/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:49:30,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:49:30,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:49:30,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:49:30,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:49:30,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:49:30,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:49:30,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:49:30,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:49:30,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:49:30,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:49:30,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:49:30,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:49:30,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:49:30,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:49:30,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:49:30,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:49:30,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:49:30,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:49:30,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:49:30,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:49:30,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:49:30,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:49:30,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:49:30,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:49:30,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:49:30,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:49:30,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:49:30,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:49:30,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:49:30,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:49:30,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:49:30,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:49:30,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:49:30,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:49:30,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:49:30,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:49:30,296 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:49:30,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:49:30,297 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:49:30,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:49:30,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:49:30,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:49:30,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:49:30,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:49:30,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:49:30,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:49:30,299 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:49:30,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:49:30,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:49:30,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:49:30,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:49:30,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:49:30,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:49:30,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:49:30,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:49:30,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:49:30,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:49:30,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:49:30,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:49:30,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:49:30,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:49:30,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:49:30,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:49:30,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:49:30,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:49:30,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:49:30,688 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:49:30,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:49:30,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1282d0367/70b60cce47464092bf30f173b9779137/FLAG3cdb3effa [2022-10-16 16:49:31,458 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:49:31,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:49:31,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1282d0367/70b60cce47464092bf30f173b9779137/FLAG3cdb3effa [2022-10-16 16:49:31,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1282d0367/70b60cce47464092bf30f173b9779137 [2022-10-16 16:49:31,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:49:31,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:49:31,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:49:31,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:49:31,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:49:31,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:49:31" (1/1) ... [2022-10-16 16:49:31,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54755bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:31, skipping insertion in model container [2022-10-16 16:49:31,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:49:31" (1/1) ... [2022-10-16 16:49:31,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:49:31,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:49:32,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13672,13685] [2022-10-16 16:49:32,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:49:32,127 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:49:32,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13672,13685] [2022-10-16 16:49:32,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:49:32,365 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:49:32,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32 WrapperNode [2022-10-16 16:49:32,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:49:32,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:49:32,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:49:32,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:49:32,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,494 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1412 [2022-10-16 16:49:32,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:49:32,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:49:32,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:49:32,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:49:32,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:49:32,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:49:32,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:49:32,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:49:32,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (1/1) ... [2022-10-16 16:49:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:49:32,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:49:32,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:49:32,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:49:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:49:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:49:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:49:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:49:32,934 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:49:32,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:49:34,136 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:49:34,150 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:49:34,150 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:49:34,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:49:34 BoogieIcfgContainer [2022-10-16 16:49:34,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:49:34,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:49:34,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:49:34,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:49:34,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:49:31" (1/3) ... [2022-10-16 16:49:34,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449859e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:49:34, skipping insertion in model container [2022-10-16 16:49:34,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:49:32" (2/3) ... [2022-10-16 16:49:34,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449859e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:49:34, skipping insertion in model container [2022-10-16 16:49:34,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:49:34" (3/3) ... [2022-10-16 16:49:34,164 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:49:34,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:49:34,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-16 16:49:34,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:49:34,270 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;@2ce7daa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:49:34,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-16 16:49:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:49:34,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:34,300 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] [2022-10-16 16:49:34,301 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)] === [2022-10-16 16:49:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash -840164483, now seen corresponding path program 1 times [2022-10-16 16:49:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:34,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242151639] [2022-10-16 16:49:34,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:34,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242151639] [2022-10-16 16:49:34,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242151639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:34,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:34,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:34,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60912109] [2022-10-16 16:49:34,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:34,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:34,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:34,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:34,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:34,974 INFO L87 Difference]: Start difference. First operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 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 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:35,135 INFO L93 Difference]: Finished difference Result 888 states and 1340 transitions. [2022-10-16 16:49:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:35,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-16 16:49:35,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:35,172 INFO L225 Difference]: With dead ends: 888 [2022-10-16 16:49:35,173 INFO L226 Difference]: Without dead ends: 639 [2022-10-16 16:49:35,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:35,182 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 327 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1636 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 [2022-10-16 16:49:35,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1636 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-10-16 16:49:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 593. [2022-10-16 16:49:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 545 states have (on average 1.7229357798165137) internal successors, (939), 592 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 939 transitions. [2022-10-16 16:49:35,375 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 939 transitions. Word has length 100 [2022-10-16 16:49:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:35,376 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 939 transitions. [2022-10-16 16:49:35,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 939 transitions. [2022-10-16 16:49:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:49:35,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:35,393 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] [2022-10-16 16:49:35,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:49:35,394 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)] === [2022-10-16 16:49:35,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash -892951534, now seen corresponding path program 1 times [2022-10-16 16:49:35,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:35,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014935620] [2022-10-16 16:49:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:35,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:35,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014935620] [2022-10-16 16:49:35,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014935620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:35,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:35,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:35,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755582212] [2022-10-16 16:49:35,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:35,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:35,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:35,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:35,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:35,721 INFO L87 Difference]: Start difference. First operand 593 states and 939 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:35,838 INFO L93 Difference]: Finished difference Result 1197 states and 1862 transitions. [2022-10-16 16:49:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:35,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:49:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:35,848 INFO L225 Difference]: With dead ends: 1197 [2022-10-16 16:49:35,848 INFO L226 Difference]: Without dead ends: 797 [2022-10-16 16:49:35,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:35,858 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 286 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1245 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 [2022-10-16 16:49:35,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1245 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-10-16 16:49:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 762. [2022-10-16 16:49:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 714 states have (on average 1.719887955182073) internal successors, (1228), 761 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1228 transitions. [2022-10-16 16:49:35,933 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1228 transitions. Word has length 104 [2022-10-16 16:49:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:35,937 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1228 transitions. [2022-10-16 16:49:35,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1228 transitions. [2022-10-16 16:49:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:49:35,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:35,940 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] [2022-10-16 16:49:35,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:49:35,941 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)] === [2022-10-16 16:49:35,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:35,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1382178472, now seen corresponding path program 1 times [2022-10-16 16:49:35,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:35,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119081397] [2022-10-16 16:49:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:36,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:36,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119081397] [2022-10-16 16:49:36,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119081397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:36,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:36,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:36,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897428700] [2022-10-16 16:49:36,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:36,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:36,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:36,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:36,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:36,206 INFO L87 Difference]: Start difference. First operand 762 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:36,295 INFO L93 Difference]: Finished difference Result 1798 states and 2889 transitions. [2022-10-16 16:49:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:36,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:49:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:36,305 INFO L225 Difference]: With dead ends: 1798 [2022-10-16 16:49:36,305 INFO L226 Difference]: Without dead ends: 1231 [2022-10-16 16:49:36,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:36,308 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 309 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:36,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1510 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2022-10-16 16:49:36,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1185. [2022-10-16 16:49:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1137 states have (on average 1.735268249780123) internal successors, (1973), 1184 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1973 transitions. [2022-10-16 16:49:36,411 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1973 transitions. Word has length 107 [2022-10-16 16:49:36,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:36,412 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1973 transitions. [2022-10-16 16:49:36,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:36,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1973 transitions. [2022-10-16 16:49:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:49:36,414 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:36,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:36,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:49:36,415 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)] === [2022-10-16 16:49:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash -478183673, now seen corresponding path program 1 times [2022-10-16 16:49:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:36,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544525726] [2022-10-16 16:49:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:36,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:36,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:36,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544525726] [2022-10-16 16:49:36,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544525726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:36,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:36,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755046244] [2022-10-16 16:49:36,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:36,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:36,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:36,593 INFO L87 Difference]: Start difference. First operand 1185 states and 1973 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) [2022-10-16 16:49:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:36,714 INFO L93 Difference]: Finished difference Result 2732 states and 4524 transitions. [2022-10-16 16:49:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:36,715 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 [2022-10-16 16:49:36,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:36,727 INFO L225 Difference]: With dead ends: 2732 [2022-10-16 16:49:36,728 INFO L226 Difference]: Without dead ends: 1742 [2022-10-16 16:49:36,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:36,732 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 311 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1259 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 [2022-10-16 16:49:36,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-10-16 16:49:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1693. [2022-10-16 16:49:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1645 states have (on average 1.7349544072948329) internal successors, (2854), 1692 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2854 transitions. [2022-10-16 16:49:36,842 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2854 transitions. Word has length 111 [2022-10-16 16:49:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:36,842 INFO L495 AbstractCegarLoop]: Abstraction has 1693 states and 2854 transitions. [2022-10-16 16:49:36,843 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) [2022-10-16 16:49:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2854 transitions. [2022-10-16 16:49:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:49:36,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:36,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:36,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:49:36,845 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)] === [2022-10-16 16:49:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1323241060, now seen corresponding path program 1 times [2022-10-16 16:49:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:36,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090643676] [2022-10-16 16:49:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:36,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:36,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090643676] [2022-10-16 16:49:36,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090643676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:36,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:36,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:36,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116940769] [2022-10-16 16:49:36,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:36,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:36,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:36,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:36,974 INFO L87 Difference]: Start difference. First operand 1693 states and 2854 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) [2022-10-16 16:49:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:37,190 INFO L93 Difference]: Finished difference Result 4355 states and 7369 transitions. [2022-10-16 16:49:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:37,191 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 [2022-10-16 16:49:37,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:37,209 INFO L225 Difference]: With dead ends: 4355 [2022-10-16 16:49:37,209 INFO L226 Difference]: Without dead ends: 2879 [2022-10-16 16:49:37,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:37,214 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 302 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:37,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1477 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:37,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-10-16 16:49:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2833. [2022-10-16 16:49:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2785 states have (on average 1.7432675044883303) internal successors, (4855), 2832 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 4855 transitions. [2022-10-16 16:49:37,439 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 4855 transitions. Word has length 114 [2022-10-16 16:49:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:37,439 INFO L495 AbstractCegarLoop]: Abstraction has 2833 states and 4855 transitions. [2022-10-16 16:49:37,440 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) [2022-10-16 16:49:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 4855 transitions. [2022-10-16 16:49:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:49:37,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:37,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:37,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:49:37,442 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)] === [2022-10-16 16:49:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash -81521139, now seen corresponding path program 1 times [2022-10-16 16:49:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:37,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320726971] [2022-10-16 16:49:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:37,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:37,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320726971] [2022-10-16 16:49:37,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320726971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:37,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:37,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:37,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189104431] [2022-10-16 16:49:37,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:37,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:37,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:37,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:37,681 INFO L87 Difference]: Start difference. First operand 2833 states and 4855 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:38,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:38,057 INFO L93 Difference]: Finished difference Result 6855 states and 11738 transitions. [2022-10-16 16:49:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:38,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:49:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:38,094 INFO L225 Difference]: With dead ends: 6855 [2022-10-16 16:49:38,094 INFO L226 Difference]: Without dead ends: 4239 [2022-10-16 16:49:38,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:38,101 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 304 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1259 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 [2022-10-16 16:49:38,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2022-10-16 16:49:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4184. [2022-10-16 16:49:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4184 states, 4136 states have (on average 1.739845261121857) internal successors, (7196), 4183 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 7196 transitions. [2022-10-16 16:49:38,598 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 7196 transitions. Word has length 118 [2022-10-16 16:49:38,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:38,599 INFO L495 AbstractCegarLoop]: Abstraction has 4184 states and 7196 transitions. [2022-10-16 16:49:38,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 7196 transitions. [2022-10-16 16:49:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:49:38,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:38,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:38,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:49:38,603 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)] === [2022-10-16 16:49:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1240581009, now seen corresponding path program 1 times [2022-10-16 16:49:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:38,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692404442] [2022-10-16 16:49:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:38,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:38,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692404442] [2022-10-16 16:49:38,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692404442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:38,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:38,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:38,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706891462] [2022-10-16 16:49:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:38,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:38,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:38,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:38,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:38,774 INFO L87 Difference]: Start difference. First operand 4184 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) 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) [2022-10-16 16:49:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:39,402 INFO L93 Difference]: Finished difference Result 11208 states and 19337 transitions. [2022-10-16 16:49:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:39,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) 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 [2022-10-16 16:49:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:39,447 INFO L225 Difference]: With dead ends: 11208 [2022-10-16 16:49:39,448 INFO L226 Difference]: Without dead ends: 7263 [2022-10-16 16:49:39,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:39,458 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 295 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:39,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1444 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:39,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2022-10-16 16:49:40,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 7217. [2022-10-16 16:49:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7217 states, 7169 states have (on average 1.7431998884084252) internal successors, (12497), 7216 states have internal predecessors, (12497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7217 states to 7217 states and 12497 transitions. [2022-10-16 16:49:40,086 INFO L78 Accepts]: Start accepts. Automaton has 7217 states and 12497 transitions. Word has length 121 [2022-10-16 16:49:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:40,087 INFO L495 AbstractCegarLoop]: Abstraction has 7217 states and 12497 transitions. [2022-10-16 16:49:40,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) 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) [2022-10-16 16:49:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7217 states and 12497 transitions. [2022-10-16 16:49:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:49:40,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:40,089 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] [2022-10-16 16:49:40,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:49:40,090 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)] === [2022-10-16 16:49:40,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash 247001831, now seen corresponding path program 1 times [2022-10-16 16:49:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:40,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631158930] [2022-10-16 16:49:40,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:40,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:40,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:40,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631158930] [2022-10-16 16:49:40,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631158930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:40,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:40,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:40,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656013724] [2022-10-16 16:49:40,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:40,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:40,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:40,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:40,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:40,279 INFO L87 Difference]: Start difference. First operand 7217 states and 12497 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) 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) [2022-10-16 16:49:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:41,093 INFO L93 Difference]: Finished difference Result 17890 states and 30972 transitions. [2022-10-16 16:49:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:49:41,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) 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 [2022-10-16 16:49:41,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:41,149 INFO L225 Difference]: With dead ends: 17890 [2022-10-16 16:49:41,149 INFO L226 Difference]: Without dead ends: 10912 [2022-10-16 16:49:41,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:41,165 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 297 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1263 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 [2022-10-16 16:49:41,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1263 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:49:41,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10912 states. [2022-10-16 16:49:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10912 to 10839. [2022-10-16 16:49:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10839 states, 10791 states have (on average 1.7375590770086182) internal successors, (18750), 10838 states have internal predecessors, (18750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10839 states to 10839 states and 18750 transitions. [2022-10-16 16:49:42,103 INFO L78 Accepts]: Start accepts. Automaton has 10839 states and 18750 transitions. Word has length 124 [2022-10-16 16:49:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:42,104 INFO L495 AbstractCegarLoop]: Abstraction has 10839 states and 18750 transitions. [2022-10-16 16:49:42,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) 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) [2022-10-16 16:49:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 10839 states and 18750 transitions. [2022-10-16 16:49:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:49:42,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:42,107 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] [2022-10-16 16:49:42,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:49:42,109 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)] === [2022-10-16 16:49:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1736640606, now seen corresponding path program 1 times [2022-10-16 16:49:42,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:42,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346845324] [2022-10-16 16:49:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:42,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:42,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:42,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346845324] [2022-10-16 16:49:42,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346845324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:42,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:42,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:42,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697668875] [2022-10-16 16:49:42,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:42,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:49:42,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:42,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:49:42,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:49:42,325 INFO L87 Difference]: Start difference. First operand 10839 states and 18750 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) [2022-10-16 16:49:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:44,170 INFO L93 Difference]: Finished difference Result 25044 states and 43554 transitions. [2022-10-16 16:49:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:49:44,172 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 [2022-10-16 16:49:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:44,323 INFO L225 Difference]: With dead ends: 25044 [2022-10-16 16:49:44,323 INFO L226 Difference]: Without dead ends: 25041 [2022-10-16 16:49:44,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:49:44,333 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1000 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:44,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1862 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:49:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25041 states. [2022-10-16 16:49:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25041 to 20223. [2022-10-16 16:49:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20223 states, 20175 states have (on average 1.7323420074349443) internal successors, (34950), 20222 states have internal predecessors, (34950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20223 states to 20223 states and 34950 transitions. [2022-10-16 16:49:45,802 INFO L78 Accepts]: Start accepts. Automaton has 20223 states and 34950 transitions. Word has length 127 [2022-10-16 16:49:45,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:45,803 INFO L495 AbstractCegarLoop]: Abstraction has 20223 states and 34950 transitions. [2022-10-16 16:49:45,803 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-10-16 16:49:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20223 states and 34950 transitions. [2022-10-16 16:49:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:49:45,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:45,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:45,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:49:45,806 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)] === [2022-10-16 16:49:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:45,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1998715605, now seen corresponding path program 1 times [2022-10-16 16:49:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:45,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65610447] [2022-10-16 16:49:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:46,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:46,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65610447] [2022-10-16 16:49:46,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65610447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:46,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:46,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042419963] [2022-10-16 16:49:46,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:46,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:49:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:46,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:49:46,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:49:46,004 INFO L87 Difference]: Start difference. First operand 20223 states and 34950 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:47,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:47,707 INFO L93 Difference]: Finished difference Result 24996 states and 43338 transitions. [2022-10-16 16:49:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:49:47,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 16:49:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:47,790 INFO L225 Difference]: With dead ends: 24996 [2022-10-16 16:49:47,791 INFO L226 Difference]: Without dead ends: 24993 [2022-10-16 16:49:47,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:49:47,806 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 997 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:47,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1473 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:49:47,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24993 states. [2022-10-16 16:49:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24993 to 24951. [2022-10-16 16:49:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24951 states, 24903 states have (on average 1.7258161667269003) internal successors, (42978), 24950 states have internal predecessors, (42978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24951 states to 24951 states and 42978 transitions. [2022-10-16 16:49:49,420 INFO L78 Accepts]: Start accepts. Automaton has 24951 states and 42978 transitions. Word has length 128 [2022-10-16 16:49:49,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:49,421 INFO L495 AbstractCegarLoop]: Abstraction has 24951 states and 42978 transitions. [2022-10-16 16:49:49,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 24951 states and 42978 transitions. [2022-10-16 16:49:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:49:49,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:49,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:49,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:49:49,424 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)] === [2022-10-16 16:49:49,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:49,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1830641152, now seen corresponding path program 1 times [2022-10-16 16:49:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:49,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030797727] [2022-10-16 16:49:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:49,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:49,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:49,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030797727] [2022-10-16 16:49:49,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030797727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:49,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:49,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:49:49,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897559253] [2022-10-16 16:49:49,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:49,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:49:49,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:49,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:49:49,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:49:49,711 INFO L87 Difference]: Start difference. First operand 24951 states and 42978 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:52,041 INFO L93 Difference]: Finished difference Result 36735 states and 63084 transitions. [2022-10-16 16:49:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:49:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 16:49:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:52,143 INFO L225 Difference]: With dead ends: 36735 [2022-10-16 16:49:52,143 INFO L226 Difference]: Without dead ends: 36732 [2022-10-16 16:49:52,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:49:52,157 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1682 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:52,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 2785 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:49:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36732 states. [2022-10-16 16:49:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36732 to 31881. [2022-10-16 16:49:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31881 states, 31833 states have (on average 1.714824238997267) internal successors, (54588), 31880 states have internal predecessors, (54588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31881 states to 31881 states and 54588 transitions. [2022-10-16 16:49:54,158 INFO L78 Accepts]: Start accepts. Automaton has 31881 states and 54588 transitions. Word has length 129 [2022-10-16 16:49:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:54,159 INFO L495 AbstractCegarLoop]: Abstraction has 31881 states and 54588 transitions. [2022-10-16 16:49:54,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 31881 states and 54588 transitions. [2022-10-16 16:49:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:49:54,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:54,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:54,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:49:54,163 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)] === [2022-10-16 16:49:54,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:54,164 INFO L85 PathProgramCache]: Analyzing trace with hash -915300403, now seen corresponding path program 1 times [2022-10-16 16:49:54,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:54,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365874230] [2022-10-16 16:49:54,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:54,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:54,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:54,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365874230] [2022-10-16 16:49:54,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365874230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:54,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:54,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:49:54,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250237061] [2022-10-16 16:49:54,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:54,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:49:54,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:54,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:49:54,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:49:54,405 INFO L87 Difference]: Start difference. First operand 31881 states and 54588 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:57,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:57,029 INFO L93 Difference]: Finished difference Result 36525 states and 62496 transitions. [2022-10-16 16:49:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:49:57,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 16:49:57,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:57,127 INFO L225 Difference]: With dead ends: 36525 [2022-10-16 16:49:57,127 INFO L226 Difference]: Without dead ends: 36522 [2022-10-16 16:49:57,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:49:57,140 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1885 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:57,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2135 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:49:57,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36522 states. [2022-10-16 16:49:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36522 to 36441. [2022-10-16 16:49:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36441 states, 36393 states have (on average 1.704723435825571) internal successors, (62040), 36440 states have internal predecessors, (62040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36441 states to 36441 states and 62040 transitions. [2022-10-16 16:49:59,498 INFO L78 Accepts]: Start accepts. Automaton has 36441 states and 62040 transitions. Word has length 130 [2022-10-16 16:49:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:59,498 INFO L495 AbstractCegarLoop]: Abstraction has 36441 states and 62040 transitions. [2022-10-16 16:49:59,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 36441 states and 62040 transitions. [2022-10-16 16:49:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 16:49:59,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:59,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:59,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:49:59,502 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)] === [2022-10-16 16:49:59,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:59,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1690459042, now seen corresponding path program 1 times [2022-10-16 16:49:59,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:59,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261588064] [2022-10-16 16:49:59,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:59,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:50:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:50:00,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:50:00,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261588064] [2022-10-16 16:50:00,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261588064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:50:00,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:50:00,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:50:00,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601740366] [2022-10-16 16:50:00,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:50:00,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:50:00,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:50:00,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:50:00,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:50:00,010 INFO L87 Difference]: Start difference. First operand 36441 states and 62040 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:06,525 INFO L93 Difference]: Finished difference Result 120437 states and 205593 transitions. [2022-10-16 16:50:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:50:06,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 16:50:06,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:06,739 INFO L225 Difference]: With dead ends: 120437 [2022-10-16 16:50:06,739 INFO L226 Difference]: Without dead ends: 84257 [2022-10-16 16:50:06,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:50:06,816 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 2916 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:06,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2916 Valid, 5312 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:50:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84257 states. [2022-10-16 16:50:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84257 to 68313. [2022-10-16 16:50:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68313 states, 68265 states have (on average 1.6899582509338607) internal successors, (115365), 68312 states have internal predecessors, (115365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68313 states to 68313 states and 115365 transitions. [2022-10-16 16:50:12,075 INFO L78 Accepts]: Start accepts. Automaton has 68313 states and 115365 transitions. Word has length 131 [2022-10-16 16:50:12,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:50:12,075 INFO L495 AbstractCegarLoop]: Abstraction has 68313 states and 115365 transitions. [2022-10-16 16:50:12,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68313 states and 115365 transitions. [2022-10-16 16:50:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:50:12,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:50:12,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:50:12,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:50:12,079 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)] === [2022-10-16 16:50:12,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:50:12,079 INFO L85 PathProgramCache]: Analyzing trace with hash 864623215, now seen corresponding path program 1 times [2022-10-16 16:50:12,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:50:12,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804961655] [2022-10-16 16:50:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:50:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:50:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:50:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:50:12,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:50:12,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804961655] [2022-10-16 16:50:12,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804961655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:50:12,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:50:12,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:50:12,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305525853] [2022-10-16 16:50:12,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:50:12,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:50:12,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:50:12,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:50:12,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:50:12,340 INFO L87 Difference]: Start difference. First operand 68313 states and 115365 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:18,437 INFO L93 Difference]: Finished difference Result 93630 states and 158703 transitions. [2022-10-16 16:50:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:50:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 16:50:18,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:18,622 INFO L225 Difference]: With dead ends: 93630 [2022-10-16 16:50:18,623 INFO L226 Difference]: Without dead ends: 93627 [2022-10-16 16:50:18,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:50:18,646 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 3280 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3280 SdHoareTripleChecker+Valid, 3479 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:18,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 3479 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:50:18,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93627 states. [2022-10-16 16:50:24,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93627 to 93435. [2022-10-16 16:50:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93435 states, 93387 states have (on average 1.6838639211025088) internal successors, (157251), 93434 states have internal predecessors, (157251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93435 states to 93435 states and 157251 transitions. [2022-10-16 16:50:25,354 INFO L78 Accepts]: Start accepts. Automaton has 93435 states and 157251 transitions. Word has length 132 [2022-10-16 16:50:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:50:25,354 INFO L495 AbstractCegarLoop]: Abstraction has 93435 states and 157251 transitions. [2022-10-16 16:50:25,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 93435 states and 157251 transitions. [2022-10-16 16:50:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:50:25,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:50:25,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:50:25,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:50:25,357 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)] === [2022-10-16 16:50:25,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:50:25,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1974236465, now seen corresponding path program 1 times [2022-10-16 16:50:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:50:25,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099052621] [2022-10-16 16:50:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:50:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:50:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:50:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:50:25,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:50:25,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099052621] [2022-10-16 16:50:25,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099052621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:50:25,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:50:25,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:50:25,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326063106] [2022-10-16 16:50:25,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:50:25,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:50:25,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:50:25,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:50:25,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:50:25,755 INFO L87 Difference]: Start difference. First operand 93435 states and 157251 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:37,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:37,148 INFO L93 Difference]: Finished difference Result 259831 states and 438099 transitions. [2022-10-16 16:50:37,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:50:37,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:50:37,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:37,520 INFO L225 Difference]: With dead ends: 259831 [2022-10-16 16:50:37,520 INFO L226 Difference]: Without dead ends: 166657 [2022-10-16 16:50:37,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:50:37,626 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 982 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:37,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 1806 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:50:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166657 states. [2022-10-16 16:50:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166657 to 142860. [2022-10-16 16:50:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142860 states, 142812 states have (on average 1.6761406604487017) internal successors, (239373), 142859 states have internal predecessors, (239373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142860 states to 142860 states and 239373 transitions. [2022-10-16 16:50:48,424 INFO L78 Accepts]: Start accepts. Automaton has 142860 states and 239373 transitions. Word has length 134 [2022-10-16 16:50:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:50:48,425 INFO L495 AbstractCegarLoop]: Abstraction has 142860 states and 239373 transitions. [2022-10-16 16:50:48,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 142860 states and 239373 transitions. [2022-10-16 16:50:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:50:48,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:50:48,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:50:48,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:50:48,427 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:50:48,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:50:48,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1071788743, now seen corresponding path program 1 times [2022-10-16 16:50:48,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:50:48,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808045266] [2022-10-16 16:50:48,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:50:48,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:50:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:50:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:50:48,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:50:48,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808045266] [2022-10-16 16:50:48,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808045266] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:50:48,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:50:48,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:50:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136484198] [2022-10-16 16:50:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:50:48,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:50:48,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:50:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:50:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:50:48,579 INFO L87 Difference]: Start difference. First operand 142860 states and 239373 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:00,786 INFO L93 Difference]: Finished difference Result 187973 states and 317229 transitions. [2022-10-16 16:51:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:51:00,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 16:51:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:01,229 INFO L225 Difference]: With dead ends: 187973 [2022-10-16 16:51:01,229 INFO L226 Difference]: Without dead ends: 187972 [2022-10-16 16:51:01,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:51:01,287 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 979 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:01,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 1437 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:51:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187972 states. [2022-10-16 16:51:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187972 to 187755. [2022-10-16 16:51:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187755 states, 187707 states have (on average 1.6823027377774937) internal successors, (315780), 187754 states have internal predecessors, (315780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187755 states to 187755 states and 315780 transitions. [2022-10-16 16:51:15,555 INFO L78 Accepts]: Start accepts. Automaton has 187755 states and 315780 transitions. Word has length 135 [2022-10-16 16:51:15,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:15,556 INFO L495 AbstractCegarLoop]: Abstraction has 187755 states and 315780 transitions. [2022-10-16 16:51:15,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 187755 states and 315780 transitions. [2022-10-16 16:51:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:51:15,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:15,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:15,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:51:15,559 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:51:15,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash -803153815, now seen corresponding path program 1 times [2022-10-16 16:51:15,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:15,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235161780] [2022-10-16 16:51:15,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:51:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:16,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235161780] [2022-10-16 16:51:16,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235161780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:16,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:16,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:16,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324308536] [2022-10-16 16:51:16,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:16,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:51:16,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:16,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:51:16,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:51:16,252 INFO L87 Difference]: Start difference. First operand 187755 states and 315780 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:36,783 INFO L93 Difference]: Finished difference Result 473891 states and 798369 transitions. [2022-10-16 16:51:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:51:36,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:51:36,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:37,858 INFO L225 Difference]: With dead ends: 473891 [2022-10-16 16:51:37,858 INFO L226 Difference]: Without dead ends: 286397 [2022-10-16 16:51:38,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:51:38,122 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 988 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:38,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 2005 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:51:38,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286397 states. [2022-10-16 16:51:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286397 to 257716.