/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:09:39,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:09:39,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:09:40,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:09:40,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:09:40,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:09:40,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:09:40,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:09:40,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:09:40,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:09:40,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:09:40,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:09:40,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:09:40,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:09:40,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:09:40,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:09:40,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:09:40,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:09:40,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:09:40,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:09:40,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:09:40,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:09:40,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:09:40,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:09:40,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:09:40,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:09:40,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:09:40,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:09:40,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:09:40,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:09:40,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:09:40,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:09:40,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:09:40,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:09:40,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:09:40,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:09:40,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:09:40,175 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:09:40,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:09:40,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:09:40,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:09:40,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:09:40,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:09:40,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:09:40,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:09:40,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:09:40,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:09:40,179 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:09:40,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:09:40,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:09:40,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:09:40,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:09:40,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:09:40,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:09:40,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:09:40,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:09:40,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:09:40,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:09:40,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:09:40,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:09:40,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:09:40,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:09:40,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:09:40,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:09:40,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:09:40,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:09:40,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:09:40,636 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:09:40,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:09:40,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ade31b5/a9aea818522249e1b0881da8d7d717b8/FLAGffad45b20 [2022-10-16 16:09:41,984 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:09:41,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:09:42,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ade31b5/a9aea818522249e1b0881da8d7d717b8/FLAGffad45b20 [2022-10-16 16:09:42,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ade31b5/a9aea818522249e1b0881da8d7d717b8 [2022-10-16 16:09:42,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:09:42,200 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:09:42,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:09:42,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:09:42,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:09:42,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:09:42" (1/1) ... [2022-10-16 16:09:42,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c8e9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:42, skipping insertion in model container [2022-10-16 16:09:42,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:09:42" (1/1) ... [2022-10-16 16:09:42,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:09:42,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:09:43,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20004,20017] [2022-10-16 16:09:45,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:09:45,141 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:09:45,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20004,20017] [2022-10-16 16:09:46,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:09:46,623 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:09:46,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46 WrapperNode [2022-10-16 16:09:46,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:09:46,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:09:46,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:09:46,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:09:46,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:46,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,248 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24416 [2022-10-16 16:09:47,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:09:47,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:09:47,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:09:47,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:09:47,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:47,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:48,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:09:48,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:09:48,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:09:48,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:09:48,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (1/1) ... [2022-10-16 16:09:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:09:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:09:48,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:09:48,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:09:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:09:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:09:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:09:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:09:49,175 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:09:49,178 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:10:03,033 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:10:03,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:10:03,123 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:10:03,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:03 BoogieIcfgContainer [2022-10-16 16:10:03,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:10:03,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:10:03,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:10:03,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:10:03,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:09:42" (1/3) ... [2022-10-16 16:10:03,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb77445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:03, skipping insertion in model container [2022-10-16 16:10:03,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:09:46" (2/3) ... [2022-10-16 16:10:03,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb77445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:03, skipping insertion in model container [2022-10-16 16:10:03,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:03" (3/3) ... [2022-10-16 16:10:03,151 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:10:03,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:10:03,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4480 error locations. [2022-10-16 16:10:03,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:10:03,562 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;@e377598, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:10:03,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4480 error locations. [2022-10-16 16:10:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 11833 states, 7352 states have (on average 1.963683351468988) internal successors, (14437), 11832 states have internal predecessors, (14437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:10:03,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:03,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:10:03,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:03,613 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:10:03,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:03,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500076522] [2022-10-16 16:10:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:03,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:04,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500076522] [2022-10-16 16:10:04,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500076522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:04,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:04,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:10:04,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3292851] [2022-10-16 16:10:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:04,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:10:04,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:04,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:10:04,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:04,250 INFO L87 Difference]: Start difference. First operand has 11833 states, 7352 states have (on average 1.963683351468988) internal successors, (14437), 11832 states have internal predecessors, (14437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:04,510 INFO L93 Difference]: Finished difference Result 11836 states and 14439 transitions. [2022-10-16 16:10:04,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:10:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:10:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:04,599 INFO L225 Difference]: With dead ends: 11836 [2022-10-16 16:10:04,600 INFO L226 Difference]: Without dead ends: 11822 [2022-10-16 16:10:04,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:04,619 INFO L413 NwaCegarLoop]: 14428 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14428 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:04,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14428 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:04,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11822 states. [2022-10-16 16:10:04,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11822 to 11822. [2022-10-16 16:10:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11822 states, 7350 states have (on average 1.7131972789115646) internal successors, (12592), 11821 states have internal predecessors, (12592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11822 states to 11822 states and 12592 transitions. [2022-10-16 16:10:05,016 INFO L78 Accepts]: Start accepts. Automaton has 11822 states and 12592 transitions. Word has length 4 [2022-10-16 16:10:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:05,017 INFO L495 AbstractCegarLoop]: Abstraction has 11822 states and 12592 transitions. [2022-10-16 16:10:05,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 11822 states and 12592 transitions. [2022-10-16 16:10:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:10:05,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:05,033 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] [2022-10-16 16:10:05,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:10:05,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2370ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:05,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1371526626, now seen corresponding path program 1 times [2022-10-16 16:10:05,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:05,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912373713] [2022-10-16 16:10:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:05,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:05,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912373713] [2022-10-16 16:10:05,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912373713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:05,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:05,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:05,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349871340] [2022-10-16 16:10:05,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:05,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:05,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:05,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:05,421 INFO L87 Difference]: Start difference. First operand 11822 states and 12592 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:13,616 INFO L93 Difference]: Finished difference Result 12102 states and 12990 transitions. [2022-10-16 16:10:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:10:13,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 16:10:13,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:13,672 INFO L225 Difference]: With dead ends: 12102 [2022-10-16 16:10:13,672 INFO L226 Difference]: Without dead ends: 11661 [2022-10-16 16:10:13,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:13,680 INFO L413 NwaCegarLoop]: 5102 mSDtfsCounter, 23787 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 7471 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23787 SdHoareTripleChecker+Valid, 6001 SdHoareTripleChecker+Invalid, 7924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 7471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:13,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23787 Valid, 6001 Invalid, 7924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [453 Valid, 7471 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-10-16 16:10:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11661 states. [2022-10-16 16:10:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11661 to 11504. [2022-10-16 16:10:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11504 states, 7471 states have (on average 1.6530584928389773) internal successors, (12350), 11503 states have internal predecessors, (12350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 12350 transitions. [2022-10-16 16:10:13,981 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 12350 transitions. Word has length 60 [2022-10-16 16:10:13,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:13,983 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 12350 transitions. [2022-10-16 16:10:13,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 12350 transitions. [2022-10-16 16:10:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:10:13,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:13,994 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] [2022-10-16 16:10:13,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:10:13,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2371ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:14,008 INFO L85 PathProgramCache]: Analyzing trace with hash -432335136, now seen corresponding path program 1 times [2022-10-16 16:10:14,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:14,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397840563] [2022-10-16 16:10:14,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:14,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:14,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:14,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397840563] [2022-10-16 16:10:14,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397840563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:14,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:14,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82183650] [2022-10-16 16:10:14,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:14,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:14,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:14,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:14,346 INFO L87 Difference]: Start difference. First operand 11504 states and 12350 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:21,720 INFO L93 Difference]: Finished difference Result 11643 states and 12549 transitions. [2022-10-16 16:10:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:10:21,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 16:10:21,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:21,784 INFO L225 Difference]: With dead ends: 11643 [2022-10-16 16:10:21,785 INFO L226 Difference]: Without dead ends: 11197 [2022-10-16 16:10:21,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:21,801 INFO L413 NwaCegarLoop]: 4945 mSDtfsCounter, 23366 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 6872 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23366 SdHoareTripleChecker+Valid, 5220 SdHoareTripleChecker+Invalid, 7332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 6872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:21,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23366 Valid, 5220 Invalid, 7332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 6872 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 16:10:21,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11197 states. [2022-10-16 16:10:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11197 to 11181. [2022-10-16 16:10:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11181 states, 7592 states have (on average 1.5939146469968388) internal successors, (12101), 11180 states have internal predecessors, (12101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11181 states to 11181 states and 12101 transitions. [2022-10-16 16:10:22,161 INFO L78 Accepts]: Start accepts. Automaton has 11181 states and 12101 transitions. Word has length 61 [2022-10-16 16:10:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:22,162 INFO L495 AbstractCegarLoop]: Abstraction has 11181 states and 12101 transitions. [2022-10-16 16:10:22,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11181 states and 12101 transitions. [2022-10-16 16:10:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:10:22,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:22,167 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] [2022-10-16 16:10:22,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:10:22,169 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2372ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:22,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash -517474908, now seen corresponding path program 1 times [2022-10-16 16:10:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:22,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783340361] [2022-10-16 16:10:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:22,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:22,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:22,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783340361] [2022-10-16 16:10:22,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783340361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:22,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:22,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:22,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618931407] [2022-10-16 16:10:22,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:22,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:22,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:22,579 INFO L87 Difference]: Start difference. First operand 11181 states and 12101 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:29,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:29,965 INFO L93 Difference]: Finished difference Result 11471 states and 12493 transitions. [2022-10-16 16:10:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:10:29,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 16:10:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:30,003 INFO L225 Difference]: With dead ends: 11471 [2022-10-16 16:10:30,004 INFO L226 Difference]: Without dead ends: 11033 [2022-10-16 16:10:30,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:10:30,021 INFO L413 NwaCegarLoop]: 5112 mSDtfsCounter, 33103 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 6879 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33103 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 7339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 6879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:30,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33103 Valid, 6614 Invalid, 7339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 6879 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-10-16 16:10:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11033 states. [2022-10-16 16:10:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11033 to 10866. [2022-10-16 16:10:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10866 states, 7713 states have (on average 1.5374043822118502) internal successors, (11858), 10865 states have internal predecessors, (11858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10866 states to 10866 states and 11858 transitions. [2022-10-16 16:10:30,266 INFO L78 Accepts]: Start accepts. Automaton has 10866 states and 11858 transitions. Word has length 62 [2022-10-16 16:10:30,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:30,266 INFO L495 AbstractCegarLoop]: Abstraction has 10866 states and 11858 transitions. [2022-10-16 16:10:30,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 10866 states and 11858 transitions. [2022-10-16 16:10:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:10:30,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:30,271 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] [2022-10-16 16:10:30,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:10:30,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2373ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:30,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1138159458, now seen corresponding path program 1 times [2022-10-16 16:10:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:30,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937467864] [2022-10-16 16:10:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:30,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:30,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937467864] [2022-10-16 16:10:30,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937467864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:30,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:30,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:30,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076991417] [2022-10-16 16:10:30,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:30,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:30,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:30,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:30,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:30,606 INFO L87 Difference]: Start difference. First operand 10866 states and 11858 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:37,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:37,804 INFO L93 Difference]: Finished difference Result 11019 states and 12055 transitions. [2022-10-16 16:10:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:37,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 16:10:37,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:37,830 INFO L225 Difference]: With dead ends: 11019 [2022-10-16 16:10:37,830 INFO L226 Difference]: Without dead ends: 10577 [2022-10-16 16:10:37,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:10:37,836 INFO L413 NwaCegarLoop]: 4951 mSDtfsCounter, 32255 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32255 SdHoareTripleChecker+Valid, 5733 SdHoareTripleChecker+Invalid, 6670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 6196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:37,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32255 Valid, 5733 Invalid, 6670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [474 Valid, 6196 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-16 16:10:37,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10577 states. [2022-10-16 16:10:38,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10577 to 10547. [2022-10-16 16:10:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10547 states, 7834 states have (on average 1.481873883073781) internal successors, (11609), 10546 states have internal predecessors, (11609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10547 states to 10547 states and 11609 transitions. [2022-10-16 16:10:38,074 INFO L78 Accepts]: Start accepts. Automaton has 10547 states and 11609 transitions. Word has length 63 [2022-10-16 16:10:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:38,074 INFO L495 AbstractCegarLoop]: Abstraction has 10547 states and 11609 transitions. [2022-10-16 16:10:38,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 10547 states and 11609 transitions. [2022-10-16 16:10:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:10:38,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:38,079 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] [2022-10-16 16:10:38,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:10:38,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2374ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash 923217254, now seen corresponding path program 1 times [2022-10-16 16:10:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:38,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886913650] [2022-10-16 16:10:38,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:38,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:38,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886913650] [2022-10-16 16:10:38,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886913650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:38,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:38,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:38,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995949356] [2022-10-16 16:10:38,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:38,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:38,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:38,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:38,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:38,335 INFO L87 Difference]: Start difference. First operand 10547 states and 11609 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:45,386 INFO L93 Difference]: Finished difference Result 10964 states and 12192 transitions. [2022-10-16 16:10:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:10:45,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:10:45,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:45,420 INFO L225 Difference]: With dead ends: 10964 [2022-10-16 16:10:45,421 INFO L226 Difference]: Without dead ends: 10528 [2022-10-16 16:10:45,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:10:45,429 INFO L413 NwaCegarLoop]: 5119 mSDtfsCounter, 40515 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 6318 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40515 SdHoareTripleChecker+Valid, 7390 SdHoareTripleChecker+Invalid, 6789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 6318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:45,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40515 Valid, 7390 Invalid, 6789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [471 Valid, 6318 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 16:10:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10528 states. [2022-10-16 16:10:45,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10528 to 10234. [2022-10-16 16:10:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10234 states, 7955 states have (on average 1.4285355122564425) internal successors, (11364), 10233 states have internal predecessors, (11364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10234 states to 10234 states and 11364 transitions. [2022-10-16 16:10:45,733 INFO L78 Accepts]: Start accepts. Automaton has 10234 states and 11364 transitions. Word has length 64 [2022-10-16 16:10:45,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:45,735 INFO L495 AbstractCegarLoop]: Abstraction has 10234 states and 11364 transitions. [2022-10-16 16:10:45,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 10234 states and 11364 transitions. [2022-10-16 16:10:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:10:45,741 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:45,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:45,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:10:45,742 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2375ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:45,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:45,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1445023772, now seen corresponding path program 1 times [2022-10-16 16:10:45,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:45,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189050248] [2022-10-16 16:10:45,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:45,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:46,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:46,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189050248] [2022-10-16 16:10:46,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189050248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:46,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:46,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:46,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697854395] [2022-10-16 16:10:46,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:46,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:46,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:46,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:46,063 INFO L87 Difference]: Start difference. First operand 10234 states and 11364 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:52,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:52,994 INFO L93 Difference]: Finished difference Result 10520 states and 11752 transitions. [2022-10-16 16:10:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:10:52,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:10:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:53,025 INFO L225 Difference]: With dead ends: 10520 [2022-10-16 16:10:53,025 INFO L226 Difference]: Without dead ends: 10081 [2022-10-16 16:10:53,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:10:53,030 INFO L413 NwaCegarLoop]: 4962 mSDtfsCounter, 39437 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 5603 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39437 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 5603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:53,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39437 Valid, 6319 Invalid, 6097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [494 Valid, 5603 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 16:10:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2022-10-16 16:10:53,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 10039. [2022-10-16 16:10:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10039 states, 8197 states have (on average 1.3794071001585946) internal successors, (11307), 10038 states have internal predecessors, (11307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10039 states to 10039 states and 11307 transitions. [2022-10-16 16:10:53,300 INFO L78 Accepts]: Start accepts. Automaton has 10039 states and 11307 transitions. Word has length 65 [2022-10-16 16:10:53,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:53,300 INFO L495 AbstractCegarLoop]: Abstraction has 10039 states and 11307 transitions. [2022-10-16 16:10:53,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 10039 states and 11307 transitions. [2022-10-16 16:10:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:10:53,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:53,309 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] [2022-10-16 16:10:53,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:10:53,310 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2376ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:10:53,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:53,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1846051544, now seen corresponding path program 1 times [2022-10-16 16:10:53,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:53,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756154332] [2022-10-16 16:10:53,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:53,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:53,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:53,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756154332] [2022-10-16 16:10:53,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756154332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:53,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:53,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:10:53,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118661823] [2022-10-16 16:10:53,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:53,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:10:53,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:53,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:10:53,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:10:53,651 INFO L87 Difference]: Start difference. First operand 10039 states and 11307 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:00,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:00,196 INFO L93 Difference]: Finished difference Result 11565 states and 13623 transitions. [2022-10-16 16:11:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:11:00,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 16:11:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:00,219 INFO L225 Difference]: With dead ends: 11565 [2022-10-16 16:11:00,219 INFO L226 Difference]: Without dead ends: 10144 [2022-10-16 16:11:00,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:11:00,227 INFO L413 NwaCegarLoop]: 5124 mSDtfsCounter, 46165 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 5816 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46165 SdHoareTripleChecker+Valid, 8310 SdHoareTripleChecker+Invalid, 6303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 5816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:00,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46165 Valid, 8310 Invalid, 6303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [487 Valid, 5816 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:11:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10144 states. [2022-10-16 16:11:00,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10144 to 9727. [2022-10-16 16:11:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9727 states, 8318 states have (on average 1.3292858860302958) internal successors, (11057), 9726 states have internal predecessors, (11057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9727 states to 9727 states and 11057 transitions. [2022-10-16 16:11:00,506 INFO L78 Accepts]: Start accepts. Automaton has 9727 states and 11057 transitions. Word has length 66 [2022-10-16 16:11:00,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:00,507 INFO L495 AbstractCegarLoop]: Abstraction has 9727 states and 11057 transitions. [2022-10-16 16:11:00,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9727 states and 11057 transitions. [2022-10-16 16:11:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:11:00,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:00,515 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] [2022-10-16 16:11:00,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:11:00,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2377ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:00,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1393010586, now seen corresponding path program 1 times [2022-10-16 16:11:00,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:00,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139064232] [2022-10-16 16:11:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:00,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:00,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:00,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139064232] [2022-10-16 16:11:00,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139064232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:00,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:00,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:11:00,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011097877] [2022-10-16 16:11:00,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:00,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:11:00,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:00,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:11:00,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:00,773 INFO L87 Difference]: Start difference. First operand 9727 states and 11057 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:07,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:07,179 INFO L93 Difference]: Finished difference Result 10666 states and 12416 transitions. [2022-10-16 16:11:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:11:07,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:11:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:07,199 INFO L225 Difference]: With dead ends: 10666 [2022-10-16 16:11:07,199 INFO L226 Difference]: Without dead ends: 10229 [2022-10-16 16:11:07,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:11:07,204 INFO L413 NwaCegarLoop]: 4999 mSDtfsCounter, 45056 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 5174 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45056 SdHoareTripleChecker+Valid, 7680 SdHoareTripleChecker+Invalid, 5706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 5174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:07,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45056 Valid, 7680 Invalid, 5706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [532 Valid, 5174 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 16:11:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10229 states. [2022-10-16 16:11:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10229 to 10141. [2022-10-16 16:11:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10141 states, 9167 states have (on average 1.305007090651249) internal successors, (11963), 10140 states have internal predecessors, (11963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10141 states to 10141 states and 11963 transitions. [2022-10-16 16:11:07,610 INFO L78 Accepts]: Start accepts. Automaton has 10141 states and 11963 transitions. Word has length 67 [2022-10-16 16:11:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:07,611 INFO L495 AbstractCegarLoop]: Abstraction has 10141 states and 11963 transitions. [2022-10-16 16:11:07,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 10141 states and 11963 transitions. [2022-10-16 16:11:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:11:07,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:07,639 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] [2022-10-16 16:11:07,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:11:07,639 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2378ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:07,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:07,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1702485483, now seen corresponding path program 1 times [2022-10-16 16:11:07,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:07,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268709281] [2022-10-16 16:11:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:07,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:07,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268709281] [2022-10-16 16:11:07,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268709281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:07,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:07,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:11:07,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729522082] [2022-10-16 16:11:07,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:07,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:07,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:07,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:07,892 INFO L87 Difference]: Start difference. First operand 10141 states and 11963 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:10,194 INFO L93 Difference]: Finished difference Result 10141 states and 11963 transitions. [2022-10-16 16:11:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:11:10,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:11:10,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:10,214 INFO L225 Difference]: With dead ends: 10141 [2022-10-16 16:11:10,214 INFO L226 Difference]: Without dead ends: 9277 [2022-10-16 16:11:10,219 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 [2022-10-16 16:11:10,220 INFO L413 NwaCegarLoop]: 6933 mSDtfsCounter, 6947 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6947 SdHoareTripleChecker+Valid, 7742 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 863 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:10,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6947 Valid, 7742 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [863 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:11:10,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9277 states. [2022-10-16 16:11:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9277 to 9277. [2022-10-16 16:11:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9277 states, 9167 states have (on average 1.2107559725100905) internal successors, (11099), 9276 states have internal predecessors, (11099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9277 states to 9277 states and 11099 transitions. [2022-10-16 16:11:10,544 INFO L78 Accepts]: Start accepts. Automaton has 9277 states and 11099 transitions. Word has length 71 [2022-10-16 16:11:10,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:10,544 INFO L495 AbstractCegarLoop]: Abstraction has 9277 states and 11099 transitions. [2022-10-16 16:11:10,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9277 states and 11099 transitions. [2022-10-16 16:11:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:11:10,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:10,562 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] [2022-10-16 16:11:10,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:11:10,563 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2075225047, now seen corresponding path program 1 times [2022-10-16 16:11:10,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461141028] [2022-10-16 16:11:10,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:10,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:10,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:10,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461141028] [2022-10-16 16:11:10,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461141028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:10,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:10,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:11:10,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289788657] [2022-10-16 16:11:10,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:10,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:10,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:10,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:10,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:10,772 INFO L87 Difference]: Start difference. First operand 9277 states and 11099 transitions. Second operand has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:11,452 INFO L93 Difference]: Finished difference Result 9277 states and 11099 transitions. [2022-10-16 16:11:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:11:11,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:11:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:11,471 INFO L225 Difference]: With dead ends: 9277 [2022-10-16 16:11:11,471 INFO L226 Difference]: Without dead ends: 9275 [2022-10-16 16:11:11,475 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 [2022-10-16 16:11:11,476 INFO L413 NwaCegarLoop]: 7781 mSDtfsCounter, 8151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8151 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:11,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8151 Valid, 7781 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:11:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9275 states. [2022-10-16 16:11:11,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9275 to 9275. [2022-10-16 16:11:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9275 states, 9167 states have (on average 1.2089014944911094) internal successors, (11082), 9274 states have internal predecessors, (11082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9275 states to 9275 states and 11082 transitions. [2022-10-16 16:11:11,794 INFO L78 Accepts]: Start accepts. Automaton has 9275 states and 11082 transitions. Word has length 76 [2022-10-16 16:11:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:11,795 INFO L495 AbstractCegarLoop]: Abstraction has 9275 states and 11082 transitions. [2022-10-16 16:11:11,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 9275 states and 11082 transitions. [2022-10-16 16:11:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:11:11,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:11,812 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] [2022-10-16 16:11:11,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:11:11,813 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:11,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:11,813 INFO L85 PathProgramCache]: Analyzing trace with hash -92532714, now seen corresponding path program 1 times [2022-10-16 16:11:11,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:11,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620268425] [2022-10-16 16:11:11,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:11,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:11,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620268425] [2022-10-16 16:11:11,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620268425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:11,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:11,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:11:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626231786] [2022-10-16 16:11:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:11,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:11,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:11,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:11,995 INFO L87 Difference]: Start difference. First operand 9275 states and 11082 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:12,731 INFO L93 Difference]: Finished difference Result 9275 states and 11082 transitions. [2022-10-16 16:11:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:11:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:11:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:12,749 INFO L225 Difference]: With dead ends: 9275 [2022-10-16 16:11:12,749 INFO L226 Difference]: Without dead ends: 9273 [2022-10-16 16:11:12,753 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 [2022-10-16 16:11:12,755 INFO L413 NwaCegarLoop]: 7781 mSDtfsCounter, 8148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8148 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:12,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8148 Valid, 7781 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:11:12,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9273 states. [2022-10-16 16:11:13,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9273 to 9273. [2022-10-16 16:11:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9273 states, 9167 states have (on average 1.2070470164721283) internal successors, (11065), 9272 states have internal predecessors, (11065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9273 states to 9273 states and 11065 transitions. [2022-10-16 16:11:13,193 INFO L78 Accepts]: Start accepts. Automaton has 9273 states and 11065 transitions. Word has length 77 [2022-10-16 16:11:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:13,194 INFO L495 AbstractCegarLoop]: Abstraction has 9273 states and 11065 transitions. [2022-10-16 16:11:13,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 9273 states and 11065 transitions. [2022-10-16 16:11:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:11:13,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:13,212 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] [2022-10-16 16:11:13,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:11:13,213 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:13,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:13,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1252968716, now seen corresponding path program 1 times [2022-10-16 16:11:13,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:13,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720867772] [2022-10-16 16:11:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:13,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:13,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720867772] [2022-10-16 16:11:13,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720867772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:13,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:13,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:13,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782712332] [2022-10-16 16:11:13,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:13,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:13,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:13,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:13,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:13,511 INFO L87 Difference]: Start difference. First operand 9273 states and 11065 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:19,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:19,315 INFO L93 Difference]: Finished difference Result 9545 states and 11457 transitions. [2022-10-16 16:11:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:11:19,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:11:19,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:19,335 INFO L225 Difference]: With dead ends: 9545 [2022-10-16 16:11:19,335 INFO L226 Difference]: Without dead ends: 9539 [2022-10-16 16:11:19,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:19,341 INFO L413 NwaCegarLoop]: 4371 mSDtfsCounter, 8101 mSDsluCounter, 4330 mSDsCounter, 0 mSdLazyCounter, 8314 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8101 SdHoareTripleChecker+Valid, 8701 SdHoareTripleChecker+Invalid, 8321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:19,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8101 Valid, 8701 Invalid, 8321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8314 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 16:11:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9539 states. [2022-10-16 16:11:19,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9539 to 9511. [2022-10-16 16:11:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9511 states, 9409 states have (on average 1.21681368902115) internal successors, (11449), 9510 states have internal predecessors, (11449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9511 states to 9511 states and 11449 transitions. [2022-10-16 16:11:19,679 INFO L78 Accepts]: Start accepts. Automaton has 9511 states and 11449 transitions. Word has length 94 [2022-10-16 16:11:19,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:19,679 INFO L495 AbstractCegarLoop]: Abstraction has 9511 states and 11449 transitions. [2022-10-16 16:11:19,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 9511 states and 11449 transitions. [2022-10-16 16:11:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:11:19,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:19,697 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] [2022-10-16 16:11:19,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:11:19,698 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:19,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:19,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1855849502, now seen corresponding path program 1 times [2022-10-16 16:11:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:19,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680082064] [2022-10-16 16:11:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:19,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:19,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:19,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680082064] [2022-10-16 16:11:19,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680082064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:19,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:19,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:19,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138790993] [2022-10-16 16:11:19,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:19,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:19,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:19,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:19,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:19,925 INFO L87 Difference]: Start difference. First operand 9511 states and 11449 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:25,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:25,797 INFO L93 Difference]: Finished difference Result 10265 states and 12601 transitions. [2022-10-16 16:11:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:11:25,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:11:25,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:25,813 INFO L225 Difference]: With dead ends: 10265 [2022-10-16 16:11:25,814 INFO L226 Difference]: Without dead ends: 10259 [2022-10-16 16:11:25,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:25,820 INFO L413 NwaCegarLoop]: 4390 mSDtfsCounter, 8081 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 8334 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8081 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 8341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:25,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8081 Valid, 8742 Invalid, 8341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8334 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 16:11:25,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10259 states. [2022-10-16 16:11:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10259 to 10233. [2022-10-16 16:11:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10233 states, 10135 states have (on average 1.2417365564874199) internal successors, (12585), 10232 states have internal predecessors, (12585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10233 states to 10233 states and 12585 transitions. [2022-10-16 16:11:26,283 INFO L78 Accepts]: Start accepts. Automaton has 10233 states and 12585 transitions. Word has length 94 [2022-10-16 16:11:26,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:26,284 INFO L495 AbstractCegarLoop]: Abstraction has 10233 states and 12585 transitions. [2022-10-16 16:11:26,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 10233 states and 12585 transitions. [2022-10-16 16:11:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:11:26,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:26,307 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] [2022-10-16 16:11:26,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:11:26,307 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:26,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash 187326029, now seen corresponding path program 1 times [2022-10-16 16:11:26,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:26,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146037212] [2022-10-16 16:11:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:26,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:26,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146037212] [2022-10-16 16:11:26,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146037212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:26,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:26,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:26,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291751396] [2022-10-16 16:11:26,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:26,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:26,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:26,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:26,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:26,545 INFO L87 Difference]: Start difference. First operand 10233 states and 12585 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:32,490 INFO L93 Difference]: Finished difference Result 10247 states and 12585 transitions. [2022-10-16 16:11:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:11:32,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:11:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:32,507 INFO L225 Difference]: With dead ends: 10247 [2022-10-16 16:11:32,507 INFO L226 Difference]: Without dead ends: 10241 [2022-10-16 16:11:32,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:32,516 INFO L413 NwaCegarLoop]: 4192 mSDtfsCounter, 8613 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 8207 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8613 SdHoareTripleChecker+Valid, 8101 SdHoareTripleChecker+Invalid, 8219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:32,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8613 Valid, 8101 Invalid, 8219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8207 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 16:11:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10241 states. [2022-10-16 16:11:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10241 to 10227. [2022-10-16 16:11:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10227 states, 10135 states have (on average 1.2405525407005427) internal successors, (12573), 10226 states have internal predecessors, (12573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10227 states to 10227 states and 12573 transitions. [2022-10-16 16:11:32,872 INFO L78 Accepts]: Start accepts. Automaton has 10227 states and 12573 transitions. Word has length 95 [2022-10-16 16:11:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:32,873 INFO L495 AbstractCegarLoop]: Abstraction has 10227 states and 12573 transitions. [2022-10-16 16:11:32,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10227 states and 12573 transitions. [2022-10-16 16:11:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:11:32,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:32,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:32,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:11:32,889 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:32,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1880659608, now seen corresponding path program 1 times [2022-10-16 16:11:32,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:32,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686948864] [2022-10-16 16:11:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:33,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:33,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686948864] [2022-10-16 16:11:33,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686948864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:33,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:33,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:33,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693025888] [2022-10-16 16:11:33,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:33,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:33,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:33,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:33,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:33,126 INFO L87 Difference]: Start difference. First operand 10227 states and 12573 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:37,420 INFO L93 Difference]: Finished difference Result 10499 states and 12961 transitions. [2022-10-16 16:11:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:11:37,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:11:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:37,431 INFO L225 Difference]: With dead ends: 10499 [2022-10-16 16:11:37,431 INFO L226 Difference]: Without dead ends: 10496 [2022-10-16 16:11:37,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:37,434 INFO L413 NwaCegarLoop]: 8347 mSDtfsCounter, 752 mSDsluCounter, 4159 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 12506 SdHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:37,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 12506 Invalid, 4276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4271 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 16:11:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10496 states. [2022-10-16 16:11:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10496 to 10226. [2022-10-16 16:11:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10226 states, 10135 states have (on average 1.2392698569314258) internal successors, (12560), 10225 states have internal predecessors, (12560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10226 states to 10226 states and 12560 transitions. [2022-10-16 16:11:37,814 INFO L78 Accepts]: Start accepts. Automaton has 10226 states and 12560 transitions. Word has length 96 [2022-10-16 16:11:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:37,815 INFO L495 AbstractCegarLoop]: Abstraction has 10226 states and 12560 transitions. [2022-10-16 16:11:37,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 10226 states and 12560 transitions. [2022-10-16 16:11:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:11:37,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:37,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:37,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:11:37,831 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:37,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:37,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1512141102, now seen corresponding path program 1 times [2022-10-16 16:11:37,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:37,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354632044] [2022-10-16 16:11:37,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:37,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:38,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:38,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354632044] [2022-10-16 16:11:38,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354632044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:38,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:38,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:38,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825261337] [2022-10-16 16:11:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:38,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:38,125 INFO L87 Difference]: Start difference. First operand 10226 states and 12560 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:44,687 INFO L93 Difference]: Finished difference Result 10746 states and 13328 transitions. [2022-10-16 16:11:44,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:11:44,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:11:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:44,702 INFO L225 Difference]: With dead ends: 10746 [2022-10-16 16:11:44,702 INFO L226 Difference]: Without dead ends: 10741 [2022-10-16 16:11:44,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:44,709 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 16075 mSDsluCounter, 4793 mSDsCounter, 0 mSdLazyCounter, 8579 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16075 SdHoareTripleChecker+Valid, 9165 SdHoareTripleChecker+Invalid, 8586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:44,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16075 Valid, 9165 Invalid, 8586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8579 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:11:44,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10741 states. [2022-10-16 16:11:45,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10741 to 10465. [2022-10-16 16:11:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10465 states, 10377 states have (on average 1.246699431434904) internal successors, (12937), 10464 states have internal predecessors, (12937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10465 states to 10465 states and 12937 transitions. [2022-10-16 16:11:45,040 INFO L78 Accepts]: Start accepts. Automaton has 10465 states and 12937 transitions. Word has length 96 [2022-10-16 16:11:45,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:45,041 INFO L495 AbstractCegarLoop]: Abstraction has 10465 states and 12937 transitions. [2022-10-16 16:11:45,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 10465 states and 12937 transitions. [2022-10-16 16:11:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:11:45,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:45,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:45,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:11:45,054 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:45,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash 932145681, now seen corresponding path program 1 times [2022-10-16 16:11:45,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:45,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328066244] [2022-10-16 16:11:45,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:45,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:45,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328066244] [2022-10-16 16:11:45,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328066244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:45,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:45,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:45,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753974183] [2022-10-16 16:11:45,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:45,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:45,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:45,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:45,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:45,313 INFO L87 Difference]: Start difference. First operand 10465 states and 12937 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:51,786 INFO L93 Difference]: Finished difference Result 10499 states and 12937 transitions. [2022-10-16 16:11:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:11:51,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:11:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:51,797 INFO L225 Difference]: With dead ends: 10499 [2022-10-16 16:11:51,798 INFO L226 Difference]: Without dead ends: 10494 [2022-10-16 16:11:51,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:51,801 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 16073 mSDsluCounter, 4960 mSDsCounter, 0 mSdLazyCounter, 8549 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16073 SdHoareTripleChecker+Valid, 9329 SdHoareTripleChecker+Invalid, 8556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:51,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16073 Valid, 9329 Invalid, 8556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8549 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 16:11:51,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10494 states. [2022-10-16 16:11:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10494 to 10462. [2022-10-16 16:11:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10462 states, 10377 states have (on average 1.2456393948154572) internal successors, (12926), 10461 states have internal predecessors, (12926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10462 states to 10462 states and 12926 transitions. [2022-10-16 16:11:52,106 INFO L78 Accepts]: Start accepts. Automaton has 10462 states and 12926 transitions. Word has length 96 [2022-10-16 16:11:52,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:52,107 INFO L495 AbstractCegarLoop]: Abstraction has 10462 states and 12926 transitions. [2022-10-16 16:11:52,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 10462 states and 12926 transitions. [2022-10-16 16:11:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:11:52,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:52,114 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] [2022-10-16 16:11:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:11:52,115 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:52,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1059981056, now seen corresponding path program 1 times [2022-10-16 16:11:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:52,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437228337] [2022-10-16 16:11:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:52,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:52,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437228337] [2022-10-16 16:11:52,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437228337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:52,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:52,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:52,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468443193] [2022-10-16 16:11:52,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:52,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:52,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:52,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:52,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:52,361 INFO L87 Difference]: Start difference. First operand 10462 states and 12926 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:58,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:58,894 INFO L93 Difference]: Finished difference Result 10740 states and 13310 transitions. [2022-10-16 16:11:58,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:11:58,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:11:58,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:58,909 INFO L225 Difference]: With dead ends: 10740 [2022-10-16 16:11:58,910 INFO L226 Difference]: Without dead ends: 10735 [2022-10-16 16:11:58,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:58,914 INFO L413 NwaCegarLoop]: 4387 mSDtfsCounter, 16045 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 8558 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16045 SdHoareTripleChecker+Valid, 9336 SdHoareTripleChecker+Invalid, 8565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:58,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16045 Valid, 9336 Invalid, 8565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8558 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:11:58,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10735 states. [2022-10-16 16:11:59,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10735 to 10701. [2022-10-16 16:11:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10701 states, 10619 states have (on average 1.2527544966569357) internal successors, (13303), 10700 states have internal predecessors, (13303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10701 states to 10701 states and 13303 transitions. [2022-10-16 16:11:59,319 INFO L78 Accepts]: Start accepts. Automaton has 10701 states and 13303 transitions. Word has length 96 [2022-10-16 16:11:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:59,319 INFO L495 AbstractCegarLoop]: Abstraction has 10701 states and 13303 transitions. [2022-10-16 16:11:59,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 10701 states and 13303 transitions. [2022-10-16 16:11:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:11:59,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:59,327 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] [2022-10-16 16:11:59,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:11:59,327 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:11:59,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:59,328 INFO L85 PathProgramCache]: Analyzing trace with hash -368264593, now seen corresponding path program 1 times [2022-10-16 16:11:59,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:59,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451938249] [2022-10-16 16:11:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:59,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:59,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451938249] [2022-10-16 16:11:59,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451938249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:59,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:59,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724430529] [2022-10-16 16:11:59,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:59,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:59,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:59,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:59,577 INFO L87 Difference]: Start difference. First operand 10701 states and 13303 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:06,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:06,142 INFO L93 Difference]: Finished difference Result 11701 states and 14847 transitions. [2022-10-16 16:12:06,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:06,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:12:06,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:06,157 INFO L225 Difference]: With dead ends: 11701 [2022-10-16 16:12:06,157 INFO L226 Difference]: Without dead ends: 11695 [2022-10-16 16:12:06,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:06,163 INFO L413 NwaCegarLoop]: 4232 mSDtfsCounter, 16623 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 8310 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16623 SdHoareTripleChecker+Valid, 8376 SdHoareTripleChecker+Invalid, 8330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 8310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:06,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16623 Valid, 8376 Invalid, 8330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 8310 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:12:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11695 states. [2022-10-16 16:12:06,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11695 to 11665. [2022-10-16 16:12:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11665 states, 11587 states have (on average 1.2799689306981963) internal successors, (14831), 11664 states have internal predecessors, (14831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 14831 transitions. [2022-10-16 16:12:06,572 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 14831 transitions. Word has length 97 [2022-10-16 16:12:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:06,573 INFO L495 AbstractCegarLoop]: Abstraction has 11665 states and 14831 transitions. [2022-10-16 16:12:06,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 14831 transitions. [2022-10-16 16:12:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:12:06,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:06,582 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] [2022-10-16 16:12:06,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:12:06,582 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:06,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:06,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1500324457, now seen corresponding path program 1 times [2022-10-16 16:12:06,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:06,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416025060] [2022-10-16 16:12:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:06,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:06,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416025060] [2022-10-16 16:12:06,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416025060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:06,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:06,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:06,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698568856] [2022-10-16 16:12:06,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:06,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:06,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:06,830 INFO L87 Difference]: Start difference. First operand 11665 states and 14831 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:13,563 INFO L93 Difference]: Finished difference Result 12905 states and 16735 transitions. [2022-10-16 16:12:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:13,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:12:13,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:13,578 INFO L225 Difference]: With dead ends: 12905 [2022-10-16 16:12:13,578 INFO L226 Difference]: Without dead ends: 12900 [2022-10-16 16:12:13,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:13,583 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 16460 mSDsluCounter, 4277 mSDsCounter, 0 mSdLazyCounter, 8399 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16460 SdHoareTripleChecker+Valid, 8521 SdHoareTripleChecker+Invalid, 8416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 8399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:13,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16460 Valid, 8521 Invalid, 8416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 8399 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-10-16 16:12:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2022-10-16 16:12:13,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 12388. [2022-10-16 16:12:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12388 states, 12313 states have (on average 1.296515877527816) internal successors, (15964), 12387 states have internal predecessors, (15964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12388 states to 12388 states and 15964 transitions. [2022-10-16 16:12:14,021 INFO L78 Accepts]: Start accepts. Automaton has 12388 states and 15964 transitions. Word has length 97 [2022-10-16 16:12:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:14,022 INFO L495 AbstractCegarLoop]: Abstraction has 12388 states and 15964 transitions. [2022-10-16 16:12:14,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12388 states and 15964 transitions. [2022-10-16 16:12:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:14,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:14,034 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] [2022-10-16 16:12:14,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:12:14,034 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:14,035 INFO L85 PathProgramCache]: Analyzing trace with hash -867290758, now seen corresponding path program 1 times [2022-10-16 16:12:14,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:14,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435349909] [2022-10-16 16:12:14,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:14,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:14,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:14,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435349909] [2022-10-16 16:12:14,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435349909] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:14,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:14,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253168970] [2022-10-16 16:12:14,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:14,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:14,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:14,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:14,323 INFO L87 Difference]: Start difference. First operand 12388 states and 15964 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:20,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:20,295 INFO L93 Difference]: Finished difference Result 13154 states and 17120 transitions. [2022-10-16 16:12:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:20,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:20,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:20,313 INFO L225 Difference]: With dead ends: 13154 [2022-10-16 16:12:20,313 INFO L226 Difference]: Without dead ends: 13151 [2022-10-16 16:12:20,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:20,317 INFO L413 NwaCegarLoop]: 5353 mSDtfsCounter, 8376 mSDsluCounter, 4534 mSDsCounter, 0 mSdLazyCounter, 7455 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8376 SdHoareTripleChecker+Valid, 9887 SdHoareTripleChecker+Invalid, 7461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:20,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8376 Valid, 9887 Invalid, 7461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7455 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 16:12:20,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13151 states. [2022-10-16 16:12:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13151 to 13113. [2022-10-16 16:12:20,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13113 states, 13039 states have (on average 1.312293887568065) internal successors, (17111), 13112 states have internal predecessors, (17111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13113 states to 13113 states and 17111 transitions. [2022-10-16 16:12:20,796 INFO L78 Accepts]: Start accepts. Automaton has 13113 states and 17111 transitions. Word has length 98 [2022-10-16 16:12:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:20,797 INFO L495 AbstractCegarLoop]: Abstraction has 13113 states and 17111 transitions. [2022-10-16 16:12:20,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand 13113 states and 17111 transitions. [2022-10-16 16:12:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:20,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:20,807 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] [2022-10-16 16:12:20,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:12:20,808 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr156ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:20,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:20,808 INFO L85 PathProgramCache]: Analyzing trace with hash 635173803, now seen corresponding path program 1 times [2022-10-16 16:12:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:20,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269141007] [2022-10-16 16:12:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:21,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269141007] [2022-10-16 16:12:21,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269141007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:21,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:21,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471222242] [2022-10-16 16:12:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:21,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:21,133 INFO L87 Difference]: Start difference. First operand 13113 states and 17111 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:27,282 INFO L93 Difference]: Finished difference Result 13873 states and 18251 transitions. [2022-10-16 16:12:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:27,301 INFO L225 Difference]: With dead ends: 13873 [2022-10-16 16:12:27,301 INFO L226 Difference]: Without dead ends: 13870 [2022-10-16 16:12:27,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:27,309 INFO L413 NwaCegarLoop]: 4514 mSDtfsCounter, 8548 mSDsluCounter, 4348 mSDsCounter, 0 mSdLazyCounter, 8227 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8548 SdHoareTripleChecker+Valid, 8862 SdHoareTripleChecker+Invalid, 8233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:27,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8548 Valid, 8862 Invalid, 8233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8227 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 16:12:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2022-10-16 16:12:27,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13838. [2022-10-16 16:12:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13838 states, 13765 states have (on average 1.3252451870686524) internal successors, (18242), 13837 states have internal predecessors, (18242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13838 states to 13838 states and 18242 transitions. [2022-10-16 16:12:27,914 INFO L78 Accepts]: Start accepts. Automaton has 13838 states and 18242 transitions. Word has length 98 [2022-10-16 16:12:27,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:27,915 INFO L495 AbstractCegarLoop]: Abstraction has 13838 states and 18242 transitions. [2022-10-16 16:12:27,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 13838 states and 18242 transitions. [2022-10-16 16:12:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:27,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:27,929 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] [2022-10-16 16:12:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:12:27,929 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:27,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1468701008, now seen corresponding path program 1 times [2022-10-16 16:12:27,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:27,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038787789] [2022-10-16 16:12:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:28,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:28,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038787789] [2022-10-16 16:12:28,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038787789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:28,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:28,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:12:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240964681] [2022-10-16 16:12:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:28,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:12:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:28,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:12:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:12:28,202 INFO L87 Difference]: Start difference. First operand 13838 states and 18242 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:35,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:35,153 INFO L93 Difference]: Finished difference Result 14116 states and 18618 transitions. [2022-10-16 16:12:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:12:35,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:35,172 INFO L225 Difference]: With dead ends: 14116 [2022-10-16 16:12:35,172 INFO L226 Difference]: Without dead ends: 14112 [2022-10-16 16:12:35,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:12:35,178 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 24031 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 8620 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24031 SdHoareTripleChecker+Valid, 9474 SdHoareTripleChecker+Invalid, 8627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:35,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24031 Valid, 9474 Invalid, 8627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8620 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 16:12:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14112 states. [2022-10-16 16:12:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14112 to 14078. [2022-10-16 16:12:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14078 states, 14007 states have (on average 1.3287641893339044) internal successors, (18612), 14077 states have internal predecessors, (18612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14078 states to 14078 states and 18612 transitions. [2022-10-16 16:12:35,816 INFO L78 Accepts]: Start accepts. Automaton has 14078 states and 18612 transitions. Word has length 98 [2022-10-16 16:12:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:35,817 INFO L495 AbstractCegarLoop]: Abstraction has 14078 states and 18612 transitions. [2022-10-16 16:12:35,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 14078 states and 18612 transitions. [2022-10-16 16:12:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:35,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:35,824 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] [2022-10-16 16:12:35,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:12:35,825 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:35,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:35,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1856133869, now seen corresponding path program 1 times [2022-10-16 16:12:35,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:35,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487209094] [2022-10-16 16:12:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:35,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:36,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:36,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487209094] [2022-10-16 16:12:36,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487209094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:36,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:36,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:12:36,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947897466] [2022-10-16 16:12:36,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:36,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:12:36,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:36,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:12:36,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:12:36,080 INFO L87 Difference]: Start difference. First operand 14078 states and 18612 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:43,183 INFO L93 Difference]: Finished difference Result 14356 states and 18988 transitions. [2022-10-16 16:12:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:12:43,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:43,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:43,204 INFO L225 Difference]: With dead ends: 14356 [2022-10-16 16:12:43,204 INFO L226 Difference]: Without dead ends: 14352 [2022-10-16 16:12:43,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:12:43,210 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 24102 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 8802 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24102 SdHoareTripleChecker+Valid, 9927 SdHoareTripleChecker+Invalid, 8809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:43,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24102 Valid, 9927 Invalid, 8809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8802 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 16:12:43,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14352 states. [2022-10-16 16:12:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14352 to 14318. [2022-10-16 16:12:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14318 states, 14249 states have (on average 1.332163660607762) internal successors, (18982), 14317 states have internal predecessors, (18982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14318 states to 14318 states and 18982 transitions. [2022-10-16 16:12:43,895 INFO L78 Accepts]: Start accepts. Automaton has 14318 states and 18982 transitions. Word has length 98 [2022-10-16 16:12:43,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:43,895 INFO L495 AbstractCegarLoop]: Abstraction has 14318 states and 18982 transitions. [2022-10-16 16:12:43,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 14318 states and 18982 transitions. [2022-10-16 16:12:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:43,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:43,905 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] [2022-10-16 16:12:43,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:12:43,906 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:43,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:43,906 INFO L85 PathProgramCache]: Analyzing trace with hash 213330067, now seen corresponding path program 1 times [2022-10-16 16:12:43,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:43,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495799026] [2022-10-16 16:12:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:44,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:44,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495799026] [2022-10-16 16:12:44,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495799026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:44,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:44,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133700477] [2022-10-16 16:12:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:44,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:12:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:44,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:12:44,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:44,079 INFO L87 Difference]: Start difference. First operand 14318 states and 18982 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:45,657 INFO L93 Difference]: Finished difference Result 28387 states and 40701 transitions. [2022-10-16 16:12:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:12:45,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:45,687 INFO L225 Difference]: With dead ends: 28387 [2022-10-16 16:12:45,687 INFO L226 Difference]: Without dead ends: 21003 [2022-10-16 16:12:45,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:45,703 INFO L413 NwaCegarLoop]: 8209 mSDtfsCounter, 4126 mSDsluCounter, 4486 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 12695 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:45,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4126 Valid, 12695 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:12:45,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21003 states. [2022-10-16 16:12:46,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21003 to 20720. [2022-10-16 16:12:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20720 states, 20651 states have (on average 1.395041402353397) internal successors, (28809), 20719 states have internal predecessors, (28809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20720 states to 20720 states and 28809 transitions. [2022-10-16 16:12:46,953 INFO L78 Accepts]: Start accepts. Automaton has 20720 states and 28809 transitions. Word has length 98 [2022-10-16 16:12:46,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:46,954 INFO L495 AbstractCegarLoop]: Abstraction has 20720 states and 28809 transitions. [2022-10-16 16:12:46,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 20720 states and 28809 transitions. [2022-10-16 16:12:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:46,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:46,962 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] [2022-10-16 16:12:46,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:12:46,962 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:46,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:46,963 INFO L85 PathProgramCache]: Analyzing trace with hash -98943939, now seen corresponding path program 1 times [2022-10-16 16:12:46,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:46,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907863824] [2022-10-16 16:12:46,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:46,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:47,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:47,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907863824] [2022-10-16 16:12:47,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907863824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:47,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:47,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:47,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517406143] [2022-10-16 16:12:47,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:47,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:47,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:47,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:47,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:47,194 INFO L87 Difference]: Start difference. First operand 20720 states and 28809 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:56,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:56,001 INFO L93 Difference]: Finished difference Result 21216 states and 29529 transitions. [2022-10-16 16:12:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:56,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:12:56,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:56,027 INFO L225 Difference]: With dead ends: 21216 [2022-10-16 16:12:56,027 INFO L226 Difference]: Without dead ends: 21213 [2022-10-16 16:12:56,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:56,034 INFO L413 NwaCegarLoop]: 4523 mSDtfsCounter, 8416 mSDsluCounter, 8163 mSDsCounter, 0 mSdLazyCounter, 12216 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8416 SdHoareTripleChecker+Valid, 12686 SdHoareTripleChecker+Invalid, 12222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:56,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8416 Valid, 12686 Invalid, 12222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 12216 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 16:12:56,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21213 states. [2022-10-16 16:12:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21213 to 21181. [2022-10-16 16:12:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21181 states, 21113 states have (on average 1.3973854970871027) internal successors, (29503), 21180 states have internal predecessors, (29503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21181 states to 21181 states and 29503 transitions. [2022-10-16 16:12:57,292 INFO L78 Accepts]: Start accepts. Automaton has 21181 states and 29503 transitions. Word has length 98 [2022-10-16 16:12:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:57,293 INFO L495 AbstractCegarLoop]: Abstraction has 21181 states and 29503 transitions. [2022-10-16 16:12:57,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21181 states and 29503 transitions. [2022-10-16 16:12:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:12:57,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:57,301 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] [2022-10-16 16:12:57,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:12:57,301 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:12:57,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:57,302 INFO L85 PathProgramCache]: Analyzing trace with hash 734583266, now seen corresponding path program 1 times [2022-10-16 16:12:57,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:57,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757186752] [2022-10-16 16:12:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:57,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:57,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757186752] [2022-10-16 16:12:57,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757186752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:57,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:57,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:12:57,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183315927] [2022-10-16 16:12:57,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:57,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:12:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:57,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:12:57,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:12:57,573 INFO L87 Difference]: Start difference. First operand 21181 states and 29503 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:05,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:05,505 INFO L93 Difference]: Finished difference Result 21679 states and 30215 transitions. [2022-10-16 16:13:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:05,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:13:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:05,535 INFO L225 Difference]: With dead ends: 21679 [2022-10-16 16:13:05,535 INFO L226 Difference]: Without dead ends: 21675 [2022-10-16 16:13:05,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:13:05,540 INFO L413 NwaCegarLoop]: 4385 mSDtfsCounter, 23924 mSDsluCounter, 5692 mSDsCounter, 0 mSdLazyCounter, 8874 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23924 SdHoareTripleChecker+Valid, 10077 SdHoareTripleChecker+Invalid, 8881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:05,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23924 Valid, 10077 Invalid, 8881 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8874 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 16:13:05,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21675 states. [2022-10-16 16:13:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21675 to 21641. [2022-10-16 16:13:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21641 states, 21575 states have (on average 1.3999073001158748) internal successors, (30203), 21640 states have internal predecessors, (30203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21641 states to 21641 states and 30203 transitions. [2022-10-16 16:13:06,675 INFO L78 Accepts]: Start accepts. Automaton has 21641 states and 30203 transitions. Word has length 98 [2022-10-16 16:13:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:06,675 INFO L495 AbstractCegarLoop]: Abstraction has 21641 states and 30203 transitions. [2022-10-16 16:13:06,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21641 states and 30203 transitions. [2022-10-16 16:13:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:13:06,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:06,683 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] [2022-10-16 16:13:06,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:13:06,683 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4477 more)] === [2022-10-16 16:13:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:06,684 INFO L85 PathProgramCache]: Analyzing trace with hash 986440382, now seen corresponding path program 1 times [2022-10-16 16:13:06,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:06,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523608756] [2022-10-16 16:13:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:06,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523608756] [2022-10-16 16:13:06,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523608756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:06,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:06,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:06,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544084700] [2022-10-16 16:13:06,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:06,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:06,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:06,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:06,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:06,953 INFO L87 Difference]: Start difference. First operand 21641 states and 30203 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)