/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:43:07,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:43:07,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:43:07,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:43:07,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:43:07,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:43:07,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:43:07,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:43:07,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:43:07,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:43:07,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:43:07,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:43:07,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:43:07,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:43:07,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:43:07,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:43:07,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:43:07,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:43:07,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:43:07,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:43:07,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:43:07,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:43:07,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:43:07,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:43:07,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:43:07,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:43:07,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:43:07,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:43:07,269 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 16:43:07,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:43:07,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:43:07,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:43:07,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:43:07,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:43:07,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:43:07,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:43:07,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:43:07,301 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:43:07,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:43:07,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:43:07,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:43:07,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:43:07,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:43:07,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:43:07,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:43:07,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:43:07,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:43:07,303 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:43:07,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:43:07,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:43:07,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:43:07,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:43:07,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:43:07,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:43:07,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:43:07,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:43:07,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:43:07,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:43:07,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:43:07,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:43:07,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:43:07,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:43:07,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:43:07,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:43:07,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:43:07,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:43:07,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:43:07,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:43:07,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:43:07,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923be588d/32511be16fee4cf5a74a8d8a7feb12d1/FLAG3c4717e99 [2022-10-16 16:43:08,554 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:43:08,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:43:08,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923be588d/32511be16fee4cf5a74a8d8a7feb12d1/FLAG3c4717e99 [2022-10-16 16:43:08,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923be588d/32511be16fee4cf5a74a8d8a7feb12d1 [2022-10-16 16:43:08,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:43:08,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:43:08,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:43:08,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:43:08,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:43:08,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:43:08" (1/1) ... [2022-10-16 16:43:08,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b12209a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:08, skipping insertion in model container [2022-10-16 16:43:08,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:43:08" (1/1) ... [2022-10-16 16:43:08,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:43:08,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:43:09,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15542,15555] [2022-10-16 16:43:09,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:43:09,498 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:43:09,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15542,15555] [2022-10-16 16:43:09,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:43:09,987 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:43:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09 WrapperNode [2022-10-16 16:43:09,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:43:09,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:43:09,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:43:09,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:43:09,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,109 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1392 [2022-10-16 16:43:10,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:43:10,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:43:10,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:43:10,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:43:10,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,166 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:43:10,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:43:10,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:43:10,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:43:10,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (1/1) ... [2022-10-16 16:43:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:43:10,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:43:10,250 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 16:43:10,272 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 16:43:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:43:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:43:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:43:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:43:10,534 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:43:10,537 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:43:12,194 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:43:12,216 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:43:12,216 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:43:12,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:43:12 BoogieIcfgContainer [2022-10-16 16:43:12,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:43:12,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:43:12,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:43:12,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:43:12,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:43:08" (1/3) ... [2022-10-16 16:43:12,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0ab81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:43:12, skipping insertion in model container [2022-10-16 16:43:12,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:43:09" (2/3) ... [2022-10-16 16:43:12,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0ab81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:43:12, skipping insertion in model container [2022-10-16 16:43:12,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:43:12" (3/3) ... [2022-10-16 16:43:12,232 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 16:43:12,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:43:12,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-16 16:43:12,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:43:12,347 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;@66e901bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:43:12,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-16 16:43:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 578 states, 449 states have (on average 1.841870824053452) internal successors, (827), 577 states have internal predecessors, (827), 0 states have call successors, (0), 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 16:43:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:43:12,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:12,389 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 16:43:12,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:12,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:12,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1842065984, now seen corresponding path program 1 times [2022-10-16 16:43:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:12,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433367028] [2022-10-16 16:43:12,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:13,035 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 16:43:13,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:13,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433367028] [2022-10-16 16:43:13,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433367028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:13,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:13,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423271764] [2022-10-16 16:43:13,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:13,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:13,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:13,088 INFO L87 Difference]: Start difference. First operand has 578 states, 449 states have (on average 1.841870824053452) internal successors, (827), 577 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 16:43:13,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:13,519 INFO L93 Difference]: Finished difference Result 818 states and 1157 transitions. [2022-10-16 16:43:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:13,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 16:43:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:13,545 INFO L225 Difference]: With dead ends: 818 [2022-10-16 16:43:13,546 INFO L226 Difference]: Without dead ends: 798 [2022-10-16 16:43:13,551 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 16:43:13,560 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 745 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:13,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1227 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:43:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-10-16 16:43:13,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 748. [2022-10-16 16:43:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 626 states have (on average 1.645367412140575) internal successors, (1030), 747 states have internal predecessors, (1030), 0 states have call successors, (0), 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 16:43:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1030 transitions. [2022-10-16 16:43:13,740 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1030 transitions. Word has length 62 [2022-10-16 16:43:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:13,741 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 1030 transitions. [2022-10-16 16:43:13,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 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 16:43:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1030 transitions. [2022-10-16 16:43:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:43:13,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:13,747 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 16:43:13,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:43:13,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:13,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1269470377, now seen corresponding path program 1 times [2022-10-16 16:43:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:13,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863784959] [2022-10-16 16:43:13,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:13,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:14,036 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 16:43:14,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:14,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863784959] [2022-10-16 16:43:14,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863784959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:14,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:14,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:14,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838441062] [2022-10-16 16:43:14,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:14,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:14,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:14,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:14,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:14,043 INFO L87 Difference]: Start difference. First operand 748 states and 1030 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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 16:43:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:14,335 INFO L93 Difference]: Finished difference Result 803 states and 1030 transitions. [2022-10-16 16:43:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:14,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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 16:43:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:14,342 INFO L225 Difference]: With dead ends: 803 [2022-10-16 16:43:14,343 INFO L226 Difference]: Without dead ends: 792 [2022-10-16 16:43:14,348 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 16:43:14,350 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 638 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:14,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1123 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-10-16 16:43:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 742. [2022-10-16 16:43:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 626 states have (on average 1.6277955271565496) internal successors, (1019), 741 states have internal predecessors, (1019), 0 states have call successors, (0), 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 16:43:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1019 transitions. [2022-10-16 16:43:14,394 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1019 transitions. Word has length 63 [2022-10-16 16:43:14,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:14,395 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 1019 transitions. [2022-10-16 16:43:14,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 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 16:43:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1019 transitions. [2022-10-16 16:43:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:43:14,402 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:14,402 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 16:43:14,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:43:14,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:14,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:14,406 INFO L85 PathProgramCache]: Analyzing trace with hash -698875742, now seen corresponding path program 1 times [2022-10-16 16:43:14,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:14,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653996567] [2022-10-16 16:43:14,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:14,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:14,609 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 16:43:14,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:14,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653996567] [2022-10-16 16:43:14,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653996567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:14,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:14,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:43:14,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365102003] [2022-10-16 16:43:14,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:14,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:43:14,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:43:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:14,613 INFO L87 Difference]: Start difference. First operand 742 states and 1019 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 16:43:15,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:15,311 INFO L93 Difference]: Finished difference Result 1792 states and 2444 transitions. [2022-10-16 16:43:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:43:15,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 16:43:15,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:15,320 INFO L225 Difference]: With dead ends: 1792 [2022-10-16 16:43:15,320 INFO L226 Difference]: Without dead ends: 1485 [2022-10-16 16:43:15,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:43:15,325 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 2291 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:15,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 2901 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:43:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-10-16 16:43:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1003. [2022-10-16 16:43:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 893 states have (on average 1.6349384098544233) internal successors, (1460), 1002 states have internal predecessors, (1460), 0 states have call successors, (0), 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 16:43:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1460 transitions. [2022-10-16 16:43:15,385 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1460 transitions. Word has length 64 [2022-10-16 16:43:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:15,386 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1460 transitions. [2022-10-16 16:43:15,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 16:43:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1460 transitions. [2022-10-16 16:43:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:43:15,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:15,388 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 16:43:15,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:43:15,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:15,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:15,389 INFO L85 PathProgramCache]: Analyzing trace with hash -190311239, now seen corresponding path program 1 times [2022-10-16 16:43:15,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:15,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368964677] [2022-10-16 16:43:15,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:15,524 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 16:43:15,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:15,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368964677] [2022-10-16 16:43:15,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368964677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:15,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:15,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:43:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119834714] [2022-10-16 16:43:15,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:15,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:43:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:43:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:15,527 INFO L87 Difference]: Start difference. First operand 1003 states and 1460 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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 16:43:16,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:16,109 INFO L93 Difference]: Finished difference Result 1681 states and 2440 transitions. [2022-10-16 16:43:16,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:43:16,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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 16:43:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:16,120 INFO L225 Difference]: With dead ends: 1681 [2022-10-16 16:43:16,121 INFO L226 Difference]: Without dead ends: 1665 [2022-10-16 16:43:16,122 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 16:43:16,123 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 2347 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:16,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1564 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:43:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2022-10-16 16:43:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1555. [2022-10-16 16:43:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1451 states have (on average 1.6519641626464507) internal successors, (2397), 1554 states have internal predecessors, (2397), 0 states have call successors, (0), 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 16:43:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2397 transitions. [2022-10-16 16:43:16,220 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2397 transitions. Word has length 65 [2022-10-16 16:43:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:16,220 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2397 transitions. [2022-10-16 16:43:16,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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 16:43:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2397 transitions. [2022-10-16 16:43:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:43:16,221 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:16,222 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 16:43:16,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:43:16,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:16,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1794502203, now seen corresponding path program 1 times [2022-10-16 16:43:16,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:16,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105698563] [2022-10-16 16:43:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:16,326 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 16:43:16,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:16,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105698563] [2022-10-16 16:43:16,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105698563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:16,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:16,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:16,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275930786] [2022-10-16 16:43:16,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:16,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:16,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:16,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:16,330 INFO L87 Difference]: Start difference. First operand 1555 states and 2397 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 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 16:43:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:16,737 INFO L93 Difference]: Finished difference Result 2045 states and 3139 transitions. [2022-10-16 16:43:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:16,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 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 16:43:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:16,750 INFO L225 Difference]: With dead ends: 2045 [2022-10-16 16:43:16,750 INFO L226 Difference]: Without dead ends: 2042 [2022-10-16 16:43:16,751 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 16:43:16,753 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 913 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:16,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1683 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:43:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2022-10-16 16:43:16,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 1552. [2022-10-16 16:43:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1451 states have (on average 1.6498966230186078) internal successors, (2394), 1551 states have internal predecessors, (2394), 0 states have call successors, (0), 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 16:43:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2394 transitions. [2022-10-16 16:43:16,878 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2394 transitions. Word has length 67 [2022-10-16 16:43:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:16,878 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 2394 transitions. [2022-10-16 16:43:16,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 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 16:43:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2394 transitions. [2022-10-16 16:43:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:43:16,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:16,880 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] [2022-10-16 16:43:16,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:43:16,881 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash -205006265, now seen corresponding path program 1 times [2022-10-16 16:43:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:16,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323728217] [2022-10-16 16:43:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:16,992 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 16:43:16,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:16,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323728217] [2022-10-16 16:43:16,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323728217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:16,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:16,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:16,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88923055] [2022-10-16 16:43:16,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:16,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:16,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:16,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:16,996 INFO L87 Difference]: Start difference. First operand 1552 states and 2394 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 16:43:17,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:17,415 INFO L93 Difference]: Finished difference Result 2409 states and 3773 transitions. [2022-10-16 16:43:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:17,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 16:43:17,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:17,429 INFO L225 Difference]: With dead ends: 2409 [2022-10-16 16:43:17,429 INFO L226 Difference]: Without dead ends: 2404 [2022-10-16 16:43:17,432 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 16:43:17,435 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1217 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:17,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 1117 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2022-10-16 16:43:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2344. [2022-10-16 16:43:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2344 states, 2246 states have (on average 1.667853962600178) internal successors, (3746), 2343 states have internal predecessors, (3746), 0 states have call successors, (0), 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 16:43:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3746 transitions. [2022-10-16 16:43:17,613 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3746 transitions. Word has length 68 [2022-10-16 16:43:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:17,613 INFO L495 AbstractCegarLoop]: Abstraction has 2344 states and 3746 transitions. [2022-10-16 16:43:17,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 16:43:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3746 transitions. [2022-10-16 16:43:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:43:17,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:17,615 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] [2022-10-16 16:43:17,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:43:17,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash 557484329, now seen corresponding path program 1 times [2022-10-16 16:43:17,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:17,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425644090] [2022-10-16 16:43:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:17,736 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 16:43:17,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:17,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425644090] [2022-10-16 16:43:17,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425644090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:17,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:17,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:17,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425834140] [2022-10-16 16:43:17,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:17,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:17,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:17,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:17,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:17,739 INFO L87 Difference]: Start difference. First operand 2344 states and 3746 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 16:43:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:18,105 INFO L93 Difference]: Finished difference Result 3129 states and 5011 transitions. [2022-10-16 16:43:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:18,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 16:43:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:18,123 INFO L225 Difference]: With dead ends: 3129 [2022-10-16 16:43:18,123 INFO L226 Difference]: Without dead ends: 3126 [2022-10-16 16:43:18,125 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 16:43:18,126 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 920 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:18,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1116 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:18,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2022-10-16 16:43:18,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 2341. [2022-10-16 16:43:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2341 states, 2246 states have (on average 1.6665182546749777) internal successors, (3743), 2340 states have internal predecessors, (3743), 0 states have call successors, (0), 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 16:43:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3743 transitions. [2022-10-16 16:43:18,306 INFO L78 Accepts]: Start accepts. Automaton has 2341 states and 3743 transitions. Word has length 70 [2022-10-16 16:43:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:18,306 INFO L495 AbstractCegarLoop]: Abstraction has 2341 states and 3743 transitions. [2022-10-16 16:43:18,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 16:43:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 3743 transitions. [2022-10-16 16:43:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:43:18,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:18,308 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 16:43:18,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:43:18,308 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash 102145312, now seen corresponding path program 1 times [2022-10-16 16:43:18,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:18,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338787188] [2022-10-16 16:43:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:18,406 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 16:43:18,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:18,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338787188] [2022-10-16 16:43:18,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338787188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:18,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:18,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:18,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952072866] [2022-10-16 16:43:18,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:18,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:18,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:18,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:18,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:18,409 INFO L87 Difference]: Start difference. First operand 2341 states and 3743 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 16:43:18,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:18,880 INFO L93 Difference]: Finished difference Result 3853 states and 6255 transitions. [2022-10-16 16:43:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:18,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 16:43:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:18,904 INFO L225 Difference]: With dead ends: 3853 [2022-10-16 16:43:18,904 INFO L226 Difference]: Without dead ends: 3848 [2022-10-16 16:43:18,906 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 16:43:18,906 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1498 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:18,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 841 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2022-10-16 16:43:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 3784. [2022-10-16 16:43:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3784 states, 3692 states have (on average 1.6822860238353197) internal successors, (6211), 3783 states have internal predecessors, (6211), 0 states have call successors, (0), 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 16:43:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 3784 states and 6211 transitions. [2022-10-16 16:43:19,201 INFO L78 Accepts]: Start accepts. Automaton has 3784 states and 6211 transitions. Word has length 71 [2022-10-16 16:43:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:19,201 INFO L495 AbstractCegarLoop]: Abstraction has 3784 states and 6211 transitions. [2022-10-16 16:43:19,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 16:43:19,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 6211 transitions. [2022-10-16 16:43:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:43:19,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:19,203 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] [2022-10-16 16:43:19,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:43:19,203 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -622593374, now seen corresponding path program 1 times [2022-10-16 16:43:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504457327] [2022-10-16 16:43:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:19,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:19,320 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 16:43:19,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:19,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504457327] [2022-10-16 16:43:19,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504457327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:19,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:19,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:19,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776885611] [2022-10-16 16:43:19,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:19,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:19,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:19,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:19,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:19,323 INFO L87 Difference]: Start difference. First operand 3784 states and 6211 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 16:43:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:19,972 INFO L93 Difference]: Finished difference Result 6928 states and 11512 transitions. [2022-10-16 16:43:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:19,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:43:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:20,014 INFO L225 Difference]: With dead ends: 6928 [2022-10-16 16:43:20,014 INFO L226 Difference]: Without dead ends: 6925 [2022-10-16 16:43:20,018 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 16:43:20,019 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 922 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:20,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1667 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6925 states. [2022-10-16 16:43:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6925 to 3781. [2022-10-16 16:43:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3781 states, 3692 states have (on average 1.6814734561213434) internal successors, (6208), 3780 states have internal predecessors, (6208), 0 states have call successors, (0), 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 16:43:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 6208 transitions. [2022-10-16 16:43:20,377 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 6208 transitions. Word has length 73 [2022-10-16 16:43:20,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:20,378 INFO L495 AbstractCegarLoop]: Abstraction has 3781 states and 6208 transitions. [2022-10-16 16:43:20,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 16:43:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 6208 transitions. [2022-10-16 16:43:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:43:20,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:20,379 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] [2022-10-16 16:43:20,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:43:20,380 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:20,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2120525106, now seen corresponding path program 1 times [2022-10-16 16:43:20,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:20,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753035753] [2022-10-16 16:43:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:20,476 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 16:43:20,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:20,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753035753] [2022-10-16 16:43:20,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753035753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:20,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:20,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:20,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450078753] [2022-10-16 16:43:20,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:20,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:20,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:20,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:20,478 INFO L87 Difference]: Start difference. First operand 3781 states and 6208 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:43:21,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:21,158 INFO L93 Difference]: Finished difference Result 7045 states and 11714 transitions. [2022-10-16 16:43:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:21,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:43:21,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:21,185 INFO L225 Difference]: With dead ends: 7045 [2022-10-16 16:43:21,185 INFO L226 Difference]: Without dead ends: 7040 [2022-10-16 16:43:21,188 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 16:43:21,189 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 1187 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:21,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1153 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:21,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7040 states. [2022-10-16 16:43:21,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7040 to 6962. [2022-10-16 16:43:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6962 states, 6876 states have (on average 1.6912449098312972) internal successors, (11629), 6961 states have internal predecessors, (11629), 0 states have call successors, (0), 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 16:43:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 11629 transitions. [2022-10-16 16:43:21,735 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 11629 transitions. Word has length 74 [2022-10-16 16:43:21,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:21,735 INFO L495 AbstractCegarLoop]: Abstraction has 6962 states and 11629 transitions. [2022-10-16 16:43:21,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:43:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 11629 transitions. [2022-10-16 16:43:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:43:21,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:21,737 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] [2022-10-16 16:43:21,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:43:21,737 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:21,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1097927740, now seen corresponding path program 1 times [2022-10-16 16:43:21,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:21,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797917410] [2022-10-16 16:43:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:21,888 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 16:43:21,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:21,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797917410] [2022-10-16 16:43:21,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797917410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:21,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:21,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:21,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693518292] [2022-10-16 16:43:21,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:21,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:21,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:21,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:21,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:21,891 INFO L87 Difference]: Start difference. First operand 6962 states and 11629 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:43:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:23,281 INFO L93 Difference]: Finished difference Result 18638 states and 31437 transitions. [2022-10-16 16:43:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:43:23,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:43:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:23,336 INFO L225 Difference]: With dead ends: 18638 [2022-10-16 16:43:23,336 INFO L226 Difference]: Without dead ends: 18631 [2022-10-16 16:43:23,343 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 16:43:23,344 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 1168 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:23,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1456 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:43:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18631 states. [2022-10-16 16:43:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18631 to 12743. [2022-10-16 16:43:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12743 states, 12660 states have (on average 1.6927330173775672) internal successors, (21430), 12742 states have internal predecessors, (21430), 0 states have call successors, (0), 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 16:43:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12743 states to 12743 states and 21430 transitions. [2022-10-16 16:43:24,500 INFO L78 Accepts]: Start accepts. Automaton has 12743 states and 21430 transitions. Word has length 84 [2022-10-16 16:43:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:24,500 INFO L495 AbstractCegarLoop]: Abstraction has 12743 states and 21430 transitions. [2022-10-16 16:43:24,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:43:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12743 states and 21430 transitions. [2022-10-16 16:43:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:43:24,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:24,502 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] [2022-10-16 16:43:24,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:43:24,503 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:24,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:24,503 INFO L85 PathProgramCache]: Analyzing trace with hash -323978093, now seen corresponding path program 1 times [2022-10-16 16:43:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:24,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025240052] [2022-10-16 16:43:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:24,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:24,618 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 16:43:24,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025240052] [2022-10-16 16:43:24,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025240052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:24,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:24,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112272131] [2022-10-16 16:43:24,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:24,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:24,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:24,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:24,621 INFO L87 Difference]: Start difference. First operand 12743 states and 21430 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 16:43:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:25,979 INFO L93 Difference]: Finished difference Result 19066 states and 32138 transitions. [2022-10-16 16:43:25,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:43:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:43:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:26,023 INFO L225 Difference]: With dead ends: 19066 [2022-10-16 16:43:26,024 INFO L226 Difference]: Without dead ends: 19059 [2022-10-16 16:43:26,030 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 16:43:26,031 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1473 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:26,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 951 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:26,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19059 states. [2022-10-16 16:43:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19059 to 19010. [2022-10-16 16:43:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19010 states, 18930 states have (on average 1.6864764923402007) internal successors, (31925), 19009 states have internal predecessors, (31925), 0 states have call successors, (0), 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 16:43:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19010 states to 19010 states and 31925 transitions. [2022-10-16 16:43:27,653 INFO L78 Accepts]: Start accepts. Automaton has 19010 states and 31925 transitions. Word has length 85 [2022-10-16 16:43:27,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:27,654 INFO L495 AbstractCegarLoop]: Abstraction has 19010 states and 31925 transitions. [2022-10-16 16:43:27,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 16:43:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 19010 states and 31925 transitions. [2022-10-16 16:43:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:43:27,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:27,656 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] [2022-10-16 16:43:27,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:43:27,656 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:27,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1453385954, now seen corresponding path program 1 times [2022-10-16 16:43:27,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:27,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548076117] [2022-10-16 16:43:27,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:27,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:27,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548076117] [2022-10-16 16:43:27,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548076117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:27,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:27,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:43:27,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916818109] [2022-10-16 16:43:27,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:27,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:43:27,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:27,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:43:27,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:27,781 INFO L87 Difference]: Start difference. First operand 19010 states and 31925 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 16:43:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:31,958 INFO L93 Difference]: Finished difference Result 67507 states and 113669 transitions. [2022-10-16 16:43:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:43:31,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:43:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:32,090 INFO L225 Difference]: With dead ends: 67507 [2022-10-16 16:43:32,091 INFO L226 Difference]: Without dead ends: 49137 [2022-10-16 16:43:32,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:43:32,133 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 2418 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 2300 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:32,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 2300 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:43:32,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49137 states. [2022-10-16 16:43:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49137 to 37373. [2022-10-16 16:43:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37373 states, 37296 states have (on average 1.677069927069927) internal successors, (62548), 37372 states have internal predecessors, (62548), 0 states have call successors, (0), 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 16:43:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37373 states to 37373 states and 62548 transitions. [2022-10-16 16:43:35,585 INFO L78 Accepts]: Start accepts. Automaton has 37373 states and 62548 transitions. Word has length 86 [2022-10-16 16:43:35,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:35,586 INFO L495 AbstractCegarLoop]: Abstraction has 37373 states and 62548 transitions. [2022-10-16 16:43:35,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 16:43:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 37373 states and 62548 transitions. [2022-10-16 16:43:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:43:35,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:35,587 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] [2022-10-16 16:43:35,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:43:35,588 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:35,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:35,589 INFO L85 PathProgramCache]: Analyzing trace with hash -2105291275, now seen corresponding path program 1 times [2022-10-16 16:43:35,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:35,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180348833] [2022-10-16 16:43:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:35,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:35,746 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 16:43:35,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:35,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180348833] [2022-10-16 16:43:35,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180348833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:35,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:35,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:43:35,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177412716] [2022-10-16 16:43:35,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:35,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:43:35,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:43:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:43:35,750 INFO L87 Difference]: Start difference. First operand 37373 states and 62548 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 16:43:39,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:39,479 INFO L93 Difference]: Finished difference Result 50044 states and 83864 transitions. [2022-10-16 16:43:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:43:39,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:43:39,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:39,614 INFO L225 Difference]: With dead ends: 50044 [2022-10-16 16:43:39,614 INFO L226 Difference]: Without dead ends: 50037 [2022-10-16 16:43:39,637 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 16:43:39,640 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 2260 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:39,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 1645 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:43:39,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50037 states. [2022-10-16 16:43:43,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50037 to 49914. [2022-10-16 16:43:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49914 states, 49840 states have (on average 1.670164526484751) internal successors, (83241), 49913 states have internal predecessors, (83241), 0 states have call successors, (0), 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 16:43:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49914 states to 49914 states and 83241 transitions. [2022-10-16 16:43:43,666 INFO L78 Accepts]: Start accepts. Automaton has 49914 states and 83241 transitions. Word has length 87 [2022-10-16 16:43:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:43,667 INFO L495 AbstractCegarLoop]: Abstraction has 49914 states and 83241 transitions. [2022-10-16 16:43:43,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 16:43:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49914 states and 83241 transitions. [2022-10-16 16:43:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:43:43,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:43,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:43,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:43:43,669 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash -537756358, now seen corresponding path program 1 times [2022-10-16 16:43:43,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:43,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343572061] [2022-10-16 16:43:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:43,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:43,778 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 16:43:43,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:43,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343572061] [2022-10-16 16:43:43,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343572061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:43,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:43,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:43,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833492043] [2022-10-16 16:43:43,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:43,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:43,781 INFO L87 Difference]: Start difference. First operand 49914 states and 83241 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 16:43:47,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:47,420 INFO L93 Difference]: Finished difference Result 49914 states and 83241 transitions. [2022-10-16 16:43:47,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:47,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 16:43:47,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:47,509 INFO L225 Difference]: With dead ends: 49914 [2022-10-16 16:43:47,509 INFO L226 Difference]: Without dead ends: 49912 [2022-10-16 16:43:47,520 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 16:43:47,520 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 55 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:47,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1213 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49912 states. [2022-10-16 16:43:51,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49912 to 49912. [2022-10-16 16:43:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49912 states, 49840 states have (on average 1.6701243980738363) internal successors, (83239), 49911 states have internal predecessors, (83239), 0 states have call successors, (0), 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 16:43:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49912 states to 49912 states and 83239 transitions. [2022-10-16 16:43:51,344 INFO L78 Accepts]: Start accepts. Automaton has 49912 states and 83239 transitions. Word has length 91 [2022-10-16 16:43:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:51,344 INFO L495 AbstractCegarLoop]: Abstraction has 49912 states and 83239 transitions. [2022-10-16 16:43:51,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 16:43:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 49912 states and 83239 transitions. [2022-10-16 16:43:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:43:51,346 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:51,346 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 16:43:51,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:43:51,346 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:51,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:51,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2084807871, now seen corresponding path program 1 times [2022-10-16 16:43:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:51,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351360940] [2022-10-16 16:43:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:51,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:51,452 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 16:43:51,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:51,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351360940] [2022-10-16 16:43:51,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351360940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:51,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:51,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:51,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491966151] [2022-10-16 16:43:51,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:51,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:51,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:51,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:51,455 INFO L87 Difference]: Start difference. First operand 49912 states and 83239 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 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 16:43:55,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:55,462 INFO L93 Difference]: Finished difference Result 49912 states and 83239 transitions. [2022-10-16 16:43:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:55,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 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 16:43:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:55,560 INFO L225 Difference]: With dead ends: 49912 [2022-10-16 16:43:55,560 INFO L226 Difference]: Without dead ends: 49909 [2022-10-16 16:43:55,574 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 16:43:55,575 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 570 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:55,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 623 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:43:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49909 states. [2022-10-16 16:43:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49909 to 49909. [2022-10-16 16:43:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49909 states, 49840 states have (on average 1.661898073836276) internal successors, (82829), 49908 states have internal predecessors, (82829), 0 states have call successors, (0), 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 16:43:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49909 states to 49909 states and 82829 transitions. [2022-10-16 16:43:59,524 INFO L78 Accepts]: Start accepts. Automaton has 49909 states and 82829 transitions. Word has length 95 [2022-10-16 16:43:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:59,524 INFO L495 AbstractCegarLoop]: Abstraction has 49909 states and 82829 transitions. [2022-10-16 16:43:59,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 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 16:43:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49909 states and 82829 transitions. [2022-10-16 16:43:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:43:59,525 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:59,526 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 16:43:59,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:43:59,526 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:43:59,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:59,526 INFO L85 PathProgramCache]: Analyzing trace with hash 204534925, now seen corresponding path program 1 times [2022-10-16 16:43:59,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:59,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113173223] [2022-10-16 16:43:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:59,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:59,632 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 16:43:59,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:59,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113173223] [2022-10-16 16:43:59,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113173223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:59,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:59,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:43:59,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23647684] [2022-10-16 16:43:59,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:59,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:43:59,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:43:59,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:59,635 INFO L87 Difference]: Start difference. First operand 49909 states and 82829 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:03,984 INFO L93 Difference]: Finished difference Result 49909 states and 82829 transitions. [2022-10-16 16:44:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:03,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:44:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:04,064 INFO L225 Difference]: With dead ends: 49909 [2022-10-16 16:44:04,064 INFO L226 Difference]: Without dead ends: 49906 [2022-10-16 16:44:04,077 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 16:44:04,078 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 566 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:04,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 623 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:04,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49906 states. [2022-10-16 16:44:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49906 to 49906. [2022-10-16 16:44:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49906 states, 49840 states have (on average 1.6536717495987159) internal successors, (82419), 49905 states have internal predecessors, (82419), 0 states have call successors, (0), 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 16:44:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49906 states to 49906 states and 82419 transitions. [2022-10-16 16:44:08,293 INFO L78 Accepts]: Start accepts. Automaton has 49906 states and 82419 transitions. Word has length 96 [2022-10-16 16:44:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:08,293 INFO L495 AbstractCegarLoop]: Abstraction has 49906 states and 82419 transitions. [2022-10-16 16:44:08,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 49906 states and 82419 transitions. [2022-10-16 16:44:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 16:44:08,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:08,301 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, 1, 1, 1, 1] [2022-10-16 16:44:08,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:44:08,302 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:08,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:08,302 INFO L85 PathProgramCache]: Analyzing trace with hash -619439312, now seen corresponding path program 1 times [2022-10-16 16:44:08,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:08,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070881074] [2022-10-16 16:44:08,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:08,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:08,592 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 16:44:08,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:08,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070881074] [2022-10-16 16:44:08,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070881074] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:08,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:08,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:44:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5751244] [2022-10-16 16:44:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:08,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:08,595 INFO L87 Difference]: Start difference. First operand 49906 states and 82419 transitions. Second operand has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:12,275 INFO L93 Difference]: Finished difference Result 49906 states and 82419 transitions. [2022-10-16 16:44:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 16:44:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:12,350 INFO L225 Difference]: With dead ends: 49906 [2022-10-16 16:44:12,350 INFO L226 Difference]: Without dead ends: 49903 [2022-10-16 16:44:12,361 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 16:44:12,362 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 557 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:12,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 643 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49903 states. [2022-10-16 16:44:16,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49903 to 49903. [2022-10-16 16:44:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49903 states, 49840 states have (on average 1.6454253611556982) internal successors, (82008), 49902 states have internal predecessors, (82008), 0 states have call successors, (0), 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 16:44:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49903 states to 49903 states and 82008 transitions. [2022-10-16 16:44:16,527 INFO L78 Accepts]: Start accepts. Automaton has 49903 states and 82008 transitions. Word has length 102 [2022-10-16 16:44:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:16,527 INFO L495 AbstractCegarLoop]: Abstraction has 49903 states and 82008 transitions. [2022-10-16 16:44:16,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:44:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49903 states and 82008 transitions. [2022-10-16 16:44:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:44:16,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:16,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:16,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:44:16,529 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:16,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2022749097, now seen corresponding path program 1 times [2022-10-16 16:44:16,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:16,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68204533] [2022-10-16 16:44:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:16,644 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 16:44:16,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:16,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68204533] [2022-10-16 16:44:16,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68204533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:16,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:16,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:44:16,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237020194] [2022-10-16 16:44:16,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:16,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:16,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:16,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:16,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:16,648 INFO L87 Difference]: Start difference. First operand 49903 states and 82008 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 16:44:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:20,945 INFO L93 Difference]: Finished difference Result 49903 states and 82008 transitions. [2022-10-16 16:44:20,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:20,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-16 16:44:20,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:21,020 INFO L225 Difference]: With dead ends: 49903 [2022-10-16 16:44:21,020 INFO L226 Difference]: Without dead ends: 49900 [2022-10-16 16:44:21,033 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 16:44:21,034 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 553 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:21,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 643 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:21,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49900 states. [2022-10-16 16:44:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49900 to 49900. [2022-10-16 16:44:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49900 states, 49840 states have (on average 1.6371789727126806) internal successors, (81597), 49899 states have internal predecessors, (81597), 0 states have call successors, (0), 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 16:44:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49900 states to 49900 states and 81597 transitions. [2022-10-16 16:44:25,234 INFO L78 Accepts]: Start accepts. Automaton has 49900 states and 81597 transitions. Word has length 103 [2022-10-16 16:44:25,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:25,234 INFO L495 AbstractCegarLoop]: Abstraction has 49900 states and 81597 transitions. [2022-10-16 16:44:25,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 16:44:25,235 INFO L276 IsEmpty]: Start isEmpty. Operand 49900 states and 81597 transitions. [2022-10-16 16:44:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:44:25,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:25,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:25,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:44:25,236 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:25,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:25,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1510949114, now seen corresponding path program 1 times [2022-10-16 16:44:25,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:25,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947416775] [2022-10-16 16:44:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:25,340 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 16:44:25,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:25,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947416775] [2022-10-16 16:44:25,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947416775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:25,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:25,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:44:25,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123191917] [2022-10-16 16:44:25,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:25,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:25,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:25,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:25,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:25,343 INFO L87 Difference]: Start difference. First operand 49900 states and 81597 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 16:44:29,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:29,735 INFO L93 Difference]: Finished difference Result 49900 states and 81597 transitions. [2022-10-16 16:44:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:29,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:44:29,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:29,810 INFO L225 Difference]: With dead ends: 49900 [2022-10-16 16:44:29,810 INFO L226 Difference]: Without dead ends: 49897 [2022-10-16 16:44:29,823 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 16:44:29,824 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 544 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:29,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 637 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:29,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49897 states. [2022-10-16 16:44:34,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49897 to 49897. [2022-10-16 16:44:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49897 states, 49840 states have (on average 1.628892455858748) internal successors, (81184), 49896 states have internal predecessors, (81184), 0 states have call successors, (0), 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 16:44:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49897 states to 49897 states and 81184 transitions. [2022-10-16 16:44:34,251 INFO L78 Accepts]: Start accepts. Automaton has 49897 states and 81184 transitions. Word has length 109 [2022-10-16 16:44:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:34,251 INFO L495 AbstractCegarLoop]: Abstraction has 49897 states and 81184 transitions. [2022-10-16 16:44:34,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 16:44:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49897 states and 81184 transitions. [2022-10-16 16:44:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:44:34,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:34,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:34,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:44:34,253 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash -405217304, now seen corresponding path program 1 times [2022-10-16 16:44:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:34,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955130766] [2022-10-16 16:44:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:44:34,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:34,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955130766] [2022-10-16 16:44:34,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955130766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:34,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:34,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:44:34,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967584422] [2022-10-16 16:44:34,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:34,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:34,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:34,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:34,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:34,377 INFO L87 Difference]: Start difference. First operand 49897 states and 81184 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 16:44:38,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:38,825 INFO L93 Difference]: Finished difference Result 49897 states and 81184 transitions. [2022-10-16 16:44:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:38,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:44:38,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:38,904 INFO L225 Difference]: With dead ends: 49897 [2022-10-16 16:44:38,904 INFO L226 Difference]: Without dead ends: 49894 [2022-10-16 16:44:38,916 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 16:44:38,917 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 540 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:38,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 637 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:38,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49894 states. [2022-10-16 16:44:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49894 to 49894. [2022-10-16 16:44:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49894 states, 49840 states have (on average 1.6206059390048153) internal successors, (80771), 49893 states have internal predecessors, (80771), 0 states have call successors, (0), 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 16:44:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49894 states to 49894 states and 80771 transitions. [2022-10-16 16:44:43,445 INFO L78 Accepts]: Start accepts. Automaton has 49894 states and 80771 transitions. Word has length 110 [2022-10-16 16:44:43,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:43,446 INFO L495 AbstractCegarLoop]: Abstraction has 49894 states and 80771 transitions. [2022-10-16 16:44:43,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 16:44:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49894 states and 80771 transitions. [2022-10-16 16:44:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 16:44:43,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:43,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:43,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:44:43,448 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:43,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash -838577586, now seen corresponding path program 1 times [2022-10-16 16:44:43,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:43,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161955285] [2022-10-16 16:44:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:43,563 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 16:44:43,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:43,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161955285] [2022-10-16 16:44:43,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161955285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:43,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:43,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:44:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377615778] [2022-10-16 16:44:43,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:43,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:44:43,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:43,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:44:43,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:44:43,566 INFO L87 Difference]: Start difference. First operand 49894 states and 80771 transitions. Second operand has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 16:44:48,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:48,293 INFO L93 Difference]: Finished difference Result 49894 states and 80771 transitions. [2022-10-16 16:44:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:44:48,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2022-10-16 16:44:48,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:48,383 INFO L225 Difference]: With dead ends: 49894 [2022-10-16 16:44:48,383 INFO L226 Difference]: Without dead ends: 49891 [2022-10-16 16:44:48,395 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 16:44:48,397 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 516 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:48,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 704 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49891 states. [2022-10-16 16:44:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49891 to 49891. [2022-10-16 16:44:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49891 states, 49840 states have (on average 1.612379614767255) internal successors, (80361), 49890 states have internal predecessors, (80361), 0 states have call successors, (0), 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 16:44:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49891 states to 49891 states and 80361 transitions. [2022-10-16 16:44:53,187 INFO L78 Accepts]: Start accepts. Automaton has 49891 states and 80361 transitions. Word has length 144 [2022-10-16 16:44:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:44:53,188 INFO L495 AbstractCegarLoop]: Abstraction has 49891 states and 80361 transitions. [2022-10-16 16:44:53,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 72.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 16:44:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49891 states and 80361 transitions. [2022-10-16 16:44:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 16:44:53,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:44:53,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:44:53,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:44:53,189 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:44:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:44:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -226100873, now seen corresponding path program 1 times [2022-10-16 16:44:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:44:53,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506023671] [2022-10-16 16:44:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:44:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:44:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:44:53,340 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 16:44:53,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:44:53,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506023671] [2022-10-16 16:44:53,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506023671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:44:53,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:44:53,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:44:53,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446711424] [2022-10-16 16:44:53,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:44:53,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:44:53,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:44:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:44:53,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:44:53,343 INFO L87 Difference]: Start difference. First operand 49891 states and 80361 transitions. Second operand has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 16:44:58,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:44:58,237 INFO L93 Difference]: Finished difference Result 49891 states and 80361 transitions. [2022-10-16 16:44:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:44:58,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2022-10-16 16:44:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:44:58,316 INFO L225 Difference]: With dead ends: 49891 [2022-10-16 16:44:58,316 INFO L226 Difference]: Without dead ends: 49888 [2022-10-16 16:44:58,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:44:58,329 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 469 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:44:58,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1326 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:44:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49888 states. [2022-10-16 16:45:03,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49888 to 49888. [2022-10-16 16:45:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49888 states, 49840 states have (on average 1.6041532905296951) internal successors, (79951), 49887 states have internal predecessors, (79951), 0 states have call successors, (0), 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 16:45:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49888 states to 49888 states and 79951 transitions. [2022-10-16 16:45:03,191 INFO L78 Accepts]: Start accepts. Automaton has 49888 states and 79951 transitions. Word has length 145 [2022-10-16 16:45:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:03,192 INFO L495 AbstractCegarLoop]: Abstraction has 49888 states and 79951 transitions. [2022-10-16 16:45:03,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 16:45:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49888 states and 79951 transitions. [2022-10-16 16:45:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 16:45:03,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:03,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:03,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:45:03,194 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:45:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash 955845296, now seen corresponding path program 1 times [2022-10-16 16:45:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:03,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823152220] [2022-10-16 16:45:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:03,373 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 16:45:03,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:03,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823152220] [2022-10-16 16:45:03,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823152220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:03,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:03,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:45:03,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697710251] [2022-10-16 16:45:03,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:03,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:03,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:03,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:03,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:03,376 INFO L87 Difference]: Start difference. First operand 49888 states and 79951 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 16:45:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:13,120 INFO L93 Difference]: Finished difference Result 134184 states and 215580 transitions. [2022-10-16 16:45:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:13,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2022-10-16 16:45:13,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:13,288 INFO L225 Difference]: With dead ends: 134184 [2022-10-16 16:45:13,288 INFO L226 Difference]: Without dead ends: 96344 [2022-10-16 16:45:13,343 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 16:45:13,343 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 400 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:13,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1092 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:45:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96344 states.