/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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:25:18,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:25:18,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:25:18,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:25:18,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:25:18,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:25:18,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:25:18,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:25:18,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:25:18,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:25:18,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:25:18,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:25:18,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:25:18,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:25:18,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:25:18,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:25:18,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:25:18,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:25:18,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:25:18,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:25:18,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:25:18,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:25:18,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:25:18,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:25:18,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:25:18,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:25:18,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:25:18,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:25:18,313 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 [2022-10-15 22:25:18,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:25:18,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:25:18,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:25:18,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:25:18,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:25:18,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:25:18,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:25:18,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:25:18,351 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:25:18,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:25:18,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:25:18,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:25:18,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:25:18,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:25:18,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:25:18,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:25:18,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:25:18,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:25:18,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:25:18,354 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:25:18,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:25:18,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:25:18,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:25:18,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:25:18,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:25:18,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:25:18,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:25:18,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:25:18,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:25:18,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:25:18,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:25:18,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:25:18,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:25:18,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:25:18,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:25:18,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:25:18,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:25:18,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:25:18,768 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:25:18,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-15 22:25:18,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3be79c6/7cba3eb23c194e83b7d3c4ab86fd2f16/FLAG9edb7f600 [2022-10-15 22:25:19,670 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:25:19,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-15 22:25:19,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3be79c6/7cba3eb23c194e83b7d3c4ab86fd2f16/FLAG9edb7f600 [2022-10-15 22:25:19,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea3be79c6/7cba3eb23c194e83b7d3c4ab86fd2f16 [2022-10-15 22:25:19,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:25:19,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:25:19,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:25:19,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:25:19,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:25:19,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:25:19" (1/1) ... [2022-10-15 22:25:19,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251a99e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:19, skipping insertion in model container [2022-10-15 22:25:19,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:25:19" (1/1) ... [2022-10-15 22:25:19,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:25:19,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:25:20,443 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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[23233,23246] [2022-10-15 22:25:20,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:25:20,601 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:25:20,744 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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[23233,23246] [2022-10-15 22:25:20,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:25:20,847 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:25:20,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20 WrapperNode [2022-10-15 22:25:20,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:25:20,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:25:20,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:25:20,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:25:20,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:20,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,044 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2940 [2022-10-15 22:25:21,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:25:21,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:25:21,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:25:21,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:25:21,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:25:21,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:25:21,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:25:21,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:25:21,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (1/1) ... [2022-10-15 22:25:21,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:25:21,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:25:21,216 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) [2022-10-15 22:25:21,228 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 [2022-10-15 22:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:25:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:25:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:25:21,610 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:25:21,612 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:25:23,585 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:25:23,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:25:23,637 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:25:23,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:25:23 BoogieIcfgContainer [2022-10-15 22:25:23,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:25:23,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:25:23,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:25:23,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:25:23,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:25:19" (1/3) ... [2022-10-15 22:25:23,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575f8838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:25:23, skipping insertion in model container [2022-10-15 22:25:23,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:25:20" (2/3) ... [2022-10-15 22:25:23,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575f8838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:25:23, skipping insertion in model container [2022-10-15 22:25:23,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:25:23" (3/3) ... [2022-10-15 22:25:23,655 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-15 22:25:23,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:25:23,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-15 22:25:23,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:25:23,789 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;@770eed0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:25:23,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-15 22:25:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 892 states, 829 states have (on average 1.8492159227985525) internal successors, (1533), 891 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-15 22:25:23,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:23,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:23,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:23,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:23,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2058061605, now seen corresponding path program 1 times [2022-10-15 22:25:23,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:23,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401015900] [2022-10-15 22:25:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:24,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:24,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401015900] [2022-10-15 22:25:24,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401015900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:24,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:24,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:24,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448854528] [2022-10-15 22:25:24,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:24,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:24,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:24,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:24,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:24,827 INFO L87 Difference]: Start difference. First operand has 892 states, 829 states have (on average 1.8492159227985525) internal successors, (1533), 891 states have internal predecessors, (1533), 0 states have call successors, (0), 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 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:25,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:25,059 INFO L93 Difference]: Finished difference Result 1538 states and 2462 transitions. [2022-10-15 22:25:25,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:25,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-10-15 22:25:25,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:25,091 INFO L225 Difference]: With dead ends: 1538 [2022-10-15 22:25:25,091 INFO L226 Difference]: Without dead ends: 1188 [2022-10-15 22:25:25,098 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 [2022-10-15 22:25:25,102 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 479 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:25,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 3418 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:25,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-10-15 22:25:25,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1128. [2022-10-15 22:25:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1066 states have (on average 1.7711069418386491) internal successors, (1888), 1127 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1888 transitions. [2022-10-15 22:25:25,249 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1888 transitions. Word has length 191 [2022-10-15 22:25:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:25,252 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1888 transitions. [2022-10-15 22:25:25,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1888 transitions. [2022-10-15 22:25:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 22:25:25,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:25,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:25,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:25:25,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:25,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash -343927361, now seen corresponding path program 1 times [2022-10-15 22:25:25,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:25,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678990070] [2022-10-15 22:25:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:25,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:25,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678990070] [2022-10-15 22:25:25,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678990070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:25,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:25,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:25,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067494584] [2022-10-15 22:25:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:25,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:25,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:25,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:25,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:25,748 INFO L87 Difference]: Start difference. First operand 1128 states and 1888 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:25,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:25,909 INFO L93 Difference]: Finished difference Result 2003 states and 3247 transitions. [2022-10-15 22:25:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:25,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 195 [2022-10-15 22:25:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:25,931 INFO L225 Difference]: With dead ends: 2003 [2022-10-15 22:25:25,931 INFO L226 Difference]: Without dead ends: 1423 [2022-10-15 22:25:25,941 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 [2022-10-15 22:25:25,944 INFO L413 NwaCegarLoop]: 1455 mSDtfsCounter, 428 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:25,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 2849 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2022-10-15 22:25:26,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1378. [2022-10-15 22:25:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1316 states have (on average 1.762158054711246) internal successors, (2319), 1377 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2319 transitions. [2022-10-15 22:25:26,053 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2319 transitions. Word has length 195 [2022-10-15 22:25:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:26,057 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 2319 transitions. [2022-10-15 22:25:26,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2319 transitions. [2022-10-15 22:25:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-15 22:25:26,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:26,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:26,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:25:26,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:26,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:26,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2030272188, now seen corresponding path program 1 times [2022-10-15 22:25:26,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:26,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067187829] [2022-10-15 22:25:26,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:26,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:26,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:26,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067187829] [2022-10-15 22:25:26,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067187829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:26,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:26,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:26,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129894432] [2022-10-15 22:25:26,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:26,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:26,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:26,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:26,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:26,380 INFO L87 Difference]: Start difference. First operand 1378 states and 2319 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:26,523 INFO L93 Difference]: Finished difference Result 2912 states and 4810 transitions. [2022-10-15 22:25:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:26,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-10-15 22:25:26,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:26,538 INFO L225 Difference]: With dead ends: 2912 [2022-10-15 22:25:26,538 INFO L226 Difference]: Without dead ends: 2084 [2022-10-15 22:25:26,543 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 [2022-10-15 22:25:26,549 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 458 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 3246 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 [2022-10-15 22:25:26,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 3246 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:26,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-10-15 22:25:26,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2024. [2022-10-15 22:25:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1962 states have (on average 1.7624872579001019) internal successors, (3458), 2023 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3458 transitions. [2022-10-15 22:25:26,669 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3458 transitions. Word has length 199 [2022-10-15 22:25:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:26,670 INFO L495 AbstractCegarLoop]: Abstraction has 2024 states and 3458 transitions. [2022-10-15 22:25:26,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3458 transitions. [2022-10-15 22:25:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-15 22:25:26,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:26,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:26,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:25:26,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:26,677 INFO L85 PathProgramCache]: Analyzing trace with hash 485691094, now seen corresponding path program 1 times [2022-10-15 22:25:26,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:26,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090121311] [2022-10-15 22:25:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:26,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:26,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090121311] [2022-10-15 22:25:26,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090121311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:26,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:26,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423797161] [2022-10-15 22:25:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:26,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:26,964 INFO L87 Difference]: Start difference. First operand 2024 states and 3458 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:27,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:27,140 INFO L93 Difference]: Finished difference Result 4316 states and 7273 transitions. [2022-10-15 22:25:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:27,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-10-15 22:25:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:27,159 INFO L225 Difference]: With dead ends: 4316 [2022-10-15 22:25:27,159 INFO L226 Difference]: Without dead ends: 2842 [2022-10-15 22:25:27,164 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 [2022-10-15 22:25:27,172 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 460 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:27,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 2863 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:27,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2022-10-15 22:25:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2779. [2022-10-15 22:25:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2717 states have (on average 1.756716967243283) internal successors, (4773), 2778 states have internal predecessors, (4773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 4773 transitions. [2022-10-15 22:25:27,352 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 4773 transitions. Word has length 203 [2022-10-15 22:25:27,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:27,353 INFO L495 AbstractCegarLoop]: Abstraction has 2779 states and 4773 transitions. [2022-10-15 22:25:27,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 4773 transitions. [2022-10-15 22:25:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-15 22:25:27,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:27,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:27,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:25:27,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:27,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1046093275, now seen corresponding path program 1 times [2022-10-15 22:25:27,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:27,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448544558] [2022-10-15 22:25:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:27,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:27,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448544558] [2022-10-15 22:25:27,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448544558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:27,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:27,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:27,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885326427] [2022-10-15 22:25:27,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:27,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:27,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:27,594 INFO L87 Difference]: Start difference. First operand 2779 states and 4773 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:27,966 INFO L93 Difference]: Finished difference Result 6819 states and 11670 transitions. [2022-10-15 22:25:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:27,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2022-10-15 22:25:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:27,999 INFO L225 Difference]: With dead ends: 6819 [2022-10-15 22:25:27,999 INFO L226 Difference]: Without dead ends: 4618 [2022-10-15 22:25:28,009 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 [2022-10-15 22:25:28,011 INFO L413 NwaCegarLoop]: 1797 mSDtfsCounter, 450 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 3203 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 [2022-10-15 22:25:28,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 3203 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-10-15 22:25:28,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 4558. [2022-10-15 22:25:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4558 states, 4496 states have (on average 1.7575622775800712) internal successors, (7902), 4557 states have internal predecessors, (7902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 4558 states and 7902 transitions. [2022-10-15 22:25:28,456 INFO L78 Accepts]: Start accepts. Automaton has 4558 states and 7902 transitions. Word has length 207 [2022-10-15 22:25:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:28,456 INFO L495 AbstractCegarLoop]: Abstraction has 4558 states and 7902 transitions. [2022-10-15 22:25:28,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4558 states and 7902 transitions. [2022-10-15 22:25:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-15 22:25:28,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:28,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:28,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:25:28,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1236915483, now seen corresponding path program 1 times [2022-10-15 22:25:28,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:28,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652695397] [2022-10-15 22:25:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:28,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652695397] [2022-10-15 22:25:28,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652695397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:28,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:28,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195468930] [2022-10-15 22:25:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:28,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:28,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:28,807 INFO L87 Difference]: Start difference. First operand 4558 states and 7902 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:29,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:29,276 INFO L93 Difference]: Finished difference Result 10657 states and 18395 transitions. [2022-10-15 22:25:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:29,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 211 [2022-10-15 22:25:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:29,316 INFO L225 Difference]: With dead ends: 10657 [2022-10-15 22:25:29,316 INFO L226 Difference]: Without dead ends: 6677 [2022-10-15 22:25:29,325 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 [2022-10-15 22:25:29,326 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 452 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:29,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 2865 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2022-10-15 22:25:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6608. [2022-10-15 22:25:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6608 states, 6546 states have (on average 1.752367858234036) internal successors, (11471), 6607 states have internal predecessors, (11471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 11471 transitions. [2022-10-15 22:25:29,812 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 11471 transitions. Word has length 211 [2022-10-15 22:25:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:29,813 INFO L495 AbstractCegarLoop]: Abstraction has 6608 states and 11471 transitions. [2022-10-15 22:25:29,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 11471 transitions. [2022-10-15 22:25:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-15 22:25:29,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:29,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:29,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:25:29,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:29,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1524973728, now seen corresponding path program 1 times [2022-10-15 22:25:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:29,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654547435] [2022-10-15 22:25:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:30,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:30,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654547435] [2022-10-15 22:25:30,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654547435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:30,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:30,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309757649] [2022-10-15 22:25:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:30,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:30,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:30,062 INFO L87 Difference]: Start difference. First operand 6608 states and 11471 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:30,902 INFO L93 Difference]: Finished difference Result 17530 states and 30434 transitions. [2022-10-15 22:25:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:30,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 215 [2022-10-15 22:25:30,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:30,952 INFO L225 Difference]: With dead ends: 17530 [2022-10-15 22:25:30,953 INFO L226 Difference]: Without dead ends: 11528 [2022-10-15 22:25:30,964 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 [2022-10-15 22:25:30,965 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 442 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 3160 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 [2022-10-15 22:25:30,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 3160 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11528 states. [2022-10-15 22:25:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11528 to 11468. [2022-10-15 22:25:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11468 states, 11406 states have (on average 1.7529370506750832) internal successors, (19994), 11467 states have internal predecessors, (19994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11468 states to 11468 states and 19994 transitions. [2022-10-15 22:25:31,858 INFO L78 Accepts]: Start accepts. Automaton has 11468 states and 19994 transitions. Word has length 215 [2022-10-15 22:25:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:31,859 INFO L495 AbstractCegarLoop]: Abstraction has 11468 states and 19994 transitions. [2022-10-15 22:25:31,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 11468 states and 19994 transitions. [2022-10-15 22:25:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-15 22:25:31,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:31,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:25:31,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash -536651122, now seen corresponding path program 1 times [2022-10-15 22:25:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:31,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750743655] [2022-10-15 22:25:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:31,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:32,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:32,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750743655] [2022-10-15 22:25:32,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750743655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:32,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:32,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:32,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138438844] [2022-10-15 22:25:32,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:32,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:32,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:32,105 INFO L87 Difference]: Start difference. First operand 11468 states and 19994 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:33,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:33,223 INFO L93 Difference]: Finished difference Result 28034 states and 48793 transitions. [2022-10-15 22:25:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:33,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-10-15 22:25:33,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:33,280 INFO L225 Difference]: With dead ends: 28034 [2022-10-15 22:25:33,280 INFO L226 Difference]: Without dead ends: 17172 [2022-10-15 22:25:33,301 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 [2022-10-15 22:25:33,302 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 444 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:33,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 2867 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:33,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17172 states. [2022-10-15 22:25:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17172 to 17085. [2022-10-15 22:25:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17085 states, 17023 states have (on average 1.7475768078482055) internal successors, (29749), 17084 states have internal predecessors, (29749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 29749 transitions. [2022-10-15 22:25:34,767 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 29749 transitions. Word has length 219 [2022-10-15 22:25:34,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:34,768 INFO L495 AbstractCegarLoop]: Abstraction has 17085 states and 29749 transitions. [2022-10-15 22:25:34,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 29749 transitions. [2022-10-15 22:25:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 22:25:34,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:34,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:34,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:25:34,774 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:34,774 INFO L85 PathProgramCache]: Analyzing trace with hash -704390253, now seen corresponding path program 1 times [2022-10-15 22:25:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:34,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832441906] [2022-10-15 22:25:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:35,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:35,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832441906] [2022-10-15 22:25:35,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832441906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:35,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:35,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:35,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703507972] [2022-10-15 22:25:35,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:35,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:35,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:35,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:35,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:35,004 INFO L87 Difference]: Start difference. First operand 17085 states and 29749 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:36,972 INFO L93 Difference]: Finished difference Result 46745 states and 81454 transitions. [2022-10-15 22:25:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:36,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-15 22:25:36,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:37,081 INFO L225 Difference]: With dead ends: 46745 [2022-10-15 22:25:37,082 INFO L226 Difference]: Without dead ends: 30294 [2022-10-15 22:25:37,123 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 [2022-10-15 22:25:37,127 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 434 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 3117 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 [2022-10-15 22:25:37,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 3117 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30294 states. [2022-10-15 22:25:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30294 to 30234. [2022-10-15 22:25:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30234 states, 30172 states have (on average 1.7475142516240223) internal successors, (52726), 30233 states have internal predecessors, (52726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30234 states to 30234 states and 52726 transitions. [2022-10-15 22:25:39,408 INFO L78 Accepts]: Start accepts. Automaton has 30234 states and 52726 transitions. Word has length 223 [2022-10-15 22:25:39,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:39,409 INFO L495 AbstractCegarLoop]: Abstraction has 30234 states and 52726 transitions. [2022-10-15 22:25:39,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 30234 states and 52726 transitions. [2022-10-15 22:25:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-15 22:25:39,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:39,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:39,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:25:39,414 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:39,415 INFO L85 PathProgramCache]: Analyzing trace with hash 961672209, now seen corresponding path program 1 times [2022-10-15 22:25:39,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:39,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605870596] [2022-10-15 22:25:39,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:39,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:39,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605870596] [2022-10-15 22:25:39,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605870596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:39,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:39,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:25:39,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155210710] [2022-10-15 22:25:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:39,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:39,773 INFO L87 Difference]: Start difference. First operand 30234 states and 52726 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:42,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:42,112 INFO L93 Difference]: Finished difference Result 75339 states and 131259 transitions. [2022-10-15 22:25:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:42,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 226 [2022-10-15 22:25:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:42,342 INFO L225 Difference]: With dead ends: 75339 [2022-10-15 22:25:42,342 INFO L226 Difference]: Without dead ends: 45739 [2022-10-15 22:25:42,407 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 [2022-10-15 22:25:42,408 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 436 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:42,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 2869 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:25:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45739 states. [2022-10-15 22:25:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45739 to 45598. [2022-10-15 22:25:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45598 states, 45536 states have (on average 1.7417208362614196) internal successors, (79311), 45597 states have internal predecessors, (79311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45598 states to 45598 states and 79311 transitions. [2022-10-15 22:25:45,846 INFO L78 Accepts]: Start accepts. Automaton has 45598 states and 79311 transitions. Word has length 226 [2022-10-15 22:25:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:45,847 INFO L495 AbstractCegarLoop]: Abstraction has 45598 states and 79311 transitions. [2022-10-15 22:25:45,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 45598 states and 79311 transitions. [2022-10-15 22:25:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-15 22:25:45,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:45,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:45,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:25:45,854 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:45,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash 574234604, now seen corresponding path program 1 times [2022-10-15 22:25:45,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:45,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637767225] [2022-10-15 22:25:45,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:45,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:46,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:46,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637767225] [2022-10-15 22:25:46,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637767225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:46,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:46,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148660054] [2022-10-15 22:25:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:46,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:46,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:46,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:46,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:46,476 INFO L87 Difference]: Start difference. First operand 45598 states and 79311 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:50,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:50,568 INFO L93 Difference]: Finished difference Result 85617 states and 149187 transitions. [2022-10-15 22:25:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:50,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-10-15 22:25:50,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:50,896 INFO L225 Difference]: With dead ends: 85617 [2022-10-15 22:25:50,896 INFO L226 Difference]: Without dead ends: 85614 [2022-10-15 22:25:50,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:50,939 INFO L413 NwaCegarLoop]: 1398 mSDtfsCounter, 1229 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:50,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1825 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:25:51,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85614 states. [2022-10-15 22:25:55,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85614 to 85558. [2022-10-15 22:25:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85558 states, 85496 states have (on average 1.737379526527557) internal successors, (148539), 85557 states have internal predecessors, (148539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85558 states to 85558 states and 148539 transitions. [2022-10-15 22:25:56,642 INFO L78 Accepts]: Start accepts. Automaton has 85558 states and 148539 transitions. Word has length 230 [2022-10-15 22:25:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:56,643 INFO L495 AbstractCegarLoop]: Abstraction has 85558 states and 148539 transitions. [2022-10-15 22:25:56,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 85558 states and 148539 transitions. [2022-10-15 22:25:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-15 22:25:56,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:56,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:56,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:25:56,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:25:56,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:56,650 INFO L85 PathProgramCache]: Analyzing trace with hash 621404308, now seen corresponding path program 1 times [2022-10-15 22:25:56,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:56,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142589600] [2022-10-15 22:25:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:57,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:57,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142589600] [2022-10-15 22:25:57,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142589600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:57,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:57,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:57,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038698396] [2022-10-15 22:25:57,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:57,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:57,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:57,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:57,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:57,020 INFO L87 Difference]: Start difference. First operand 85558 states and 148539 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:26:01,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:26:01,235 INFO L93 Difference]: Finished difference Result 85617 states and 148539 transitions. [2022-10-15 22:26:01,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:26:01,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-10-15 22:26:01,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:26:01,419 INFO L225 Difference]: With dead ends: 85617 [2022-10-15 22:26:01,419 INFO L226 Difference]: Without dead ends: 85614 [2022-10-15 22:26:01,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:26:01,440 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 1225 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:26:01,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1828 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:26:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85614 states. [2022-10-15 22:26:05,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85614 to 85558. [2022-10-15 22:26:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85558 states, 85496 states have (on average 1.7298002245719097) internal successors, (147891), 85557 states have internal predecessors, (147891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:26:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85558 states to 85558 states and 147891 transitions. [2022-10-15 22:26:06,624 INFO L78 Accepts]: Start accepts. Automaton has 85558 states and 147891 transitions. Word has length 231 [2022-10-15 22:26:06,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:26:06,625 INFO L495 AbstractCegarLoop]: Abstraction has 85558 states and 147891 transitions. [2022-10-15 22:26:06,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:26:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 85558 states and 147891 transitions. [2022-10-15 22:26:06,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 22:26:06,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:26:06,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:26:06,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:26:06,642 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 22:26:06,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:26:06,643 INFO L85 PathProgramCache]: Analyzing trace with hash 2083665134, now seen corresponding path program 1 times [2022-10-15 22:26:06,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:26:06,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586029689] [2022-10-15 22:26:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:26:06,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:26:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:26:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:26:07,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:26:07,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586029689] [2022-10-15 22:26:07,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586029689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:26:07,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:26:07,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:26:07,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279209537] [2022-10-15 22:26:07,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:26:07,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:26:07,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:26:07,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:26:07,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:26:07,015 INFO L87 Difference]: Start difference. First operand 85558 states and 147891 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)