:03:34,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:34,441 INFO L495 AbstractCegarLoop]: Abstraction has 17861 states and 24855 transitions. [2022-10-16 16:03:34,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 16:03:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 17861 states and 24855 transitions. [2022-10-16 16:03:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 16:03:34,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:34,447 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:34,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:03:34,448 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:34,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -623393488, now seen corresponding path program 1 times [2022-10-16 16:03:34,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:34,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217406189] [2022-10-16 16:03:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 16:03:34,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:34,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217406189] [2022-10-16 16:03:34,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217406189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:34,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:34,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:34,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56556130] [2022-10-16 16:03:34,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:34,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:34,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:34,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:34,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:34,535 INFO L87 Difference]: Start difference. First operand 17861 states and 24855 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 16:03:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:36,082 INFO L93 Difference]: Finished difference Result 19699 states and 27392 transitions. [2022-10-16 16:03:36,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:36,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 101 [2022-10-16 16:03:36,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:36,100 INFO L225 Difference]: With dead ends: 19699 [2022-10-16 16:03:36,100 INFO L226 Difference]: Without dead ends: 11741 [2022-10-16 16:03:36,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:03:36,110 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 64 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:36,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:36,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11741 states. [2022-10-16 16:03:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11741 to 11709. [2022-10-16 16:03:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11709 states, 11703 states have (on average 1.379304451849953) internal successors, (16142), 11708 states have internal predecessors, (16142), 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 16:03:37,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11709 states to 11709 states and 16142 transitions. [2022-10-16 16:03:37,497 INFO L78 Accepts]: Start accepts. Automaton has 11709 states and 16142 transitions. Word has length 101 [2022-10-16 16:03:37,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:37,498 INFO L495 AbstractCegarLoop]: Abstraction has 11709 states and 16142 transitions. [2022-10-16 16:03:37,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 16:03:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 11709 states and 16142 transitions. [2022-10-16 16:03:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:03:37,503 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:37,503 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:37,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:03:37,503 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:37,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:37,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1975076772, now seen corresponding path program 2 times [2022-10-16 16:03:37,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:37,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383341995] [2022-10-16 16:03:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:37,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:03:37,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:37,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383341995] [2022-10-16 16:03:37,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383341995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:37,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:37,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:37,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491704769] [2022-10-16 16:03:37,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:37,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:37,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:37,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:37,622 INFO L87 Difference]: Start difference. First operand 11709 states and 16142 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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 16:03:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:39,268 INFO L93 Difference]: Finished difference Result 12221 states and 16814 transitions. [2022-10-16 16:03:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:03:39,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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 103 [2022-10-16 16:03:39,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:39,281 INFO L225 Difference]: With dead ends: 12221 [2022-10-16 16:03:39,282 INFO L226 Difference]: Without dead ends: 12219 [2022-10-16 16:03:39,284 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 16:03:39,285 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 165 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:39,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 504 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12219 states. [2022-10-16 16:03:40,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12219 to 11707. [2022-10-16 16:03:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11707 states, 11703 states have (on average 1.357429718875502) internal successors, (15886), 11706 states have internal predecessors, (15886), 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 16:03:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11707 states to 11707 states and 15886 transitions. [2022-10-16 16:03:40,636 INFO L78 Accepts]: Start accepts. Automaton has 11707 states and 15886 transitions. Word has length 103 [2022-10-16 16:03:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:40,636 INFO L495 AbstractCegarLoop]: Abstraction has 11707 states and 15886 transitions. [2022-10-16 16:03:40,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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 16:03:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 11707 states and 15886 transitions. [2022-10-16 16:03:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:03:40,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:40,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:40,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:03:40,644 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:40,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:40,644 INFO L85 PathProgramCache]: Analyzing trace with hash -763362151, now seen corresponding path program 2 times [2022-10-16 16:03:40,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:40,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832115647] [2022-10-16 16:03:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:03:40,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:40,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832115647] [2022-10-16 16:03:40,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832115647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:40,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:40,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058354362] [2022-10-16 16:03:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:40,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:40,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:40,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:40,787 INFO L87 Difference]: Start difference. First operand 11707 states and 15886 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 16:03:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:42,262 INFO L93 Difference]: Finished difference Result 12013 states and 16290 transitions. [2022-10-16 16:03:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:42,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 103 [2022-10-16 16:03:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:42,279 INFO L225 Difference]: With dead ends: 12013 [2022-10-16 16:03:42,279 INFO L226 Difference]: Without dead ends: 11111 [2022-10-16 16:03:42,282 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 16:03:42,283 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 226 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:42,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 684 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11111 states. [2022-10-16 16:03:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11111 to 10503. [2022-10-16 16:03:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10503 states, 10499 states have (on average 1.359081817315935) internal successors, (14269), 10502 states have internal predecessors, (14269), 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 16:03:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10503 states to 10503 states and 14269 transitions. [2022-10-16 16:03:43,487 INFO L78 Accepts]: Start accepts. Automaton has 10503 states and 14269 transitions. Word has length 103 [2022-10-16 16:03:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:43,487 INFO L495 AbstractCegarLoop]: Abstraction has 10503 states and 14269 transitions. [2022-10-16 16:03:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 16:03:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 10503 states and 14269 transitions. [2022-10-16 16:03:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:03:43,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:43,492 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:43,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:03:43,492 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash -326761946, now seen corresponding path program 2 times [2022-10-16 16:03:43,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:43,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697753908] [2022-10-16 16:03:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:03:43,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:43,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697753908] [2022-10-16 16:03:43,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697753908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:43,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:43,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:43,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173715865] [2022-10-16 16:03:43,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:43,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:43,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:43,697 INFO L87 Difference]: Start difference. First operand 10503 states and 14269 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 16:03:44,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:44,840 INFO L93 Difference]: Finished difference Result 10507 states and 14269 transitions. [2022-10-16 16:03:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:44,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 105 [2022-10-16 16:03:44,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:44,853 INFO L225 Difference]: With dead ends: 10507 [2022-10-16 16:03:44,853 INFO L226 Difference]: Without dead ends: 10209 [2022-10-16 16:03:44,856 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 16:03:44,857 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 235 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:44,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 565 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10209 states. [2022-10-16 16:03:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10209 to 10207. [2022-10-16 16:03:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10207 states, 10203 states have (on average 1.345976673527394) internal successors, (13733), 10206 states have internal predecessors, (13733), 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 16:03:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10207 states to 10207 states and 13733 transitions. [2022-10-16 16:03:46,020 INFO L78 Accepts]: Start accepts. Automaton has 10207 states and 13733 transitions. Word has length 105 [2022-10-16 16:03:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:46,021 INFO L495 AbstractCegarLoop]: Abstraction has 10207 states and 13733 transitions. [2022-10-16 16:03:46,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 16:03:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10207 states and 13733 transitions. [2022-10-16 16:03:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:03:46,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:46,025 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:46,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:03:46,025 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:46,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash -40486503, now seen corresponding path program 2 times [2022-10-16 16:03:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:46,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335486627] [2022-10-16 16:03:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:03:46,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:46,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335486627] [2022-10-16 16:03:46,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335486627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:46,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:46,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732085628] [2022-10-16 16:03:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:46,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:46,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:46,168 INFO L87 Difference]: Start difference. First operand 10207 states and 13733 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 16:03:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:47,424 INFO L93 Difference]: Finished difference Result 10813 states and 14541 transitions. [2022-10-16 16:03:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:47,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 105 [2022-10-16 16:03:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:47,439 INFO L225 Difference]: With dead ends: 10813 [2022-10-16 16:03:47,439 INFO L226 Difference]: Without dead ends: 9615 [2022-10-16 16:03:47,443 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 16:03:47,444 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 234 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:47,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 579 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2022-10-16 16:03:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 8407. [2022-10-16 16:03:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8407 states, 8403 states have (on average 1.3461858859930977) internal successors, (11312), 8406 states have internal predecessors, (11312), 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 16:03:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8407 states to 8407 states and 11312 transitions. [2022-10-16 16:03:48,403 INFO L78 Accepts]: Start accepts. Automaton has 8407 states and 11312 transitions. Word has length 105 [2022-10-16 16:03:48,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:48,403 INFO L495 AbstractCegarLoop]: Abstraction has 8407 states and 11312 transitions. [2022-10-16 16:03:48,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 16:03:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8407 states and 11312 transitions. [2022-10-16 16:03:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:03:48,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:48,407 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:48,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:03:48,408 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:48,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:48,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1539685574, now seen corresponding path program 2 times [2022-10-16 16:03:48,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:48,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104197490] [2022-10-16 16:03:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:03:48,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:48,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104197490] [2022-10-16 16:03:48,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104197490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:48,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:48,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756390983] [2022-10-16 16:03:48,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:48,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:48,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:48,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:48,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:48,556 INFO L87 Difference]: Start difference. First operand 8407 states and 11312 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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 16:03:49,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:49,457 INFO L93 Difference]: Finished difference Result 11775 states and 15840 transitions. [2022-10-16 16:03:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:49,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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 106 [2022-10-16 16:03:49,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:49,465 INFO L225 Difference]: With dead ends: 11775 [2022-10-16 16:03:49,465 INFO L226 Difference]: Without dead ends: 5801 [2022-10-16 16:03:49,470 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 16:03:49,472 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 210 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:49,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 588 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5801 states. [2022-10-16 16:03:49,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5801 to 3973. [2022-10-16 16:03:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3973 states, 3972 states have (on average 1.311178247734139) internal successors, (5208), 3972 states have internal predecessors, (5208), 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 16:03:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 5208 transitions. [2022-10-16 16:03:50,008 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 5208 transitions. Word has length 106 [2022-10-16 16:03:50,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:50,008 INFO L495 AbstractCegarLoop]: Abstraction has 3973 states and 5208 transitions. [2022-10-16 16:03:50,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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 16:03:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 5208 transitions. [2022-10-16 16:03:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:03:50,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:50,011 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:50,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:03:50,012 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:50,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:50,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1621689403, now seen corresponding path program 1 times [2022-10-16 16:03:50,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:50,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642531593] [2022-10-16 16:03:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:50,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 16:03:50,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:50,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642531593] [2022-10-16 16:03:50,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642531593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:50,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:50,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367543000] [2022-10-16 16:03:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:50,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:50,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:50,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:50,103 INFO L87 Difference]: Start difference. First operand 3973 states and 5208 transitions. Second operand has 3 states, 3 states have (on average 31.0) 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 16:03:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:50,460 INFO L93 Difference]: Finished difference Result 3977 states and 5211 transitions. [2022-10-16 16:03:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:50,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) 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 109 [2022-10-16 16:03:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:50,463 INFO L225 Difference]: With dead ends: 3977 [2022-10-16 16:03:50,463 INFO L226 Difference]: Without dead ends: 2620 [2022-10-16 16:03:50,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 16:03:50,465 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 33 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:50,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 127 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2022-10-16 16:03:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2617. [2022-10-16 16:03:50,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2616 states have (on average 1.3027522935779816) internal successors, (3408), 2616 states have internal predecessors, (3408), 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 16:03:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3408 transitions. [2022-10-16 16:03:50,794 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3408 transitions. Word has length 109 [2022-10-16 16:03:50,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:50,794 INFO L495 AbstractCegarLoop]: Abstraction has 2617 states and 3408 transitions. [2022-10-16 16:03:50,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) 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 16:03:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3408 transitions. [2022-10-16 16:03:50,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:03:50,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:50,796 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:50,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:03:50,797 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:50,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:50,797 INFO L85 PathProgramCache]: Analyzing trace with hash -93010130, now seen corresponding path program 1 times [2022-10-16 16:03:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:50,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825409735] [2022-10-16 16:03:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:50,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:03:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825409735] [2022-10-16 16:03:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825409735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:50,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:50,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615500561] [2022-10-16 16:03:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:50,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:50,940 INFO L87 Difference]: Start difference. First operand 2617 states and 3408 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 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 16:03:51,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:51,557 INFO L93 Difference]: Finished difference Result 3435 states and 4488 transitions. [2022-10-16 16:03:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:51,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 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 111 [2022-10-16 16:03:51,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:51,561 INFO L225 Difference]: With dead ends: 3435 [2022-10-16 16:03:51,561 INFO L226 Difference]: Without dead ends: 2570 [2022-10-16 16:03:51,562 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 16:03:51,562 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 178 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:51,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:51,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-10-16 16:03:51,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2569. [2022-10-16 16:03:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 1.3021806853582554) internal successors, (3344), 2568 states have internal predecessors, (3344), 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 16:03:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3344 transitions. [2022-10-16 16:03:51,913 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3344 transitions. Word has length 111 [2022-10-16 16:03:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:51,914 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 3344 transitions. [2022-10-16 16:03:51,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 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 16:03:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3344 transitions. [2022-10-16 16:03:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:03:51,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:51,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:51,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:03:51,916 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:51,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash 289645304, now seen corresponding path program 2 times [2022-10-16 16:03:51,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:51,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511548735] [2022-10-16 16:03:51,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:51,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:03:52,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:52,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511548735] [2022-10-16 16:03:52,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511548735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:52,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:52,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:52,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075097305] [2022-10-16 16:03:52,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:52,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:52,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:52,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:52,083 INFO L87 Difference]: Start difference. First operand 2569 states and 3344 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 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 16:03:52,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:52,787 INFO L93 Difference]: Finished difference Result 3643 states and 4760 transitions. [2022-10-16 16:03:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:52,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 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 111 [2022-10-16 16:03:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:52,791 INFO L225 Difference]: With dead ends: 3643 [2022-10-16 16:03:52,791 INFO L226 Difference]: Without dead ends: 2570 [2022-10-16 16:03:52,792 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 16:03:52,793 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 181 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:52,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 591 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:52,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-10-16 16:03:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2569. [2022-10-16 16:03:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 1.2975077881619939) internal successors, (3332), 2568 states have internal predecessors, (3332), 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 16:03:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3332 transitions. [2022-10-16 16:03:53,136 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3332 transitions. Word has length 111 [2022-10-16 16:03:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:53,136 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 3332 transitions. [2022-10-16 16:03:53,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 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 16:03:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3332 transitions. [2022-10-16 16:03:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:03:53,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:53,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:53,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:03:53,139 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:53,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1722508945, now seen corresponding path program 2 times [2022-10-16 16:03:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:53,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314339041] [2022-10-16 16:03:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 16:03:53,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:53,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314339041] [2022-10-16 16:03:53,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314339041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:53,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:53,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:53,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695013570] [2022-10-16 16:03:53,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:53,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:53,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:53,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:53,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:53,313 INFO L87 Difference]: Start difference. First operand 2569 states and 3332 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 16:03:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:53,812 INFO L93 Difference]: Finished difference Result 2827 states and 3664 transitions. [2022-10-16 16:03:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:53,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 112 [2022-10-16 16:03:53,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:53,815 INFO L225 Difference]: With dead ends: 2827 [2022-10-16 16:03:53,816 INFO L226 Difference]: Without dead ends: 2266 [2022-10-16 16:03:53,817 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 16:03:53,817 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 186 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:53,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 517 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:53,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2022-10-16 16:03:54,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2009. [2022-10-16 16:03:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 2008 states have (on average 1.2888446215139442) internal successors, (2588), 2008 states have internal predecessors, (2588), 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 16:03:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2588 transitions. [2022-10-16 16:03:54,068 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2588 transitions. Word has length 112 [2022-10-16 16:03:54,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:54,068 INFO L495 AbstractCegarLoop]: Abstraction has 2009 states and 2588 transitions. [2022-10-16 16:03:54,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 16:03:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2588 transitions. [2022-10-16 16:03:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:03:54,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:54,070 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:54,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:03:54,070 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:54,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:54,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1425900681, now seen corresponding path program 3 times [2022-10-16 16:03:54,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:54,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250976208] [2022-10-16 16:03:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:54,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:03:54,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:54,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250976208] [2022-10-16 16:03:54,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250976208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:54,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:54,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:54,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887111683] [2022-10-16 16:03:54,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:54,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:54,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:54,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:54,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:54,218 INFO L87 Difference]: Start difference. First operand 2009 states and 2588 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 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 16:03:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:54,627 INFO L93 Difference]: Finished difference Result 2010 states and 2588 transitions. [2022-10-16 16:03:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:54,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 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 112 [2022-10-16 16:03:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:54,629 INFO L225 Difference]: With dead ends: 2010 [2022-10-16 16:03:54,629 INFO L226 Difference]: Without dead ends: 1193 [2022-10-16 16:03:54,631 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 16:03:54,632 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 170 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:54,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 643 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-10-16 16:03:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2022-10-16 16:03:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1192 states have (on average 1.2818791946308725) internal successors, (1528), 1192 states have internal predecessors, (1528), 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 16:03:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1528 transitions. [2022-10-16 16:03:54,778 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1528 transitions. Word has length 112 [2022-10-16 16:03:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:54,779 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1528 transitions. [2022-10-16 16:03:54,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 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 16:03:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1528 transitions. [2022-10-16 16:03:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:03:54,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:54,780 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:54,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:03:54,781 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 16:03:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash 797292104, now seen corresponding path program 1 times [2022-10-16 16:03:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:54,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723219471] [2022-10-16 16:03:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 16:03:54,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:54,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723219471] [2022-10-16 16:03:54,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723219471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:54,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:54,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:54,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120788148] [2022-10-16 16:03:54,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:54,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:54,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:54,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:54,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:54,956 INFO L87 Difference]: Start difference. First operand 1193 states and 1528 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 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 16:03:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:55,230 INFO L93 Difference]: Finished difference Result 1193 states and 1528 transitions. [2022-10-16 16:03:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:55,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 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 138 [2022-10-16 16:03:55,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:55,231 INFO L225 Difference]: With dead ends: 1193 [2022-10-16 16:03:55,231 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:03:55,232 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 16:03:55,232 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 158 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:55,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 508 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:03:55,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:03:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 16:03:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:03:55,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2022-10-16 16:03:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:55,234 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:03:55,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 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 16:03:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:03:55,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:03:55,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 16:03:55,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 16:03:55,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 16:03:55,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 16:03:55,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 16:03:55,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 16:03:55,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 16:03:55,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 16:03:55,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 16:03:55,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:03:55,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 16:04:58,424 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 1905 DAG size of output: 1903 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 16:05:59,177 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 1923 DAG size of output: 1921 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)