/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:05:02,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:05:02,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:05:02,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:05:02,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:05:02,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:05:02,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:05:02,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:05:02,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:05:02,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:05:02,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:05:02,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:05:02,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:05:02,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:05:02,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:05:02,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:05:02,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:05:02,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:05:02,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:05:02,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:05:02,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:05:02,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:05:02,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:05:02,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:05:02,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:05:02,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:05:02,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:05:02,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:05:02,217 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 16:05:02,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:05:02,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:05:02,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:05:02,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:05:02,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:05:02,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:05:02,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:05:02,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:05:02,272 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:05:02,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:05:02,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:05:02,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:05:02,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:05:02,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:05:02,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:05:02,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:05:02,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:05:02,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:05:02,275 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:05:02,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:05:02,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:05:02,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:05:02,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:05:02,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:05:02,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:05:02,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:05:02,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:05:02,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:05:02,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:05:02,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:05:02,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:05:02,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:05:02,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:05:02,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:05:02,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:05:02,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:05:02,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:05:02,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:05:02,673 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:05:02,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:05:02,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6752f6d/a3c8686f1d9947e09768ea5fd58c6b1d/FLAG65c955426 [2022-10-16 16:05:03,503 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:05:03,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:05:03,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6752f6d/a3c8686f1d9947e09768ea5fd58c6b1d/FLAG65c955426 [2022-10-16 16:05:03,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6752f6d/a3c8686f1d9947e09768ea5fd58c6b1d [2022-10-16 16:05:03,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:05:03,805 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:05:03,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:05:03,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:05:03,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:05:03,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:05:03" (1/1) ... [2022-10-16 16:05:03,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@867841e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:03, skipping insertion in model container [2022-10-16 16:05:03,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:05:03" (1/1) ... [2022-10-16 16:05:03,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:05:03,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:05:04,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[5339,5352] [2022-10-16 16:05:04,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:05:04,143 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:05:04,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[5339,5352] [2022-10-16 16:05:04,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:05:04,296 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:05:04,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04 WrapperNode [2022-10-16 16:05:04,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:05:04,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:05:04,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:05:04,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:05:04,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,424 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 436 [2022-10-16 16:05:04,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:05:04,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:05:04,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:05:04,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:05:04,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:05:04,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:05:04,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:05:04,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:05:04,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (1/1) ... [2022-10-16 16:05:04,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:05:04,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:05:04,519 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 16:05:04,536 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 16:05:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:05:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:05:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:05:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:05:04,735 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:05:04,738 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:05:05,365 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:05:05,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:05:05,377 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:05:05,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:05:05 BoogieIcfgContainer [2022-10-16 16:05:05,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:05:05,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:05:05,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:05:05,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:05:05,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:05:03" (1/3) ... [2022-10-16 16:05:05,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43abd17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:05:05, skipping insertion in model container [2022-10-16 16:05:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:05:04" (2/3) ... [2022-10-16 16:05:05,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43abd17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:05:05, skipping insertion in model container [2022-10-16 16:05:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:05:05" (3/3) ... [2022-10-16 16:05:05,391 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-16 16:05:05,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:05:05,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-16 16:05:05,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:05:05,489 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;@2483a47f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:05:05,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-16 16:05:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 124 states have (on average 1.75) internal successors, (217), 146 states have internal predecessors, (217), 0 states have call successors, (0), 0 states 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 16:05:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:05:05,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:05,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:05:05,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:05,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:05,510 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:05:05,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:05,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279250586] [2022-10-16 16:05:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:05,750 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 16:05:05,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:05,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279250586] [2022-10-16 16:05:05,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279250586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:05,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:05,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:05:05,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11515444] [2022-10-16 16:05:05,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:05,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:05:05,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:05,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:05:05,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:05:05,800 INFO L87 Difference]: Start difference. First operand has 147 states, 124 states have (on average 1.75) internal successors, (217), 146 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:05,831 INFO L93 Difference]: Finished difference Result 150 states and 219 transitions. [2022-10-16 16:05:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:05:05,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:05:05,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:05,847 INFO L225 Difference]: With dead ends: 150 [2022-10-16 16:05:05,847 INFO L226 Difference]: Without dead ends: 138 [2022-10-16 16:05:05,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:05:05,861 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:05,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-16 16:05:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-10-16 16:05:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 137 states have internal predecessors, (182), 0 states have call successors, (0), 0 states 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 16:05:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 182 transitions. [2022-10-16 16:05:05,952 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 182 transitions. Word has length 4 [2022-10-16 16:05:05,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:05,953 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 182 transitions. [2022-10-16 16:05:05,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2022-10-16 16:05:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:05:05,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:05,959 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] [2022-10-16 16:05:05,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:05:05,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:05,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:05,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1166946894, now seen corresponding path program 1 times [2022-10-16 16:05:05,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:05,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091973279] [2022-10-16 16:05:05,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:05,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:06,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:06,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:06,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091973279] [2022-10-16 16:05:06,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091973279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:06,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:06,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:06,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018119468] [2022-10-16 16:05:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:06,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:06,318 INFO L87 Difference]: Start difference. First operand 138 states and 182 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 16:05:06,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:06,404 INFO L93 Difference]: Finished difference Result 333 states and 458 transitions. [2022-10-16 16:05:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:06,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-16 16:05:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:06,408 INFO L225 Difference]: With dead ends: 333 [2022-10-16 16:05:06,408 INFO L226 Difference]: Without dead ends: 228 [2022-10-16 16:05:06,409 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 16:05:06,411 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 133 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:06,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 453 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-16 16:05:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 214. [2022-10-16 16:05:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 198 states have (on average 1.5555555555555556) internal successors, (308), 213 states have internal predecessors, (308), 0 states have call successors, (0), 0 states 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 16:05:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 308 transitions. [2022-10-16 16:05:06,443 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 308 transitions. Word has length 36 [2022-10-16 16:05:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:06,449 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 308 transitions. [2022-10-16 16:05:06,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 16:05:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 308 transitions. [2022-10-16 16:05:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:05:06,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:06,454 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] [2022-10-16 16:05:06,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:05:06,454 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1167666876, now seen corresponding path program 1 times [2022-10-16 16:05:06,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:06,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392740917] [2022-10-16 16:05:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:06,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:06,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392740917] [2022-10-16 16:05:06,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392740917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:06,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:06,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:06,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89544980] [2022-10-16 16:05:06,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:06,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:06,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:06,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:06,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:06,607 INFO L87 Difference]: Start difference. First operand 214 states and 308 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 16:05:06,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:06,667 INFO L93 Difference]: Finished difference Result 544 states and 806 transitions. [2022-10-16 16:05:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:06,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:05:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:06,672 INFO L225 Difference]: With dead ends: 544 [2022-10-16 16:05:06,672 INFO L226 Difference]: Without dead ends: 363 [2022-10-16 16:05:06,673 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 16:05:06,675 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 133 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:06,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 434 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-10-16 16:05:06,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 347. [2022-10-16 16:05:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 331 states have (on average 1.5981873111782476) internal successors, (529), 346 states have internal predecessors, (529), 0 states have call successors, (0), 0 states 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 16:05:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 529 transitions. [2022-10-16 16:05:06,766 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 529 transitions. Word has length 51 [2022-10-16 16:05:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:06,767 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 529 transitions. [2022-10-16 16:05:06,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 16:05:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 529 transitions. [2022-10-16 16:05:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:05:06,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:06,769 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] [2022-10-16 16:05:06,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:05:06,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:06,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:06,771 INFO L85 PathProgramCache]: Analyzing trace with hash 43023625, now seen corresponding path program 1 times [2022-10-16 16:05:06,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:06,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440274146] [2022-10-16 16:05:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:06,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:06,881 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 16:05:06,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:06,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440274146] [2022-10-16 16:05:06,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440274146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:06,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:06,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:06,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240150440] [2022-10-16 16:05:06,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:06,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:06,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:06,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:06,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:06,885 INFO L87 Difference]: Start difference. First operand 347 states and 529 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 16:05:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:06,956 INFO L93 Difference]: Finished difference Result 911 states and 1417 transitions. [2022-10-16 16:05:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:05:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:06,961 INFO L225 Difference]: With dead ends: 911 [2022-10-16 16:05:06,961 INFO L226 Difference]: Without dead ends: 597 [2022-10-16 16:05:06,963 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 16:05:06,965 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 128 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:06,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 419 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:06,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-10-16 16:05:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 581. [2022-10-16 16:05:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 565 states have (on average 1.6230088495575221) internal successors, (917), 580 states have internal predecessors, (917), 0 states have call successors, (0), 0 states 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 16:05:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 917 transitions. [2022-10-16 16:05:07,028 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 917 transitions. Word has length 52 [2022-10-16 16:05:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:07,028 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 917 transitions. [2022-10-16 16:05:07,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 16:05:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 917 transitions. [2022-10-16 16:05:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:05:07,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:07,031 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] [2022-10-16 16:05:07,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:05:07,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2019719589, now seen corresponding path program 1 times [2022-10-16 16:05:07,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:07,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156204562] [2022-10-16 16:05:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:07,158 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 16:05:07,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:07,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156204562] [2022-10-16 16:05:07,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156204562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:07,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:07,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:07,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199466546] [2022-10-16 16:05:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:07,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:07,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:07,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:07,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:07,163 INFO L87 Difference]: Start difference. First operand 581 states and 917 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 16:05:07,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:07,277 INFO L93 Difference]: Finished difference Result 1549 states and 2477 transitions. [2022-10-16 16:05:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:07,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 16:05:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:07,288 INFO L225 Difference]: With dead ends: 1549 [2022-10-16 16:05:07,288 INFO L226 Difference]: Without dead ends: 1001 [2022-10-16 16:05:07,289 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 16:05:07,298 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 123 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:07,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 404 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-10-16 16:05:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 985. [2022-10-16 16:05:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 969 states have (on average 1.6357069143446852) internal successors, (1585), 984 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states 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 16:05:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1585 transitions. [2022-10-16 16:05:07,430 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1585 transitions. Word has length 53 [2022-10-16 16:05:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:07,432 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1585 transitions. [2022-10-16 16:05:07,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 16:05:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1585 transitions. [2022-10-16 16:05:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:05:07,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:07,438 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] [2022-10-16 16:05:07,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:05:07,439 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:07,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:07,441 INFO L85 PathProgramCache]: Analyzing trace with hash -281507434, now seen corresponding path program 1 times [2022-10-16 16:05:07,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:07,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661640392] [2022-10-16 16:05:07,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:07,617 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 16:05:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:07,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661640392] [2022-10-16 16:05:07,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661640392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:07,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:07,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:07,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598301724] [2022-10-16 16:05:07,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:07,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:07,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:07,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:07,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:07,621 INFO L87 Difference]: Start difference. First operand 985 states and 1585 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 16:05:08,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:08,036 INFO L93 Difference]: Finished difference Result 2887 states and 4689 transitions. [2022-10-16 16:05:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:08,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 16:05:08,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:08,055 INFO L225 Difference]: With dead ends: 2887 [2022-10-16 16:05:08,055 INFO L226 Difference]: Without dead ends: 2885 [2022-10-16 16:05:08,056 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 16:05:08,065 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 437 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:08,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 442 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:08,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2022-10-16 16:05:08,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 1921. [2022-10-16 16:05:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1905 states have (on average 1.6299212598425197) internal successors, (3105), 1920 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 16:05:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 3105 transitions. [2022-10-16 16:05:08,306 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 3105 transitions. Word has length 54 [2022-10-16 16:05:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:08,307 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 3105 transitions. [2022-10-16 16:05:08,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 16:05:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 3105 transitions. [2022-10-16 16:05:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:05:08,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:08,308 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] [2022-10-16 16:05:08,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:05:08,309 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash -136795667, now seen corresponding path program 1 times [2022-10-16 16:05:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:08,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591124121] [2022-10-16 16:05:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:08,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:08,403 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 16:05:08,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:08,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591124121] [2022-10-16 16:05:08,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591124121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:08,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:08,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:08,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493262104] [2022-10-16 16:05:08,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:08,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:08,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:08,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:08,406 INFO L87 Difference]: Start difference. First operand 1921 states and 3105 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 16:05:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:08,776 INFO L93 Difference]: Finished difference Result 2871 states and 4657 transitions. [2022-10-16 16:05:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:08,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-16 16:05:08,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:08,792 INFO L225 Difference]: With dead ends: 2871 [2022-10-16 16:05:08,793 INFO L226 Difference]: Without dead ends: 2869 [2022-10-16 16:05:08,794 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 16:05:08,795 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 436 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:08,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 294 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-10-16 16:05:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2857. [2022-10-16 16:05:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2841 states have (on average 1.6166842661034846) internal successors, (4593), 2856 states have internal predecessors, (4593), 0 states have call successors, (0), 0 states 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 16:05:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 4593 transitions. [2022-10-16 16:05:09,133 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 4593 transitions. Word has length 55 [2022-10-16 16:05:09,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:09,135 INFO L495 AbstractCegarLoop]: Abstraction has 2857 states and 4593 transitions. [2022-10-16 16:05:09,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 16:05:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 4593 transitions. [2022-10-16 16:05:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:05:09,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:09,138 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] [2022-10-16 16:05:09,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:05:09,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash 54301816, now seen corresponding path program 1 times [2022-10-16 16:05:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:09,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903063027] [2022-10-16 16:05:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:09,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:09,330 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 16:05:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:09,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903063027] [2022-10-16 16:05:09,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903063027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:09,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:09,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152950207] [2022-10-16 16:05:09,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:09,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:09,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:09,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:09,333 INFO L87 Difference]: Start difference. First operand 2857 states and 4593 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 16:05:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:09,940 INFO L93 Difference]: Finished difference Result 4765 states and 7601 transitions. [2022-10-16 16:05:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:05:09,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-10-16 16:05:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:09,965 INFO L225 Difference]: With dead ends: 4765 [2022-10-16 16:05:09,965 INFO L226 Difference]: Without dead ends: 4763 [2022-10-16 16:05:09,967 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 16:05:09,968 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 731 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:09,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 715 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4763 states. [2022-10-16 16:05:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4763 to 3793. [2022-10-16 16:05:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3793 states, 3777 states have (on average 1.6015356102727032) internal successors, (6049), 3792 states have internal predecessors, (6049), 0 states have call successors, (0), 0 states 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 16:05:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 3793 states and 6049 transitions. [2022-10-16 16:05:10,432 INFO L78 Accepts]: Start accepts. Automaton has 3793 states and 6049 transitions. Word has length 56 [2022-10-16 16:05:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:10,433 INFO L495 AbstractCegarLoop]: Abstraction has 3793 states and 6049 transitions. [2022-10-16 16:05:10,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 16:05:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3793 states and 6049 transitions. [2022-10-16 16:05:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:05:10,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:10,434 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] [2022-10-16 16:05:10,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:05:10,435 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:10,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:10,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1683356495, now seen corresponding path program 1 times [2022-10-16 16:05:10,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:10,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739838833] [2022-10-16 16:05:10,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:10,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:10,536 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 16:05:10,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:10,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739838833] [2022-10-16 16:05:10,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739838833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:10,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:10,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:10,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406161277] [2022-10-16 16:05:10,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:10,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:10,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:10,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:10,539 INFO L87 Difference]: Start difference. First operand 3793 states and 6049 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 16:05:11,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:11,213 INFO L93 Difference]: Finished difference Result 4753 states and 7569 transitions. [2022-10-16 16:05:11,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:11,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-16 16:05:11,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:11,241 INFO L225 Difference]: With dead ends: 4753 [2022-10-16 16:05:11,241 INFO L226 Difference]: Without dead ends: 4751 [2022-10-16 16:05:11,247 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 16:05:11,250 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 838 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:11,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 455 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:11,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4751 states. [2022-10-16 16:05:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4751 to 4729. [2022-10-16 16:05:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4713 states have (on average 1.5856142584341184) internal successors, (7473), 4728 states have internal predecessors, (7473), 0 states have call successors, (0), 0 states 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 16:05:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 7473 transitions. [2022-10-16 16:05:11,879 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 7473 transitions. Word has length 57 [2022-10-16 16:05:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:11,880 INFO L495 AbstractCegarLoop]: Abstraction has 4729 states and 7473 transitions. [2022-10-16 16:05:11,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 16:05:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 7473 transitions. [2022-10-16 16:05:11,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:05:11,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:11,882 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] [2022-10-16 16:05:11,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:05:11,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:11,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash 644443994, now seen corresponding path program 1 times [2022-10-16 16:05:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:11,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776916951] [2022-10-16 16:05:11,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:11,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:12,047 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 16:05:12,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:12,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776916951] [2022-10-16 16:05:12,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776916951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:12,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:12,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:12,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244721174] [2022-10-16 16:05:12,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:12,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:12,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:12,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:12,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:12,050 INFO L87 Difference]: Start difference. First operand 4729 states and 7473 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 16:05:12,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:12,985 INFO L93 Difference]: Finished difference Result 12269 states and 19345 transitions. [2022-10-16 16:05:12,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:05:12,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 16:05:12,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:13,046 INFO L225 Difference]: With dead ends: 12269 [2022-10-16 16:05:13,046 INFO L226 Difference]: Without dead ends: 7573 [2022-10-16 16:05:13,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:05:13,056 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 1109 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:13,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1015 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:13,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2022-10-16 16:05:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 5665. [2022-10-16 16:05:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 5649 states have (on average 1.5636395822269429) internal successors, (8833), 5664 states have internal predecessors, (8833), 0 states have call successors, (0), 0 states 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 16:05:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 8833 transitions. [2022-10-16 16:05:13,758 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 8833 transitions. Word has length 58 [2022-10-16 16:05:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:13,759 INFO L495 AbstractCegarLoop]: Abstraction has 5665 states and 8833 transitions. [2022-10-16 16:05:13,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 16:05:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 8833 transitions. [2022-10-16 16:05:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:05:13,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:13,760 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] [2022-10-16 16:05:13,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:05:13,761 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1497072463, now seen corresponding path program 1 times [2022-10-16 16:05:13,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:13,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658632123] [2022-10-16 16:05:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:13,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:13,945 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 16:05:13,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:13,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658632123] [2022-10-16 16:05:13,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658632123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:13,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:13,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:13,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576819515] [2022-10-16 16:05:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:13,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:13,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:13,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:13,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:13,949 INFO L87 Difference]: Start difference. First operand 5665 states and 8833 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 16:05:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:15,095 INFO L93 Difference]: Finished difference Result 9459 states and 14849 transitions. [2022-10-16 16:05:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:05:15,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 16:05:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:15,126 INFO L225 Difference]: With dead ends: 9459 [2022-10-16 16:05:15,127 INFO L226 Difference]: Without dead ends: 9457 [2022-10-16 16:05:15,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:05:15,132 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1445 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:15,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 887 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9457 states. [2022-10-16 16:05:16,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9457 to 9409. [2022-10-16 16:05:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9409 states, 9393 states have (on average 1.5604173320557861) internal successors, (14657), 9408 states have internal predecessors, (14657), 0 states have call successors, (0), 0 states 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 16:05:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9409 states to 9409 states and 14657 transitions. [2022-10-16 16:05:16,065 INFO L78 Accepts]: Start accepts. Automaton has 9409 states and 14657 transitions. Word has length 59 [2022-10-16 16:05:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:16,065 INFO L495 AbstractCegarLoop]: Abstraction has 9409 states and 14657 transitions. [2022-10-16 16:05:16,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 16:05:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 9409 states and 14657 transitions. [2022-10-16 16:05:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:05:16,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:16,067 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 16:05:16,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:05:16,067 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:16,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:16,068 INFO L85 PathProgramCache]: Analyzing trace with hash -966006687, now seen corresponding path program 1 times [2022-10-16 16:05:16,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:16,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131673903] [2022-10-16 16:05:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:16,143 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 16:05:16,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:16,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131673903] [2022-10-16 16:05:16,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131673903] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:16,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:16,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:05:16,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566425633] [2022-10-16 16:05:16,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:16,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:16,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:16,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:16,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:16,146 INFO L87 Difference]: Start difference. First operand 9409 states and 14657 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 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 16:05:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:17,112 INFO L93 Difference]: Finished difference Result 9478 states and 14748 transitions. [2022-10-16 16:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 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 16:05:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:17,140 INFO L225 Difference]: With dead ends: 9478 [2022-10-16 16:05:17,140 INFO L226 Difference]: Without dead ends: 9476 [2022-10-16 16:05:17,145 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 16:05:17,146 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 58 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:17,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 351 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:17,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2022-10-16 16:05:17,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 9476. [2022-10-16 16:05:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9476 states, 9460 states have (on average 1.5587737843551797) internal successors, (14746), 9475 states have internal predecessors, (14746), 0 states have call successors, (0), 0 states 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 16:05:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9476 states to 9476 states and 14746 transitions. [2022-10-16 16:05:17,911 INFO L78 Accepts]: Start accepts. Automaton has 9476 states and 14746 transitions. Word has length 64 [2022-10-16 16:05:17,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:17,911 INFO L495 AbstractCegarLoop]: Abstraction has 9476 states and 14746 transitions. [2022-10-16 16:05:17,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 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 16:05:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9476 states and 14746 transitions. [2022-10-16 16:05:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:05:17,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:17,913 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:17,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:05:17,913 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:17,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:17,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1676979970, now seen corresponding path program 1 times [2022-10-16 16:05:17,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:17,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112575511] [2022-10-16 16:05:17,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:17,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:05:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:17,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112575511] [2022-10-16 16:05:17,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112575511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:17,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:17,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:05:17,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736054817] [2022-10-16 16:05:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:17,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:17,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:17,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:17,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:17,990 INFO L87 Difference]: Start difference. First operand 9476 states and 14746 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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 16:05:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:18,602 INFO L93 Difference]: Finished difference Result 9476 states and 14746 transitions. [2022-10-16 16:05:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:18,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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 68 [2022-10-16 16:05:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:18,626 INFO L225 Difference]: With dead ends: 9476 [2022-10-16 16:05:18,626 INFO L226 Difference]: Without dead ends: 9475 [2022-10-16 16:05:18,630 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 16:05:18,631 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:18,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 175 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:18,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9475 states. [2022-10-16 16:05:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9475 to 9475. [2022-10-16 16:05:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9475 states, 9460 states have (on average 1.5503171247357295) internal successors, (14666), 9474 states have internal predecessors, (14666), 0 states have call successors, (0), 0 states 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 16:05:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9475 states to 9475 states and 14666 transitions. [2022-10-16 16:05:19,343 INFO L78 Accepts]: Start accepts. Automaton has 9475 states and 14666 transitions. Word has length 68 [2022-10-16 16:05:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:19,343 INFO L495 AbstractCegarLoop]: Abstraction has 9475 states and 14666 transitions. [2022-10-16 16:05:19,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 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 16:05:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 9475 states and 14666 transitions. [2022-10-16 16:05:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:05:19,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:19,345 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:19,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:05:19,345 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:19,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:19,346 INFO L85 PathProgramCache]: Analyzing trace with hash 446771648, now seen corresponding path program 1 times [2022-10-16 16:05:19,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:19,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469907133] [2022-10-16 16:05:19,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:05:19,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:19,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469907133] [2022-10-16 16:05:19,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469907133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:19,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:19,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:05:19,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397467070] [2022-10-16 16:05:19,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:19,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:19,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:19,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:19,437 INFO L87 Difference]: Start difference. First operand 9475 states and 14666 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 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 16:05:20,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:20,313 INFO L93 Difference]: Finished difference Result 9475 states and 14666 transitions. [2022-10-16 16:05:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:20,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 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 69 [2022-10-16 16:05:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:20,338 INFO L225 Difference]: With dead ends: 9475 [2022-10-16 16:05:20,339 INFO L226 Difference]: Without dead ends: 9474 [2022-10-16 16:05:20,343 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 16:05:20,344 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:20,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 175 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9474 states. [2022-10-16 16:05:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9474 to 9474. [2022-10-16 16:05:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9474 states, 9460 states have (on average 1.541860465116279) internal successors, (14586), 9473 states have internal predecessors, (14586), 0 states have call successors, (0), 0 states 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 16:05:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9474 states to 9474 states and 14586 transitions. [2022-10-16 16:05:21,209 INFO L78 Accepts]: Start accepts. Automaton has 9474 states and 14586 transitions. Word has length 69 [2022-10-16 16:05:21,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:21,210 INFO L495 AbstractCegarLoop]: Abstraction has 9474 states and 14586 transitions. [2022-10-16 16:05:21,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 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 16:05:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 9474 states and 14586 transitions. [2022-10-16 16:05:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:05:21,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:21,213 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:21,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:05:21,213 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:21,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:21,214 INFO L85 PathProgramCache]: Analyzing trace with hash -264439068, now seen corresponding path program 1 times [2022-10-16 16:05:21,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:21,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14584168] [2022-10-16 16:05:21,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:21,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:21,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:21,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14584168] [2022-10-16 16:05:21,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14584168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:21,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:21,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:21,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718901434] [2022-10-16 16:05:21,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:21,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:21,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:21,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:21,290 INFO L87 Difference]: Start difference. First operand 9474 states and 14586 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 16:05:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:22,498 INFO L93 Difference]: Finished difference Result 27389 states and 42134 transitions. [2022-10-16 16:05:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:22,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 16:05:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:22,539 INFO L225 Difference]: With dead ends: 27389 [2022-10-16 16:05:22,539 INFO L226 Difference]: Without dead ends: 18015 [2022-10-16 16:05:22,555 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 16:05:22,556 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 102 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:22,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 361 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:22,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18015 states. [2022-10-16 16:05:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18015 to 18001. [2022-10-16 16:05:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18001 states, 17987 states have (on average 1.5294379273920053) internal successors, (27510), 18000 states have internal predecessors, (27510), 0 states have call successors, (0), 0 states 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 16:05:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18001 states to 18001 states and 27510 transitions. [2022-10-16 16:05:24,221 INFO L78 Accepts]: Start accepts. Automaton has 18001 states and 27510 transitions. Word has length 86 [2022-10-16 16:05:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:24,221 INFO L495 AbstractCegarLoop]: Abstraction has 18001 states and 27510 transitions. [2022-10-16 16:05:24,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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 16:05:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18001 states and 27510 transitions. [2022-10-16 16:05:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:24,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:24,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:24,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:05:24,226 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:24,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:24,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1738280814, now seen corresponding path program 1 times [2022-10-16 16:05:24,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:24,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756913253] [2022-10-16 16:05:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:24,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 16:05:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:24,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756913253] [2022-10-16 16:05:24,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756913253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:24,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:24,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:24,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517586484] [2022-10-16 16:05:24,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:24,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:24,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:24,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:24,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:24,380 INFO L87 Difference]: Start difference. First operand 18001 states and 27510 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 16:05:26,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:26,613 INFO L93 Difference]: Finished difference Result 25157 states and 38646 transitions. [2022-10-16 16:05:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:26,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 88 [2022-10-16 16:05:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:26,655 INFO L225 Difference]: With dead ends: 25157 [2022-10-16 16:05:26,655 INFO L226 Difference]: Without dead ends: 25155 [2022-10-16 16:05:26,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:26,663 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 233 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:26,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 548 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states. [2022-10-16 16:05:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 21569. [2022-10-16 16:05:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21569 states, 21555 states have (on average 1.5316167942472745) internal successors, (33014), 21568 states have internal predecessors, (33014), 0 states have call successors, (0), 0 states 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 16:05:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21569 states to 21569 states and 33014 transitions. [2022-10-16 16:05:28,673 INFO L78 Accepts]: Start accepts. Automaton has 21569 states and 33014 transitions. Word has length 88 [2022-10-16 16:05:28,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:28,673 INFO L495 AbstractCegarLoop]: Abstraction has 21569 states and 33014 transitions. [2022-10-16 16:05:28,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 16:05:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 21569 states and 33014 transitions. [2022-10-16 16:05:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:28,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:28,678 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:28,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:05:28,678 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:28,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:28,679 INFO L85 PathProgramCache]: Analyzing trace with hash -8448378, now seen corresponding path program 1 times [2022-10-16 16:05:28,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:28,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861011124] [2022-10-16 16:05:28,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:28,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:28,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861011124] [2022-10-16 16:05:28,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861011124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:28,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:28,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:28,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216705816] [2022-10-16 16:05:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:28,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:28,757 INFO L87 Difference]: Start difference. First operand 21569 states and 33014 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 16:05:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:32,158 INFO L93 Difference]: Finished difference Result 63368 states and 96897 transitions. [2022-10-16 16:05:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:32,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:05:32,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:32,216 INFO L225 Difference]: With dead ends: 63368 [2022-10-16 16:05:32,216 INFO L226 Difference]: Without dead ends: 41946 [2022-10-16 16:05:32,245 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 16:05:32,246 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 100 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:32,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 358 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41946 states. [2022-10-16 16:05:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41946 to 41932. [2022-10-16 16:05:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41932 states, 41918 states have (on average 1.5191803044038361) internal successors, (63681), 41931 states have internal predecessors, (63681), 0 states have call successors, (0), 0 states 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 16:05:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41932 states to 41932 states and 63681 transitions. [2022-10-16 16:05:36,137 INFO L78 Accepts]: Start accepts. Automaton has 41932 states and 63681 transitions. Word has length 88 [2022-10-16 16:05:36,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:36,137 INFO L495 AbstractCegarLoop]: Abstraction has 41932 states and 63681 transitions. [2022-10-16 16:05:36,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 16:05:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 41932 states and 63681 transitions. [2022-10-16 16:05:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:36,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:36,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:36,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:05:36,144 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:36,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:36,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1286542115, now seen corresponding path program 1 times [2022-10-16 16:05:36,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:36,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827899163] [2022-10-16 16:05:36,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:36,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:36,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:36,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827899163] [2022-10-16 16:05:36,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827899163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:36,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:36,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:36,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275538023] [2022-10-16 16:05:36,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:36,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:36,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:36,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:36,236 INFO L87 Difference]: Start difference. First operand 41932 states and 63681 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 16:05:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:42,903 INFO L93 Difference]: Finished difference Result 121200 states and 183653 transitions. [2022-10-16 16:05:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:42,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:05:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:43,033 INFO L225 Difference]: With dead ends: 121200 [2022-10-16 16:05:43,033 INFO L226 Difference]: Without dead ends: 79522 [2022-10-16 16:05:43,076 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 16:05:43,077 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 103 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:43,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 376 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79522 states. [2022-10-16 16:05:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79522 to 79508. [2022-10-16 16:05:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79508 states, 79494 states have (on average 1.5035725966739628) internal successors, (119525), 79507 states have internal predecessors, (119525), 0 states have call successors, (0), 0 states 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 16:05:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79508 states to 79508 states and 119525 transitions. [2022-10-16 16:05:50,372 INFO L78 Accepts]: Start accepts. Automaton has 79508 states and 119525 transitions. Word has length 88 [2022-10-16 16:05:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:50,375 INFO L495 AbstractCegarLoop]: Abstraction has 79508 states and 119525 transitions. [2022-10-16 16:05:50,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 16:05:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 79508 states and 119525 transitions. [2022-10-16 16:05:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:05:50,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:50,402 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:50,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:05:50,403 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:05:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash 254422132, now seen corresponding path program 1 times [2022-10-16 16:05:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:50,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226224919] [2022-10-16 16:05:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 16:05:50,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:50,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226224919] [2022-10-16 16:05:50,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226224919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:50,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:50,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:50,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320020677] [2022-10-16 16:05:50,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:50,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:50,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:50,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:50,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:50,571 INFO L87 Difference]: Start difference. First operand 79508 states and 119525 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 16:05:58,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:58,732 INFO L93 Difference]: Finished difference Result 92716 states and 139493 transitions. [2022-10-16 16:05:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:58,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 90 [2022-10-16 16:05:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:58,865 INFO L225 Difference]: With dead ends: 92716 [2022-10-16 16:05:58,865 INFO L226 Difference]: Without dead ends: 92714 [2022-10-16 16:05:58,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:05:58,883 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 523 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:58,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 728 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:58,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92714 states. [2022-10-16 16:06:06,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92714 to 92692. [2022-10-16 16:06:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92692 states, 92678 states have (on average 1.4996115582986254) internal successors, (138981), 92691 states have internal predecessors, (138981), 0 states have call successors, (0), 0 states 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 16:06:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92692 states to 92692 states and 138981 transitions. [2022-10-16 16:06:07,334 INFO L78 Accepts]: Start accepts. Automaton has 92692 states and 138981 transitions. Word has length 90 [2022-10-16 16:06:07,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:07,335 INFO L495 AbstractCegarLoop]: Abstraction has 92692 states and 138981 transitions. [2022-10-16 16:06:07,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 16:06:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 92692 states and 138981 transitions. [2022-10-16 16:06:07,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:06:07,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:07,345 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:07,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:06:07,345 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:06:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:07,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2048105556, now seen corresponding path program 1 times [2022-10-16 16:06:07,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:07,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109360721] [2022-10-16 16:06:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:06:07,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:07,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109360721] [2022-10-16 16:06:07,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109360721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:07,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:07,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:07,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329024883] [2022-10-16 16:06:07,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:07,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:07,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:07,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:07,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:07,527 INFO L87 Difference]: Start difference. First operand 92692 states and 138981 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 16:06:16,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:16,968 INFO L93 Difference]: Finished difference Result 105898 states and 158437 transitions. [2022-10-16 16:06:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:16,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 90 [2022-10-16 16:06:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:17,138 INFO L225 Difference]: With dead ends: 105898 [2022-10-16 16:06:17,138 INFO L226 Difference]: Without dead ends: 105896 [2022-10-16 16:06:17,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:06:17,164 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 518 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:17,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 712 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:17,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105896 states. [2022-10-16 16:06:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105896 to 102596. [2022-10-16 16:06:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102596 states, 102582 states have (on average 1.494579945799458) internal successors, (153317), 102595 states have internal predecessors, (153317), 0 states have call successors, (0), 0 states 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 16:06:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102596 states to 102596 states and 153317 transitions. [2022-10-16 16:06:26,677 INFO L78 Accepts]: Start accepts. Automaton has 102596 states and 153317 transitions. Word has length 90 [2022-10-16 16:06:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:26,678 INFO L495 AbstractCegarLoop]: Abstraction has 102596 states and 153317 transitions. [2022-10-16 16:06:26,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 16:06:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 102596 states and 153317 transitions. [2022-10-16 16:06:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:06:26,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:26,686 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:26,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:06:26,686 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:06:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:26,687 INFO L85 PathProgramCache]: Analyzing trace with hash -989150356, now seen corresponding path program 1 times [2022-10-16 16:06:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:26,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790131355] [2022-10-16 16:06:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:26,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:26,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790131355] [2022-10-16 16:06:26,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790131355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:26,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:26,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:06:26,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456619176] [2022-10-16 16:06:26,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:26,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:06:26,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:26,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:06:26,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:06:26,763 INFO L87 Difference]: Start difference. First operand 102596 states and 153317 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 16:06:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:44,954 INFO L93 Difference]: Finished difference Result 296264 states and 441301 transitions. [2022-10-16 16:06:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:06:44,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 16:06:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:45,407 INFO L225 Difference]: With dead ends: 296264 [2022-10-16 16:06:45,407 INFO L226 Difference]: Without dead ends: 194058 [2022-10-16 16:06:45,553 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 16:06:45,554 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 104 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:45,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 395 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:06:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194058 states. [2022-10-16 16:07:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194058 to 194044. [2022-10-16 16:07:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194044 states, 194030 states have (on average 1.4764984796165541) internal successors, (286485), 194043 states have internal predecessors, (286485), 0 states have call successors, (0), 0 states 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 16:07:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194044 states to 194044 states and 286485 transitions. [2022-10-16 16:07:04,923 INFO L78 Accepts]: Start accepts. Automaton has 194044 states and 286485 transitions. Word has length 90 [2022-10-16 16:07:04,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:04,923 INFO L495 AbstractCegarLoop]: Abstraction has 194044 states and 286485 transitions. [2022-10-16 16:07:04,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 16:07:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 194044 states and 286485 transitions. [2022-10-16 16:07:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:07:04,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:04,937 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:04,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:07:04,937 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 16:07:04,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1778889512, now seen corresponding path program 1 times [2022-10-16 16:07:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:04,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844078842] [2022-10-16 16:07:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:07:05,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:05,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844078842] [2022-10-16 16:07:05,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844078842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:05,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:05,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:05,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565171257] [2022-10-16 16:07:05,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:05,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:05,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:05,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:05,074 INFO L87 Difference]: Start difference. First operand 194044 states and 286485 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 16:07:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:23,909 INFO L93 Difference]: Finished difference Result 219024 states and 325909 transitions. [2022-10-16 16:07:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:23,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 16:07:23,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:24,418 INFO L225 Difference]: With dead ends: 219024 [2022-10-16 16:07:24,418 INFO L226 Difference]: Without dead ends: 219022 [2022-10-16 16:07:24,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:24,478 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 226 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:24,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 558 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:07:24,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219022 states.