/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:24:37,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:24:37,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:24:37,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:24:37,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:24:38,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:24:38,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:24:38,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:24:38,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:24:38,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:24:38,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:24:38,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:24:38,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:24:38,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:24:38,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:24:38,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:24:38,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:24:38,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:24:38,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:24:38,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:24:38,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:24:38,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:24:38,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:24:38,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:24:38,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:24:38,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:24:38,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:24:38,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:24:38,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:24:38,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:24:38,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:24:38,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:24:38,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:24:38,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:24:38,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:24:38,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:24:38,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:24:38,169 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:24:38,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:24:38,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:24:38,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:24:38,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:24:38,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:24:38,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:24:38,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:24:38,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:24:38,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:24:38,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:24:38,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:24:38,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:24:38,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:24:38,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:24:38,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:24:38,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:24:38,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:24:38,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:38,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:24:38,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:24:38,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:24:38,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:24:38,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:24:38,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:24:38,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:24:38,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:24:38,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:24:38,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:24:38,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:24:38,643 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:24:38,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:24:38,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146408ab/bedf0c927a974cb19ef587899f1e2218/FLAGe97cf90b4 [2022-10-15 22:24:39,600 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:24:39,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:24:39,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146408ab/bedf0c927a974cb19ef587899f1e2218/FLAGe97cf90b4 [2022-10-15 22:24:39,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146408ab/bedf0c927a974cb19ef587899f1e2218 [2022-10-15 22:24:39,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:24:39,738 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:24:39,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:39,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:24:39,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:24:39,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:39" (1/1) ... [2022-10-15 22:24:39,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ad033e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:39, skipping insertion in model container [2022-10-15 22:24:39,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:39" (1/1) ... [2022-10-15 22:24:39,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:24:39,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:24:40,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[39479,39492] [2022-10-15 22:24:41,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:41,054 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:24:41,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[39479,39492] [2022-10-15 22:24:41,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:41,781 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:24:41,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41 WrapperNode [2022-10-15 22:24:41,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:41,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:41,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:24:41,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:24:41,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:41,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,029 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5441 [2022-10-15 22:24:42,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:42,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:24:42,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:24:42,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:24:42,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:24:42,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:24:42,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:24:42,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:24:42,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (1/1) ... [2022-10-15 22:24:42,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:42,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:24:42,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:24:42,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:24:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:24:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:24:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:24:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:24:42,882 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:24:42,885 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:24:46,848 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:24:46,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:24:46,887 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:24:46,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:46 BoogieIcfgContainer [2022-10-15 22:24:46,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:24:46,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:24:46,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:24:46,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:24:46,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:24:39" (1/3) ... [2022-10-15 22:24:46,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4058ce2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:46, skipping insertion in model container [2022-10-15 22:24:46,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:41" (2/3) ... [2022-10-15 22:24:46,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4058ce2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:46, skipping insertion in model container [2022-10-15 22:24:46,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:46" (3/3) ... [2022-10-15 22:24:46,906 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:24:46,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:24:46,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 208 error locations. [2022-10-15 22:24:47,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:24:47,067 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;@66fbb65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:24:47,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 208 error locations. [2022-10-15 22:24:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 1938 states, 1729 states have (on average 1.8039329091960672) internal successors, (3119), 1937 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 22:24:47,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:47,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:47,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:47,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1840242396, now seen corresponding path program 1 times [2022-10-15 22:24:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:47,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738156776] [2022-10-15 22:24:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:47,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:47,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738156776] [2022-10-15 22:24:47,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738156776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:47,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:47,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:47,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851124580] [2022-10-15 22:24:47,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:47,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:48,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:48,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:48,039 INFO L87 Difference]: Start difference. First operand has 1938 states, 1729 states have (on average 1.8039329091960672) internal successors, (3119), 1937 states have internal predecessors, (3119), 0 states have call successors, (0), 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 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:48,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:48,600 INFO L93 Difference]: Finished difference Result 4254 states and 6580 transitions. [2022-10-15 22:24:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:48,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-15 22:24:48,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:48,638 INFO L225 Difference]: With dead ends: 4254 [2022-10-15 22:24:48,638 INFO L226 Difference]: Without dead ends: 2866 [2022-10-15 22:24:48,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:48,652 INFO L413 NwaCegarLoop]: 4492 mSDtfsCounter, 1621 mSDsluCounter, 2839 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 7331 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:48,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 7331 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:24:48,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2866 states. [2022-10-15 22:24:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2712. [2022-10-15 22:24:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2506 states have (on average 1.7242617717478053) internal successors, (4321), 2711 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 4321 transitions. [2022-10-15 22:24:48,910 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 4321 transitions. Word has length 171 [2022-10-15 22:24:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:48,912 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 4321 transitions. [2022-10-15 22:24:48,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 4321 transitions. [2022-10-15 22:24:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-15 22:24:48,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:48,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:48,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:24:48,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:48,924 INFO L85 PathProgramCache]: Analyzing trace with hash -234435728, now seen corresponding path program 1 times [2022-10-15 22:24:48,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:48,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959255410] [2022-10-15 22:24:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:48,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:49,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:49,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959255410] [2022-10-15 22:24:49,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959255410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:49,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:49,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091466900] [2022-10-15 22:24:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:49,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:49,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:49,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:49,247 INFO L87 Difference]: Start difference. First operand 2712 states and 4321 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:49,531 INFO L93 Difference]: Finished difference Result 6362 states and 9955 transitions. [2022-10-15 22:24:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2022-10-15 22:24:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:49,629 INFO L225 Difference]: With dead ends: 6362 [2022-10-15 22:24:49,629 INFO L226 Difference]: Without dead ends: 4234 [2022-10-15 22:24:49,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:49,635 INFO L413 NwaCegarLoop]: 4227 mSDtfsCounter, 1525 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 6891 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:49,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 6891 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2022-10-15 22:24:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 4082. [2022-10-15 22:24:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 3878 states have (on average 1.7184115523465704) internal successors, (6664), 4081 states have internal predecessors, (6664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 6664 transitions. [2022-10-15 22:24:49,951 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 6664 transitions. Word has length 179 [2022-10-15 22:24:49,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:49,954 INFO L495 AbstractCegarLoop]: Abstraction has 4082 states and 6664 transitions. [2022-10-15 22:24:49,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 6664 transitions. [2022-10-15 22:24:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 22:24:49,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:49,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:49,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:24:49,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:49,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:49,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1367721749, now seen corresponding path program 1 times [2022-10-15 22:24:49,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:49,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058305158] [2022-10-15 22:24:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:50,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:50,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058305158] [2022-10-15 22:24:50,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058305158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:50,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:50,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:50,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107494684] [2022-10-15 22:24:50,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:50,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:50,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:50,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:50,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:50,287 INFO L87 Difference]: Start difference. First operand 4082 states and 6664 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:50,876 INFO L93 Difference]: Finished difference Result 10060 states and 16293 transitions. [2022-10-15 22:24:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:50,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 187 [2022-10-15 22:24:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:50,923 INFO L225 Difference]: With dead ends: 10060 [2022-10-15 22:24:50,924 INFO L226 Difference]: Without dead ends: 6590 [2022-10-15 22:24:50,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:50,942 INFO L413 NwaCegarLoop]: 4137 mSDtfsCounter, 1494 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 6735 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:50,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 6735 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:50,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2022-10-15 22:24:51,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 6440. [2022-10-15 22:24:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6440 states, 6238 states have (on average 1.7148124398845783) internal successors, (10697), 6439 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6440 states to 6440 states and 10697 transitions. [2022-10-15 22:24:51,487 INFO L78 Accepts]: Start accepts. Automaton has 6440 states and 10697 transitions. Word has length 187 [2022-10-15 22:24:51,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:51,488 INFO L495 AbstractCegarLoop]: Abstraction has 6440 states and 10697 transitions. [2022-10-15 22:24:51,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6440 states and 10697 transitions. [2022-10-15 22:24:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-15 22:24:51,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:51,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:51,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:24:51,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:51,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:51,495 INFO L85 PathProgramCache]: Analyzing trace with hash -934653875, now seen corresponding path program 1 times [2022-10-15 22:24:51,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:51,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328217468] [2022-10-15 22:24:51,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328217468] [2022-10-15 22:24:51,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328217468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:51,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:51,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751443913] [2022-10-15 22:24:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:51,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:51,771 INFO L87 Difference]: Start difference. First operand 6440 states and 10697 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:52,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:52,804 INFO L93 Difference]: Finished difference Result 16326 states and 27031 transitions. [2022-10-15 22:24:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:52,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-10-15 22:24:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:52,895 INFO L225 Difference]: With dead ends: 16326 [2022-10-15 22:24:52,895 INFO L226 Difference]: Without dead ends: 10526 [2022-10-15 22:24:52,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:52,919 INFO L413 NwaCegarLoop]: 4047 mSDtfsCounter, 1463 mSDsluCounter, 2532 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:52,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 6579 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:24:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10526 states. [2022-10-15 22:24:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10526 to 10378. [2022-10-15 22:24:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10378 states, 10178 states have (on average 1.7129101984672823) internal successors, (17434), 10377 states have internal predecessors, (17434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10378 states to 10378 states and 17434 transitions. [2022-10-15 22:24:53,938 INFO L78 Accepts]: Start accepts. Automaton has 10378 states and 17434 transitions. Word has length 195 [2022-10-15 22:24:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:53,938 INFO L495 AbstractCegarLoop]: Abstraction has 10378 states and 17434 transitions. [2022-10-15 22:24:53,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10378 states and 17434 transitions. [2022-10-15 22:24:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-15 22:24:53,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:53,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:53,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:24:53,944 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:53,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 444480150, now seen corresponding path program 1 times [2022-10-15 22:24:53,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:53,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494522199] [2022-10-15 22:24:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:53,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:54,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:54,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494522199] [2022-10-15 22:24:54,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494522199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:54,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:54,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:54,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175390643] [2022-10-15 22:24:54,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:54,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:54,181 INFO L87 Difference]: Start difference. First operand 10378 states and 17434 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:55,393 INFO L93 Difference]: Finished difference Result 27182 states and 45629 transitions. [2022-10-15 22:24:55,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:55,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2022-10-15 22:24:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:55,508 INFO L225 Difference]: With dead ends: 27182 [2022-10-15 22:24:55,509 INFO L226 Difference]: Without dead ends: 17472 [2022-10-15 22:24:55,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:55,530 INFO L413 NwaCegarLoop]: 4027 mSDtfsCounter, 1461 mSDsluCounter, 2512 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:55,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 6539 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17472 states. [2022-10-15 22:24:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17472 to 17324. [2022-10-15 22:24:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17324 states, 17126 states have (on average 1.7126591147962162) internal successors, (29331), 17323 states have internal predecessors, (29331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17324 states to 17324 states and 29331 transitions. [2022-10-15 22:24:56,841 INFO L78 Accepts]: Start accepts. Automaton has 17324 states and 29331 transitions. Word has length 203 [2022-10-15 22:24:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:56,841 INFO L495 AbstractCegarLoop]: Abstraction has 17324 states and 29331 transitions. [2022-10-15 22:24:56,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17324 states and 29331 transitions. [2022-10-15 22:24:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-15 22:24:56,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:56,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:56,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:24:56,846 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:24:56,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:56,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1039705138, now seen corresponding path program 1 times [2022-10-15 22:24:56,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:56,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902802829] [2022-10-15 22:24:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:57,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:57,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902802829] [2022-10-15 22:24:57,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902802829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:57,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:57,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:57,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118879499] [2022-10-15 22:24:57,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:57,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:57,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:57,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:57,250 INFO L87 Difference]: Start difference. First operand 17324 states and 29331 transitions. Second operand has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:59,707 INFO L93 Difference]: Finished difference Result 24605 states and 41987 transitions. [2022-10-15 22:24:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:59,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 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 210 [2022-10-15 22:24:59,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:59,782 INFO L225 Difference]: With dead ends: 24605 [2022-10-15 22:24:59,782 INFO L226 Difference]: Without dead ends: 24596 [2022-10-15 22:24:59,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:59,796 INFO L413 NwaCegarLoop]: 2682 mSDtfsCounter, 2655 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 3324 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:59,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 3324 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:59,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24596 states. [2022-10-15 22:25:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24596 to 24534. [2022-10-15 22:25:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24342 states have (on average 1.7155944458138197) internal successors, (41761), 24533 states have internal predecessors, (41761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 41761 transitions. [2022-10-15 22:25:01,776 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 41761 transitions. Word has length 210 [2022-10-15 22:25:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:01,777 INFO L495 AbstractCegarLoop]: Abstraction has 24534 states and 41761 transitions. [2022-10-15 22:25:01,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 41761 transitions. [2022-10-15 22:25:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-15 22:25:01,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:01,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:01,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:25:01,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:01,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2128879782, now seen corresponding path program 1 times [2022-10-15 22:25:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:01,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629083130] [2022-10-15 22:25:01,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:01,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:02,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:02,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629083130] [2022-10-15 22:25:02,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629083130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:02,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:02,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:02,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867716929] [2022-10-15 22:25:02,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:02,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:02,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:02,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:02,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:02,179 INFO L87 Difference]: Start difference. First operand 24534 states and 41761 transitions. Second operand has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:04,714 INFO L93 Difference]: Finished difference Result 24599 states and 41761 transitions. [2022-10-15 22:25:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-10-15 22:25:04,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:04,807 INFO L225 Difference]: With dead ends: 24599 [2022-10-15 22:25:04,807 INFO L226 Difference]: Without dead ends: 24590 [2022-10-15 22:25:04,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:04,819 INFO L413 NwaCegarLoop]: 2685 mSDtfsCounter, 2645 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 3327 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:04,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2645 Valid, 3327 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:25:04,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24590 states. [2022-10-15 22:25:06,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24590 to 24528. [2022-10-15 22:25:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24528 states, 24342 states have (on average 1.7063100813408922) internal successors, (41535), 24527 states have internal predecessors, (41535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24528 states to 24528 states and 41535 transitions. [2022-10-15 22:25:06,480 INFO L78 Accepts]: Start accepts. Automaton has 24528 states and 41535 transitions. Word has length 211 [2022-10-15 22:25:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:06,481 INFO L495 AbstractCegarLoop]: Abstraction has 24528 states and 41535 transitions. [2022-10-15 22:25:06,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24528 states and 41535 transitions. [2022-10-15 22:25:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-15 22:25:06,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:06,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:06,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:25:06,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:06,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1570764496, now seen corresponding path program 1 times [2022-10-15 22:25:06,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:06,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749792743] [2022-10-15 22:25:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:06,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:06,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749792743] [2022-10-15 22:25:06,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749792743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:06,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:06,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:06,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401768785] [2022-10-15 22:25:06,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:06,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:06,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:06,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:06,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:06,913 INFO L87 Difference]: Start difference. First operand 24528 states and 41535 transitions. Second operand has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:09,169 INFO L93 Difference]: Finished difference Result 30731 states and 52231 transitions. [2022-10-15 22:25:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-10-15 22:25:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:09,250 INFO L225 Difference]: With dead ends: 30731 [2022-10-15 22:25:09,251 INFO L226 Difference]: Without dead ends: 30722 [2022-10-15 22:25:09,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:09,262 INFO L413 NwaCegarLoop]: 2666 mSDtfsCounter, 2633 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:09,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 3300 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:25:09,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30722 states. [2022-10-15 22:25:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30722 to 30666. [2022-10-15 22:25:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30666 states, 30486 states have (on average 1.7058649872072427) internal successors, (52005), 30665 states have internal predecessors, (52005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30666 states to 30666 states and 52005 transitions. [2022-10-15 22:25:11,521 INFO L78 Accepts]: Start accepts. Automaton has 30666 states and 52005 transitions. Word has length 212 [2022-10-15 22:25:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:11,522 INFO L495 AbstractCegarLoop]: Abstraction has 30666 states and 52005 transitions. [2022-10-15 22:25:11,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30666 states and 52005 transitions. [2022-10-15 22:25:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-10-15 22:25:11,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:11,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:11,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:25:11,528 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1449059816, now seen corresponding path program 1 times [2022-10-15 22:25:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:11,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638406785] [2022-10-15 22:25:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:11,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:11,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:11,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638406785] [2022-10-15 22:25:11,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638406785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:11,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:11,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:11,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317084496] [2022-10-15 22:25:11,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:11,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:11,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:11,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:11,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:11,903 INFO L87 Difference]: Start difference. First operand 30666 states and 52005 transitions. Second operand has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:14,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:14,285 INFO L93 Difference]: Finished difference Result 30725 states and 52005 transitions. [2022-10-15 22:25:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:14,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 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 213 [2022-10-15 22:25:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:14,354 INFO L225 Difference]: With dead ends: 30725 [2022-10-15 22:25:14,354 INFO L226 Difference]: Without dead ends: 30716 [2022-10-15 22:25:14,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:14,367 INFO L413 NwaCegarLoop]: 2669 mSDtfsCounter, 2623 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 3303 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:14,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 3303 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:25:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30716 states. [2022-10-15 22:25:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30716 to 30660. [2022-10-15 22:25:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30660 states, 30486 states have (on average 1.698451748343502) internal successors, (51779), 30659 states have internal predecessors, (51779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30660 states to 30660 states and 51779 transitions. [2022-10-15 22:25:16,604 INFO L78 Accepts]: Start accepts. Automaton has 30660 states and 51779 transitions. Word has length 213 [2022-10-15 22:25:16,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:16,604 INFO L495 AbstractCegarLoop]: Abstraction has 30660 states and 51779 transitions. [2022-10-15 22:25:16,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 30660 states and 51779 transitions. [2022-10-15 22:25:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-15 22:25:16,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:16,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:16,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:25:16,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:16,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:16,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1971182034, now seen corresponding path program 1 times [2022-10-15 22:25:16,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:16,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493704624] [2022-10-15 22:25:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:17,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:17,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493704624] [2022-10-15 22:25:17,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493704624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:17,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:17,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273590414] [2022-10-15 22:25:17,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:17,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:17,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:17,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:17,043 INFO L87 Difference]: Start difference. First operand 30660 states and 51779 transitions. Second operand has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:19,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:19,846 INFO L93 Difference]: Finished difference Result 36505 states and 61699 transitions. [2022-10-15 22:25:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:19,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-10-15 22:25:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:19,908 INFO L225 Difference]: With dead ends: 36505 [2022-10-15 22:25:19,908 INFO L226 Difference]: Without dead ends: 36496 [2022-10-15 22:25:19,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:19,921 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2611 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:19,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 3276 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:25:19,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36496 states. [2022-10-15 22:25:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36496 to 36446. [2022-10-15 22:25:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36446 states, 36278 states have (on average 1.6944980428910084) internal successors, (61473), 36445 states have internal predecessors, (61473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36446 states to 36446 states and 61473 transitions. [2022-10-15 22:25:22,673 INFO L78 Accepts]: Start accepts. Automaton has 36446 states and 61473 transitions. Word has length 214 [2022-10-15 22:25:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:22,673 INFO L495 AbstractCegarLoop]: Abstraction has 36446 states and 61473 transitions. [2022-10-15 22:25:22,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 36446 states and 61473 transitions. [2022-10-15 22:25:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-15 22:25:22,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:22,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:22,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:25:22,679 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:22,680 INFO L85 PathProgramCache]: Analyzing trace with hash 977101610, now seen corresponding path program 1 times [2022-10-15 22:25:22,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:22,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350558707] [2022-10-15 22:25:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:25:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:25:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:25:23,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:25:23,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350558707] [2022-10-15 22:25:23,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350558707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:25:23,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:25:23,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:25:23,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362958483] [2022-10-15 22:25:23,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:25:23,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:25:23,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:25:23,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:25:23,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:23,108 INFO L87 Difference]: Start difference. First operand 36446 states and 61473 transitions. Second operand has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:26,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:26,195 INFO L93 Difference]: Finished difference Result 36499 states and 61473 transitions. [2022-10-15 22:25:26,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:25:26,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-15 22:25:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:26,269 INFO L225 Difference]: With dead ends: 36499 [2022-10-15 22:25:26,270 INFO L226 Difference]: Without dead ends: 36490 [2022-10-15 22:25:26,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:25:26,287 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 2601 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2601 SdHoareTripleChecker+Valid, 3279 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:26,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2601 Valid, 3279 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:25:26,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36490 states. [2022-10-15 22:25:28,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36490 to 36440. [2022-10-15 22:25:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36440 states, 36278 states have (on average 1.6882683720160978) internal successors, (61247), 36439 states have internal predecessors, (61247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36440 states to 36440 states and 61247 transitions. [2022-10-15 22:25:29,009 INFO L78 Accepts]: Start accepts. Automaton has 36440 states and 61247 transitions. Word has length 215 [2022-10-15 22:25:29,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:25:29,009 INFO L495 AbstractCegarLoop]: Abstraction has 36440 states and 61247 transitions. [2022-10-15 22:25:29,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:25:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 36440 states and 61247 transitions. [2022-10-15 22:25:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-10-15 22:25:29,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:25:29,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:25:29,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:25:29,014 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 205 more)] === [2022-10-15 22:25:29,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:25:29,015 INFO L85 PathProgramCache]: Analyzing trace with hash 225379540, now seen corresponding path program 1 times [2022-10-15 22:25:29,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:25:29,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432405090] [2022-10-15 22:25:29,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:25:29,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms