/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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:06:31,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:06:31,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:06:31,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:06:31,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:06:31,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:06:31,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:06:31,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:06:31,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:06:31,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:06:31,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:06:31,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:06:31,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:06:31,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:06:31,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:06:31,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:06:31,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:06:31,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:06:31,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:06:31,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:06:31,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:06:31,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:06:31,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:06:31,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:06:31,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:06:31,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:06:31,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:06:31,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:06:31,120 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 22:06:31,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:06:31,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:06:31,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:06:31,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:06:31,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:06:31,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:06:31,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:06:31,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:06:31,158 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:06:31,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:06:31,158 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:06:31,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:06:31,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:06:31,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:06:31,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:06:31,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:06:31,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:06:31,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:06:31,160 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:06:31,161 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:06:31,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:06:31,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:06:31,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:06:31,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:06:31,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:06:31,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:06:31,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:31,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:06:31,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:06:31,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:06:31,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:06:31,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:06:31,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:06:31,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:06:31,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:06:31,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:06:31,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:06:31,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:06:31,602 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:06:31,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:31,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3256c53b/bebc8d0054584939961fb92a778a2d1f/FLAG66e92ade2 [2022-10-15 22:06:32,327 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:06:32,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:32,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3256c53b/bebc8d0054584939961fb92a778a2d1f/FLAG66e92ade2 [2022-10-15 22:06:32,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3256c53b/bebc8d0054584939961fb92a778a2d1f [2022-10-15 22:06:32,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:06:32,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:06:32,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:32,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:06:32,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:06:32,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:32" (1/1) ... [2022-10-15 22:06:32,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5387fd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:32, skipping insertion in model container [2022-10-15 22:06:32,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:32" (1/1) ... [2022-10-15 22:06:32,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:06:32,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:06:33,183 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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12834,12847] [2022-10-15 22:06:33,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:33,332 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:06:33,432 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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12834,12847] [2022-10-15 22:06:33,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:33,502 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:06:33,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33 WrapperNode [2022-10-15 22:06:33,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:33,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:33,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:06:33,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:06:33,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,663 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1340 [2022-10-15 22:06:33,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:33,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:06:33,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:06:33,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:06:33,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:06:33,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:06:33,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:06:33,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:06:33,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (1/1) ... [2022-10-15 22:06:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:33,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:06:33,837 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 22:06:33,862 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 22:06:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:06:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:06:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:06:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:06:34,064 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:06:34,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:06:35,266 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:06:35,289 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:06:35,290 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:06:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:35 BoogieIcfgContainer [2022-10-15 22:06:35,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:06:35,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:06:35,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:06:35,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:06:35,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:06:32" (1/3) ... [2022-10-15 22:06:35,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d98c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:35, skipping insertion in model container [2022-10-15 22:06:35,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:33" (2/3) ... [2022-10-15 22:06:35,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d98c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:35, skipping insertion in model container [2022-10-15 22:06:35,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:35" (3/3) ... [2022-10-15 22:06:35,307 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:06:35,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:06:35,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 22:06:35,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:06:35,416 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;@7cdaada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:06:35,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 22:06:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 364 states have (on average 1.8296703296703296) internal successors, (666), 412 states have internal predecessors, (666), 0 states have call successors, (0), 0 states 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 22:06:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:06:35,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:35,440 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] [2022-10-15 22:06:35,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:35,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1259654729, now seen corresponding path program 1 times [2022-10-15 22:06:35,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:35,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558018230] [2022-10-15 22:06:35,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:36,092 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 22:06:36,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:36,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558018230] [2022-10-15 22:06:36,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558018230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:36,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:36,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:36,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911621927] [2022-10-15 22:06:36,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:36,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:36,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:36,161 INFO L87 Difference]: Start difference. First operand has 413 states, 364 states have (on average 1.8296703296703296) internal successors, (666), 412 states have internal predecessors, (666), 0 states have call successors, (0), 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 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 22:06:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:36,353 INFO L93 Difference]: Finished difference Result 831 states and 1246 transitions. [2022-10-15 22:06:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:36,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:06:36,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:36,386 INFO L225 Difference]: With dead ends: 831 [2022-10-15 22:06:36,387 INFO L226 Difference]: Without dead ends: 601 [2022-10-15 22:06:36,394 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 22:06:36,398 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 293 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1548 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 22:06:36,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1548 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2022-10-15 22:06:36,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 555. [2022-10-15 22:06:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 507 states have (on average 1.7357001972386588) internal successors, (880), 554 states have internal predecessors, (880), 0 states have call successors, (0), 0 states 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 22:06:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 880 transitions. [2022-10-15 22:06:36,498 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 880 transitions. Word has length 96 [2022-10-15 22:06:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:36,499 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 880 transitions. [2022-10-15 22:06:36,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 22:06:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 880 transitions. [2022-10-15 22:06:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:06:36,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:36,504 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] [2022-10-15 22:06:36,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:06:36,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:36,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:36,506 INFO L85 PathProgramCache]: Analyzing trace with hash -697644370, now seen corresponding path program 1 times [2022-10-15 22:06:36,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:36,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632742561] [2022-10-15 22:06:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:36,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:36,833 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 22:06:36,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:36,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632742561] [2022-10-15 22:06:36,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632742561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:36,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:36,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:36,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342098994] [2022-10-15 22:06:36,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:36,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:36,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:36,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:36,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:36,841 INFO L87 Difference]: Start difference. First operand 555 states and 880 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 22:06:36,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:36,936 INFO L93 Difference]: Finished difference Result 1107 states and 1718 transitions. [2022-10-15 22:06:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:36,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:06:36,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:36,942 INFO L225 Difference]: With dead ends: 1107 [2022-10-15 22:06:36,942 INFO L226 Difference]: Without dead ends: 741 [2022-10-15 22:06:36,944 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 22:06:36,946 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 256 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1179 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 22:06:36,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1179 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:36,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-10-15 22:06:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 706. [2022-10-15 22:06:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 658 states have (on average 1.7310030395136777) internal successors, (1139), 705 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states 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 22:06:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1139 transitions. [2022-10-15 22:06:37,018 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1139 transitions. Word has length 99 [2022-10-15 22:06:37,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:37,020 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 1139 transitions. [2022-10-15 22:06:37,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 22:06:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1139 transitions. [2022-10-15 22:06:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:06:37,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:37,028 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] [2022-10-15 22:06:37,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:06:37,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:37,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:37,039 INFO L85 PathProgramCache]: Analyzing trace with hash 995291754, now seen corresponding path program 1 times [2022-10-15 22:06:37,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:37,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534510809] [2022-10-15 22:06:37,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:37,292 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 22:06:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:37,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534510809] [2022-10-15 22:06:37,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534510809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:37,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:37,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:37,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040266440] [2022-10-15 22:06:37,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:37,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:37,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:37,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:37,296 INFO L87 Difference]: Start difference. First operand 706 states and 1139 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 22:06:37,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:37,385 INFO L93 Difference]: Finished difference Result 1650 states and 2651 transitions. [2022-10-15 22:06:37,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:37,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:06:37,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:37,394 INFO L225 Difference]: With dead ends: 1650 [2022-10-15 22:06:37,394 INFO L226 Difference]: Without dead ends: 1135 [2022-10-15 22:06:37,396 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 22:06:37,397 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 280 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1433 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 22:06:37,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1433 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-10-15 22:06:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1089. [2022-10-15 22:06:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1041 states have (on average 1.7483189241114314) internal successors, (1820), 1088 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states 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 22:06:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1820 transitions. [2022-10-15 22:06:37,471 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1820 transitions. Word has length 102 [2022-10-15 22:06:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:37,472 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1820 transitions. [2022-10-15 22:06:37,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 22:06:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1820 transitions. [2022-10-15 22:06:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 22:06:37,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:37,474 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] [2022-10-15 22:06:37,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:06:37,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:37,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:37,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1285876345, now seen corresponding path program 1 times [2022-10-15 22:06:37,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:37,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036488763] [2022-10-15 22:06:37,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:37,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:37,642 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 22:06:37,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:37,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036488763] [2022-10-15 22:06:37,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036488763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:37,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:37,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:37,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826836173] [2022-10-15 22:06:37,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:37,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:37,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:37,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:37,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:37,646 INFO L87 Difference]: Start difference. First operand 1089 states and 1820 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 22:06:37,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:37,767 INFO L93 Difference]: Finished difference Result 2491 states and 4133 transitions. [2022-10-15 22:06:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:37,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 22:06:37,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:37,778 INFO L225 Difference]: With dead ends: 2491 [2022-10-15 22:06:37,779 INFO L226 Difference]: Without dead ends: 1593 [2022-10-15 22:06:37,781 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 22:06:37,782 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 282 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1193 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 22:06:37,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1193 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:37,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-10-15 22:06:37,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1544. [2022-10-15 22:06:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1496 states have (on average 1.7459893048128343) internal successors, (2612), 1543 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states 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 22:06:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2612 transitions. [2022-10-15 22:06:37,891 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2612 transitions. Word has length 105 [2022-10-15 22:06:37,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:37,891 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 2612 transitions. [2022-10-15 22:06:37,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 22:06:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2612 transitions. [2022-10-15 22:06:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:06:37,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:37,893 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] [2022-10-15 22:06:37,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:06:37,894 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash 327661917, now seen corresponding path program 1 times [2022-10-15 22:06:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:37,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621731016] [2022-10-15 22:06:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:37,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:38,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:38,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621731016] [2022-10-15 22:06:38,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621731016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:38,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:38,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:38,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604278189] [2022-10-15 22:06:38,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:38,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:38,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:38,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:38,027 INFO L87 Difference]: Start difference. First operand 1544 states and 2612 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 22:06:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:38,243 INFO L93 Difference]: Finished difference Result 3960 states and 6728 transitions. [2022-10-15 22:06:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:38,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 22:06:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:38,259 INFO L225 Difference]: With dead ends: 3960 [2022-10-15 22:06:38,259 INFO L226 Difference]: Without dead ends: 2625 [2022-10-15 22:06:38,262 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 22:06:38,264 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 274 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1407 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 22:06:38,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1407 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-10-15 22:06:38,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2579. [2022-10-15 22:06:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2579 states, 2531 states have (on average 1.7562228368233899) internal successors, (4445), 2578 states have internal predecessors, (4445), 0 states have call successors, (0), 0 states 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 22:06:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 4445 transitions. [2022-10-15 22:06:38,492 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 4445 transitions. Word has length 108 [2022-10-15 22:06:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:38,493 INFO L495 AbstractCegarLoop]: Abstraction has 2579 states and 4445 transitions. [2022-10-15 22:06:38,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 22:06:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 4445 transitions. [2022-10-15 22:06:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:06:38,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:38,495 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] [2022-10-15 22:06:38,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:06:38,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash -768232928, now seen corresponding path program 1 times [2022-10-15 22:06:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:38,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259282115] [2022-10-15 22:06:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:38,656 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 22:06:38,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:38,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259282115] [2022-10-15 22:06:38,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259282115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:38,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:38,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:38,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855166900] [2022-10-15 22:06:38,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:38,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:38,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:38,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:38,659 INFO L87 Difference]: Start difference. First operand 2579 states and 4445 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 22:06:38,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:38,981 INFO L93 Difference]: Finished difference Result 6219 states and 10700 transitions. [2022-10-15 22:06:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:06:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:39,004 INFO L225 Difference]: With dead ends: 6219 [2022-10-15 22:06:39,005 INFO L226 Difference]: Without dead ends: 3849 [2022-10-15 22:06:39,009 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 22:06:39,013 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 276 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1195 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 22:06:39,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1195 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:39,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2022-10-15 22:06:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3794. [2022-10-15 22:06:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3794 states, 3746 states have (on average 1.7504004271222637) internal successors, (6557), 3793 states have internal predecessors, (6557), 0 states have call successors, (0), 0 states 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 22:06:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3794 states and 6557 transitions. [2022-10-15 22:06:39,319 INFO L78 Accepts]: Start accepts. Automaton has 3794 states and 6557 transitions. Word has length 111 [2022-10-15 22:06:39,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:39,319 INFO L495 AbstractCegarLoop]: Abstraction has 3794 states and 6557 transitions. [2022-10-15 22:06:39,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 22:06:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3794 states and 6557 transitions. [2022-10-15 22:06:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:06:39,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:39,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:39,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:06:39,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1900292464, now seen corresponding path program 1 times [2022-10-15 22:06:39,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:39,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60234259] [2022-10-15 22:06:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:39,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:39,464 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 22:06:39,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:39,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60234259] [2022-10-15 22:06:39,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60234259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:39,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:39,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:39,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983662405] [2022-10-15 22:06:39,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:39,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:39,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:39,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:39,471 INFO L87 Difference]: Start difference. First operand 3794 states and 6557 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:39,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:39,976 INFO L93 Difference]: Finished difference Result 10170 states and 17645 transitions. [2022-10-15 22:06:39,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:39,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-15 22:06:39,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:40,019 INFO L225 Difference]: With dead ends: 10170 [2022-10-15 22:06:40,020 INFO L226 Difference]: Without dead ends: 6603 [2022-10-15 22:06:40,028 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 22:06:40,032 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 268 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1381 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 22:06:40,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1381 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:40,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6603 states. [2022-10-15 22:06:40,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6603 to 6557. [2022-10-15 22:06:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6557 states, 6509 states have (on average 1.7554155784298664) internal successors, (11426), 6556 states have internal predecessors, (11426), 0 states have call successors, (0), 0 states 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 22:06:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6557 states to 6557 states and 11426 transitions. [2022-10-15 22:06:40,652 INFO L78 Accepts]: Start accepts. Automaton has 6557 states and 11426 transitions. Word has length 114 [2022-10-15 22:06:40,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:40,653 INFO L495 AbstractCegarLoop]: Abstraction has 6557 states and 11426 transitions. [2022-10-15 22:06:40,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 11426 transitions. [2022-10-15 22:06:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 22:06:40,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:40,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:40,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:06:40,656 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:40,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash 551964729, now seen corresponding path program 1 times [2022-10-15 22:06:40,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:40,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142890760] [2022-10-15 22:06:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:40,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:40,835 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 22:06:40,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:40,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142890760] [2022-10-15 22:06:40,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142890760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:40,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:40,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37270881] [2022-10-15 22:06:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:40,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:40,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:40,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:40,839 INFO L87 Difference]: Start difference. First operand 6557 states and 11426 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:41,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:41,541 INFO L93 Difference]: Finished difference Result 16227 states and 28247 transitions. [2022-10-15 22:06:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:41,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 22:06:41,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:41,593 INFO L225 Difference]: With dead ends: 16227 [2022-10-15 22:06:41,594 INFO L226 Difference]: Without dead ends: 9897 [2022-10-15 22:06:41,606 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 22:06:41,607 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 270 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1197 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 22:06:41,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1197 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:06:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9897 states. [2022-10-15 22:06:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9897 to 9824. [2022-10-15 22:06:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9824 states, 9776 states have (on average 1.7469312602291325) internal successors, (17078), 9823 states have internal predecessors, (17078), 0 states have call successors, (0), 0 states 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 22:06:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 9824 states and 17078 transitions. [2022-10-15 22:06:42,452 INFO L78 Accepts]: Start accepts. Automaton has 9824 states and 17078 transitions. Word has length 117 [2022-10-15 22:06:42,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:42,452 INFO L495 AbstractCegarLoop]: Abstraction has 9824 states and 17078 transitions. [2022-10-15 22:06:42,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 9824 states and 17078 transitions. [2022-10-15 22:06:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-15 22:06:42,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:42,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:42,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:06:42,459 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1020945981, now seen corresponding path program 1 times [2022-10-15 22:06:42,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:42,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380843917] [2022-10-15 22:06:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:42,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:42,657 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 22:06:42,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:42,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380843917] [2022-10-15 22:06:42,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380843917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:42,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:42,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:42,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608773648] [2022-10-15 22:06:42,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:42,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:42,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:42,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:42,661 INFO L87 Difference]: Start difference. First operand 9824 states and 17078 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:44,151 INFO L93 Difference]: Finished difference Result 18377 states and 32060 transitions. [2022-10-15 22:06:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:44,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-15 22:06:44,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:44,268 INFO L225 Difference]: With dead ends: 18377 [2022-10-15 22:06:44,268 INFO L226 Difference]: Without dead ends: 18374 [2022-10-15 22:06:44,274 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 22:06:44,277 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 495 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:44,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 820 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18374 states. [2022-10-15 22:06:45,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18374 to 18332. [2022-10-15 22:06:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18332 states, 18284 states have (on average 1.7416320280026252) internal successors, (31844), 18331 states have internal predecessors, (31844), 0 states have call successors, (0), 0 states 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 22:06:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18332 states to 18332 states and 31844 transitions. [2022-10-15 22:06:45,679 INFO L78 Accepts]: Start accepts. Automaton has 18332 states and 31844 transitions. Word has length 120 [2022-10-15 22:06:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:45,680 INFO L495 AbstractCegarLoop]: Abstraction has 18332 states and 31844 transitions. [2022-10-15 22:06:45,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 18332 states and 31844 transitions. [2022-10-15 22:06:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:06:45,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:45,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:45,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:06:45,683 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:45,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1584553901, now seen corresponding path program 1 times [2022-10-15 22:06:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:45,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018987916] [2022-10-15 22:06:45,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:45,870 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 22:06:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:45,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018987916] [2022-10-15 22:06:45,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018987916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:45,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:45,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:45,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934010773] [2022-10-15 22:06:45,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:45,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:45,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:45,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:45,873 INFO L87 Difference]: Start difference. First operand 18332 states and 31844 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:47,276 INFO L93 Difference]: Finished difference Result 18377 states and 31844 transitions. [2022-10-15 22:06:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:47,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-15 22:06:47,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:47,327 INFO L225 Difference]: With dead ends: 18377 [2022-10-15 22:06:47,328 INFO L226 Difference]: Without dead ends: 18374 [2022-10-15 22:06:47,334 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 22:06:47,335 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 491 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:47,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 823 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18374 states. [2022-10-15 22:06:48,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18374 to 18332. [2022-10-15 22:06:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18332 states, 18284 states have (on average 1.7298184204769198) internal successors, (31628), 18331 states have internal predecessors, (31628), 0 states have call successors, (0), 0 states 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 22:06:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18332 states to 18332 states and 31628 transitions. [2022-10-15 22:06:48,739 INFO L78 Accepts]: Start accepts. Automaton has 18332 states and 31628 transitions. Word has length 121 [2022-10-15 22:06:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:48,740 INFO L495 AbstractCegarLoop]: Abstraction has 18332 states and 31628 transitions. [2022-10-15 22:06:48,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18332 states and 31628 transitions. [2022-10-15 22:06:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-15 22:06:48,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:48,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:48,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:06:48,743 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1876530235, now seen corresponding path program 1 times [2022-10-15 22:06:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:48,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374823585] [2022-10-15 22:06:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:48,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:49,023 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 22:06:49,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:49,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374823585] [2022-10-15 22:06:49,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374823585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:49,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:49,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:49,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714682237] [2022-10-15 22:06:49,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:49,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:49,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:49,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:49,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:49,027 INFO L87 Difference]: Start difference. First operand 18332 states and 31628 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:50,576 INFO L93 Difference]: Finished difference Result 24653 states and 42401 transitions. [2022-10-15 22:06:50,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:50,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-15 22:06:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:50,658 INFO L225 Difference]: With dead ends: 24653 [2022-10-15 22:06:50,658 INFO L226 Difference]: Without dead ends: 24650 [2022-10-15 22:06:50,672 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 22:06:50,673 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 486 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:50,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 812 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24650 states. [2022-10-15 22:06:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24650 to 24614. [2022-10-15 22:06:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24614 states, 24566 states have (on average 1.7172107791256208) internal successors, (42185), 24613 states have internal predecessors, (42185), 0 states have call successors, (0), 0 states 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 22:06:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24614 states to 24614 states and 42185 transitions. [2022-10-15 22:06:52,665 INFO L78 Accepts]: Start accepts. Automaton has 24614 states and 42185 transitions. Word has length 122 [2022-10-15 22:06:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:52,666 INFO L495 AbstractCegarLoop]: Abstraction has 24614 states and 42185 transitions. [2022-10-15 22:06:52,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 24614 states and 42185 transitions. [2022-10-15 22:06:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-15 22:06:52,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:52,668 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] [2022-10-15 22:06:52,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:06:52,669 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:52,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1957105301, now seen corresponding path program 1 times [2022-10-15 22:06:52,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:52,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618062871] [2022-10-15 22:06:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:52,906 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 22:06:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:52,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618062871] [2022-10-15 22:06:52,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618062871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:52,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:52,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018034161] [2022-10-15 22:06:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:52,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:52,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:52,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:52,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:52,909 INFO L87 Difference]: Start difference. First operand 24614 states and 42185 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 22:06:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:54,839 INFO L93 Difference]: Finished difference Result 24653 states and 42185 transitions. [2022-10-15 22:06:54,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:54,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-15 22:06:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:54,906 INFO L225 Difference]: With dead ends: 24653 [2022-10-15 22:06:54,906 INFO L226 Difference]: Without dead ends: 24650 [2022-10-15 22:06:54,917 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 22:06:54,918 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 482 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:54,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 815 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24650 states. [2022-10-15 22:06:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24650 to 24614. [2022-10-15 22:06:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24614 states, 24566 states have (on average 1.7084181388911504) internal successors, (41969), 24613 states have internal predecessors, (41969), 0 states have call successors, (0), 0 states 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 22:06:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24614 states to 24614 states and 41969 transitions. [2022-10-15 22:06:56,421 INFO L78 Accepts]: Start accepts. Automaton has 24614 states and 41969 transitions. Word has length 123 [2022-10-15 22:06:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:56,422 INFO L495 AbstractCegarLoop]: Abstraction has 24614 states and 41969 transitions. [2022-10-15 22:06:56,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 22:06:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24614 states and 41969 transitions. [2022-10-15 22:06:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:06:56,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:56,424 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] [2022-10-15 22:06:56,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:06:56,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:06:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:56,425 INFO L85 PathProgramCache]: Analyzing trace with hash 540722631, now seen corresponding path program 1 times [2022-10-15 22:06:56,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:56,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424542808] [2022-10-15 22:06:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:56,672 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 22:06:56,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:56,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424542808] [2022-10-15 22:06:56,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424542808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:56,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:56,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:56,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410979177] [2022-10-15 22:06:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:56,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:56,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:56,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:56,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:56,675 INFO L87 Difference]: Start difference. First operand 24614 states and 41969 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:06:58,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:58,995 INFO L93 Difference]: Finished difference Result 38537 states and 64637 transitions. [2022-10-15 22:06:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-15 22:06:58,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:59,125 INFO L225 Difference]: With dead ends: 38537 [2022-10-15 22:06:59,125 INFO L226 Difference]: Without dead ends: 38534 [2022-10-15 22:06:59,146 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 22:06:59,148 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 489 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:59,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 758 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:59,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38534 states. [2022-10-15 22:07:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38534 to 38520. [2022-10-15 22:07:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38520 states, 38474 states have (on average 1.6655143733430369) internal successors, (64079), 38519 states have internal predecessors, (64079), 0 states have call successors, (0), 0 states 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 22:07:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38520 states to 38520 states and 64079 transitions. [2022-10-15 22:07:02,449 INFO L78 Accepts]: Start accepts. Automaton has 38520 states and 64079 transitions. Word has length 124 [2022-10-15 22:07:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:02,450 INFO L495 AbstractCegarLoop]: Abstraction has 38520 states and 64079 transitions. [2022-10-15 22:07:02,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:07:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38520 states and 64079 transitions. [2022-10-15 22:07:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-15 22:07:02,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:02,452 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] [2022-10-15 22:07:02,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:07:02,453 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:07:02,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:02,453 INFO L85 PathProgramCache]: Analyzing trace with hash -417467177, now seen corresponding path program 1 times [2022-10-15 22:07:02,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:02,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404739256] [2022-10-15 22:07:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:02,724 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 22:07:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:02,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404739256] [2022-10-15 22:07:02,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404739256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:02,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:02,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:07:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401194476] [2022-10-15 22:07:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:02,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:02,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:02,727 INFO L87 Difference]: Start difference. First operand 38520 states and 64079 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states 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 22:07:07,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:07,028 INFO L93 Difference]: Finished difference Result 62703 states and 104783 transitions. [2022-10-15 22:07:07,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:07:07,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-15 22:07:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:07,171 INFO L225 Difference]: With dead ends: 62703 [2022-10-15 22:07:07,171 INFO L226 Difference]: Without dead ends: 62700 [2022-10-15 22:07:07,193 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 22:07:07,194 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 485 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:07,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 805 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:07:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62700 states. [2022-10-15 22:07:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62700 to 62658. [2022-10-15 22:07:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62658 states, 62612 states have (on average 1.6617421580527694) internal successors, (104045), 62657 states have internal predecessors, (104045), 0 states have call successors, (0), 0 states 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 22:07:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62658 states to 62658 states and 104045 transitions. [2022-10-15 22:07:12,181 INFO L78 Accepts]: Start accepts. Automaton has 62658 states and 104045 transitions. Word has length 125 [2022-10-15 22:07:12,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:12,188 INFO L495 AbstractCegarLoop]: Abstraction has 62658 states and 104045 transitions. [2022-10-15 22:07:12,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states 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 22:07:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 62658 states and 104045 transitions. [2022-10-15 22:07:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:07:12,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:12,191 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] [2022-10-15 22:07:12,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:07:12,191 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:07:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1753984199, now seen corresponding path program 1 times [2022-10-15 22:07:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512843377] [2022-10-15 22:07:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:12,342 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 22:07:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:12,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512843377] [2022-10-15 22:07:12,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512843377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:12,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:12,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:12,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291657657] [2022-10-15 22:07:12,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:12,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:07:12,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:12,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:07:12,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:07:12,345 INFO L87 Difference]: Start difference. First operand 62658 states and 104045 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 22:07:21,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:07:21,304 INFO L93 Difference]: Finished difference Result 175295 states and 292431 transitions. [2022-10-15 22:07:21,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:07:21,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-15 22:07:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:07:21,560 INFO L225 Difference]: With dead ends: 175295 [2022-10-15 22:07:21,560 INFO L226 Difference]: Without dead ends: 112882 [2022-10-15 22:07:21,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:07:21,664 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 892 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:07:21,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1877 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:07:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112882 states.