/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.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:17:35,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:17:35,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:17:35,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:17:35,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:17:35,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:17:35,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:17:35,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:17:35,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:17:35,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:17:35,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:17:35,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:17:35,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:17:35,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:17:35,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:17:35,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:17:35,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:17:35,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:17:35,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:17:35,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:17:35,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:17:35,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:17:35,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:17:35,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:17:35,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:17:35,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:17:35,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:17:35,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:17:35,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:17:35,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:17:35,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:17:35,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:17:35,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:17:35,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:17:35,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:17:35,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:17:35,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:17:35,469 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:17:35,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:17:35,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:17:35,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:17:35,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:17:35,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:17:35,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:17:35,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:17:35,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:17:35,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:17:35,471 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:17:35,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:17:35,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:17:35,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:17:35,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:17:35,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:17:35,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:17:35,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:17:35,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:35,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:17:35,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:17:35,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:17:35,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:17:35,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:17:35,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:17:35,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:17:35,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:17:35,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:17:35,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:17:35,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:17:35,874 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:17:35,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:17:35,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0de2bf76/5314386bb143420a9a2b6579b1c5e11f/FLAGc3e4c1322 [2022-10-15 22:17:36,739 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:17:36,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:17:36,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0de2bf76/5314386bb143420a9a2b6579b1c5e11f/FLAGc3e4c1322 [2022-10-15 22:17:37,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0de2bf76/5314386bb143420a9a2b6579b1c5e11f [2022-10-15 22:17:37,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:17:37,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:17:37,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:37,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:17:37,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:17:37,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b90add4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37, skipping insertion in model container [2022-10-15 22:17:37,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:17:37,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:17:37,530 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.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[7979,7992] [2022-10-15 22:17:37,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:37,647 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:17:37,751 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.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[7979,7992] [2022-10-15 22:17:37,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:37,834 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:17:37,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37 WrapperNode [2022-10-15 22:17:37,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:37,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:37,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:17:37,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:17:37,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,951 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 677 [2022-10-15 22:17:37,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:37,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:17:37,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:17:37,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:17:37,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:38,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:17:38,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:17:38,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:17:38,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:17:38,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:38,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:38,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:17:38,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:17:38,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:17:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:17:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:17:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:17:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:17:38,398 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:17:38,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:17:39,259 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:17:39,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:17:39,278 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:17:39,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:39 BoogieIcfgContainer [2022-10-15 22:17:39,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:17:39,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:17:39,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:17:39,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:17:39,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:17:37" (1/3) ... [2022-10-15 22:17:39,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62774f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:39, skipping insertion in model container [2022-10-15 22:17:39,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37" (2/3) ... [2022-10-15 22:17:39,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62774f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:39, skipping insertion in model container [2022-10-15 22:17:39,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:39" (3/3) ... [2022-10-15 22:17:39,293 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:17:39,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:17:39,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 22:17:39,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:17:39,420 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;@5df4adc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:17:39,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 22:17:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 195 states have (on average 1.8153846153846154) internal successors, (354), 243 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:17:39,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:39,444 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] [2022-10-15 22:17:39,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash 637356653, now seen corresponding path program 1 times [2022-10-15 22:17:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:39,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817091635] [2022-10-15 22:17:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:40,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:40,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817091635] [2022-10-15 22:17:40,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817091635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:40,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:40,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:40,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481057328] [2022-10-15 22:17:40,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:40,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:40,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:40,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:40,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:40,167 INFO L87 Difference]: Start difference. First operand has 244 states, 195 states have (on average 1.8153846153846154) internal successors, (354), 243 states have internal predecessors, (354), 0 states have call successors, (0), 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 4 states, 3 states have (on average 17.0) internal successors, (51), 4 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) [2022-10-15 22:17:40,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:40,600 INFO L93 Difference]: Finished difference Result 517 states and 729 transitions. [2022-10-15 22:17:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:40,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 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 [2022-10-15 22:17:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:40,621 INFO L225 Difference]: With dead ends: 517 [2022-10-15 22:17:40,622 INFO L226 Difference]: Without dead ends: 500 [2022-10-15 22:17:40,626 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 [2022-10-15 22:17:40,630 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 800 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:40,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 677 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-10-15 22:17:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 347. [2022-10-15 22:17:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 301 states have (on average 1.5747508305647842) internal successors, (474), 346 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 474 transitions. [2022-10-15 22:17:40,714 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 474 transitions. Word has length 51 [2022-10-15 22:17:40,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:40,714 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 474 transitions. [2022-10-15 22:17:40,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 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) [2022-10-15 22:17:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 474 transitions. [2022-10-15 22:17:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:17:40,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:40,717 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] [2022-10-15 22:17:40,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:17:40,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:40,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:40,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1716780037, now seen corresponding path program 1 times [2022-10-15 22:17:40,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:40,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608194996] [2022-10-15 22:17:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:40,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:40,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608194996] [2022-10-15 22:17:40,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608194996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:40,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:40,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919635313] [2022-10-15 22:17:40,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:40,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:40,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:40,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:40,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:40,894 INFO L87 Difference]: Start difference. First operand 347 states and 474 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2022-10-15 22:17:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:41,099 INFO L93 Difference]: Finished difference Result 475 states and 649 transitions. [2022-10-15 22:17:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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 [2022-10-15 22:17:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:41,114 INFO L225 Difference]: With dead ends: 475 [2022-10-15 22:17:41,114 INFO L226 Difference]: Without dead ends: 470 [2022-10-15 22:17:41,115 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 [2022-10-15 22:17:41,117 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 689 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:41,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 341 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-10-15 22:17:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 448. [2022-10-15 22:17:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 404 states have (on average 1.5866336633663367) internal successors, (641), 447 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 641 transitions. [2022-10-15 22:17:41,152 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 641 transitions. Word has length 52 [2022-10-15 22:17:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:41,153 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 641 transitions. [2022-10-15 22:17:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2022-10-15 22:17:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 641 transitions. [2022-10-15 22:17:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:17:41,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:41,155 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] [2022-10-15 22:17:41,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:17:41,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1680573393, now seen corresponding path program 1 times [2022-10-15 22:17:41,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:41,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966060771] [2022-10-15 22:17:41,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:41,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:41,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966060771] [2022-10-15 22:17:41,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966060771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:41,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:41,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:41,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406153216] [2022-10-15 22:17:41,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:41,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:41,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:41,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:41,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:41,365 INFO L87 Difference]: Start difference. First operand 448 states and 641 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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) [2022-10-15 22:17:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:41,753 INFO L93 Difference]: Finished difference Result 715 states and 974 transitions. [2022-10-15 22:17:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:17:41,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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 [2022-10-15 22:17:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:41,761 INFO L225 Difference]: With dead ends: 715 [2022-10-15 22:17:41,761 INFO L226 Difference]: Without dead ends: 710 [2022-10-15 22:17:41,762 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 [2022-10-15 22:17:41,769 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 1249 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:41,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 846 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:41,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-10-15 22:17:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 544. [2022-10-15 22:17:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 502 states have (on average 1.5876494023904382) internal successors, (797), 543 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 797 transitions. [2022-10-15 22:17:41,817 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 797 transitions. Word has length 53 [2022-10-15 22:17:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:41,817 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 797 transitions. [2022-10-15 22:17:41,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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) [2022-10-15 22:17:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 797 transitions. [2022-10-15 22:17:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:17:41,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:41,820 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] [2022-10-15 22:17:41,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:17:41,820 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:41,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:41,821 INFO L85 PathProgramCache]: Analyzing trace with hash -558167427, now seen corresponding path program 1 times [2022-10-15 22:17:41,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:41,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866571327] [2022-10-15 22:17:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:41,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:41,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:41,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866571327] [2022-10-15 22:17:41,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866571327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:41,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:41,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968756253] [2022-10-15 22:17:41,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:41,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:41,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:41,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:41,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:41,968 INFO L87 Difference]: Start difference. First operand 544 states and 797 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 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) [2022-10-15 22:17:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:42,257 INFO L93 Difference]: Finished difference Result 686 states and 961 transitions. [2022-10-15 22:17:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:42,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 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 [2022-10-15 22:17:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:42,262 INFO L225 Difference]: With dead ends: 686 [2022-10-15 22:17:42,262 INFO L226 Difference]: Without dead ends: 681 [2022-10-15 22:17:42,263 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 [2022-10-15 22:17:42,264 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1098 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:42,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 590 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-10-15 22:17:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 640. [2022-10-15 22:17:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 600 states have (on average 1.5833333333333333) internal successors, (950), 639 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 950 transitions. [2022-10-15 22:17:42,307 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 950 transitions. Word has length 54 [2022-10-15 22:17:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:42,308 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 950 transitions. [2022-10-15 22:17:42,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 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) [2022-10-15 22:17:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 950 transitions. [2022-10-15 22:17:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:17:42,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:42,310 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] [2022-10-15 22:17:42,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:17:42,310 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash -123320847, now seen corresponding path program 1 times [2022-10-15 22:17:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:42,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133969560] [2022-10-15 22:17:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:42,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:42,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:42,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133969560] [2022-10-15 22:17:42,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133969560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:42,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:42,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440228397] [2022-10-15 22:17:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:42,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:42,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:42,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:42,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:42,473 INFO L87 Difference]: Start difference. First operand 640 states and 950 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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) [2022-10-15 22:17:42,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:42,984 INFO L93 Difference]: Finished difference Result 1007 states and 1430 transitions. [2022-10-15 22:17:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:17:42,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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 [2022-10-15 22:17:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:42,994 INFO L225 Difference]: With dead ends: 1007 [2022-10-15 22:17:42,995 INFO L226 Difference]: Without dead ends: 1002 [2022-10-15 22:17:42,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:42,998 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 1602 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:42,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 1201 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:17:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-10-15 22:17:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 731. [2022-10-15 22:17:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 693 states have (on average 1.5757575757575757) internal successors, (1092), 730 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1092 transitions. [2022-10-15 22:17:43,054 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1092 transitions. Word has length 55 [2022-10-15 22:17:43,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:43,056 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 1092 transitions. [2022-10-15 22:17:43,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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) [2022-10-15 22:17:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1092 transitions. [2022-10-15 22:17:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:17:43,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:43,058 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] [2022-10-15 22:17:43,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:17:43,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash 472021247, now seen corresponding path program 1 times [2022-10-15 22:17:43,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:43,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161500129] [2022-10-15 22:17:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:43,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:43,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161500129] [2022-10-15 22:17:43,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161500129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:43,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:43,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:43,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637897986] [2022-10-15 22:17:43,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:43,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:43,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:43,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:43,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:43,256 INFO L87 Difference]: Start difference. First operand 731 states and 1092 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 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) [2022-10-15 22:17:43,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:43,705 INFO L93 Difference]: Finished difference Result 977 states and 1395 transitions. [2022-10-15 22:17:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:43,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 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 [2022-10-15 22:17:43,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:43,711 INFO L225 Difference]: With dead ends: 977 [2022-10-15 22:17:43,711 INFO L226 Difference]: Without dead ends: 972 [2022-10-15 22:17:43,712 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 [2022-10-15 22:17:43,716 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1619 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:43,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 838 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-10-15 22:17:43,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 915. [2022-10-15 22:17:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 879 states have (on average 1.571103526734926) internal successors, (1381), 914 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1381 transitions. [2022-10-15 22:17:43,802 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1381 transitions. Word has length 56 [2022-10-15 22:17:43,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:43,802 INFO L495 AbstractCegarLoop]: Abstraction has 915 states and 1381 transitions. [2022-10-15 22:17:43,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 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) [2022-10-15 22:17:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1381 transitions. [2022-10-15 22:17:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:17:43,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:43,810 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] [2022-10-15 22:17:43,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:17:43,811 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:43,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1747756979, now seen corresponding path program 1 times [2022-10-15 22:17:43,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:43,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933146360] [2022-10-15 22:17:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:44,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:44,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933146360] [2022-10-15 22:17:44,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933146360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:44,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:44,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:44,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745941817] [2022-10-15 22:17:44,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:44,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:44,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:44,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:44,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:44,003 INFO L87 Difference]: Start difference. First operand 915 states and 1381 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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) [2022-10-15 22:17:45,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:45,097 INFO L93 Difference]: Finished difference Result 3023 states and 4553 transitions. [2022-10-15 22:17:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:17:45,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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 [2022-10-15 22:17:45,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:45,112 INFO L225 Difference]: With dead ends: 3023 [2022-10-15 22:17:45,112 INFO L226 Difference]: Without dead ends: 2297 [2022-10-15 22:17:45,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:17:45,118 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 1776 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:45,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 2665 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-10-15 22:17:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 1610. [2022-10-15 22:17:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1576 states have (on average 1.5659898477157361) internal successors, (2468), 1609 states have internal predecessors, (2468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2468 transitions. [2022-10-15 22:17:45,266 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2468 transitions. Word has length 57 [2022-10-15 22:17:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:45,266 INFO L495 AbstractCegarLoop]: Abstraction has 1610 states and 2468 transitions. [2022-10-15 22:17:45,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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) [2022-10-15 22:17:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2468 transitions. [2022-10-15 22:17:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:17:45,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:45,268 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] [2022-10-15 22:17:45,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:17:45,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:45,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1654108287, now seen corresponding path program 1 times [2022-10-15 22:17:45,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:45,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040797163] [2022-10-15 22:17:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:45,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040797163] [2022-10-15 22:17:45,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040797163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:45,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:45,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:45,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623446290] [2022-10-15 22:17:45,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:45,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:45,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:45,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:45,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:45,432 INFO L87 Difference]: Start difference. First operand 1610 states and 2468 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 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) [2022-10-15 22:17:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:46,363 INFO L93 Difference]: Finished difference Result 2343 states and 3467 transitions. [2022-10-15 22:17:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:17:46,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 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 [2022-10-15 22:17:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:46,377 INFO L225 Difference]: With dead ends: 2343 [2022-10-15 22:17:46,377 INFO L226 Difference]: Without dead ends: 2338 [2022-10-15 22:17:46,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:17:46,382 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 2028 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:46,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 1438 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:46,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2022-10-15 22:17:46,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2220. [2022-10-15 22:17:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2188 states have (on average 1.5617001828153565) internal successors, (3417), 2219 states have internal predecessors, (3417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3417 transitions. [2022-10-15 22:17:46,581 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3417 transitions. Word has length 58 [2022-10-15 22:17:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:46,581 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3417 transitions. [2022-10-15 22:17:46,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 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) [2022-10-15 22:17:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3417 transitions. [2022-10-15 22:17:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:17:46,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:46,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:46,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:17:46,583 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:46,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:46,584 INFO L85 PathProgramCache]: Analyzing trace with hash 977473587, now seen corresponding path program 1 times [2022-10-15 22:17:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:46,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650589827] [2022-10-15 22:17:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:46,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650589827] [2022-10-15 22:17:46,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650589827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:46,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:46,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:17:46,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373267196] [2022-10-15 22:17:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:46,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:46,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:46,679 INFO L87 Difference]: Start difference. First operand 2220 states and 3417 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:46,865 INFO L93 Difference]: Finished difference Result 2220 states and 3417 transitions. [2022-10-15 22:17:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:46,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-15 22:17:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:46,878 INFO L225 Difference]: With dead ends: 2220 [2022-10-15 22:17:46,878 INFO L226 Difference]: Without dead ends: 2218 [2022-10-15 22:17:46,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:46,882 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 11 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:46,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 493 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:46,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2022-10-15 22:17:47,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2218. [2022-10-15 22:17:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2218 states, 2188 states have (on average 1.5607861060329067) internal successors, (3415), 2217 states have internal predecessors, (3415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 3415 transitions. [2022-10-15 22:17:47,132 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 3415 transitions. Word has length 72 [2022-10-15 22:17:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:47,133 INFO L495 AbstractCegarLoop]: Abstraction has 2218 states and 3415 transitions. [2022-10-15 22:17:47,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 3415 transitions. [2022-10-15 22:17:47,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 22:17:47,136 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:47,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:47,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:17:47,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1165996408, now seen corresponding path program 1 times [2022-10-15 22:17:47,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:47,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999828906] [2022-10-15 22:17:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:47,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:47,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999828906] [2022-10-15 22:17:47,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999828906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:47,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:47,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:17:47,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984603162] [2022-10-15 22:17:47,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:47,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:47,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:47,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:47,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:47,282 INFO L87 Difference]: Start difference. First operand 2218 states and 3415 transitions. Second operand has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:47,460 INFO L93 Difference]: Finished difference Result 2218 states and 3415 transitions. [2022-10-15 22:17:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:47,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 22:17:47,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:47,472 INFO L225 Difference]: With dead ends: 2218 [2022-10-15 22:17:47,473 INFO L226 Difference]: Without dead ends: 2216 [2022-10-15 22:17:47,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:47,475 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 199 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:47,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 263 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-10-15 22:17:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2022-10-15 22:17:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2188 states have (on average 1.54981718464351) internal successors, (3391), 2215 states have internal predecessors, (3391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3391 transitions. [2022-10-15 22:17:47,647 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3391 transitions. Word has length 76 [2022-10-15 22:17:47,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:47,647 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3391 transitions. [2022-10-15 22:17:47,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3391 transitions. [2022-10-15 22:17:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:17:47,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:47,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:47,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:17:47,649 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:47,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:47,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1786150541, now seen corresponding path program 1 times [2022-10-15 22:17:47,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:47,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710203749] [2022-10-15 22:17:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:47,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:47,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710203749] [2022-10-15 22:17:47,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710203749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:47,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:47,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:17:47,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043319319] [2022-10-15 22:17:47,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:47,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:47,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:47,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:47,753 INFO L87 Difference]: Start difference. First operand 2216 states and 3391 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:47,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:47,956 INFO L93 Difference]: Finished difference Result 2216 states and 3391 transitions. [2022-10-15 22:17:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:47,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 22:17:47,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:47,969 INFO L225 Difference]: With dead ends: 2216 [2022-10-15 22:17:47,969 INFO L226 Difference]: Without dead ends: 2214 [2022-10-15 22:17:47,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:47,971 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:47,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:47,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-10-15 22:17:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2022-10-15 22:17:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2188 states have (on average 1.5388482632541134) internal successors, (3367), 2213 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3367 transitions. [2022-10-15 22:17:48,166 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3367 transitions. Word has length 77 [2022-10-15 22:17:48,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:48,166 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 3367 transitions. [2022-10-15 22:17:48,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3367 transitions. [2022-10-15 22:17:48,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:17:48,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:48,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:48,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:17:48,169 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1459312461, now seen corresponding path program 1 times [2022-10-15 22:17:48,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:48,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639996007] [2022-10-15 22:17:48,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:48,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:48,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:48,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639996007] [2022-10-15 22:17:48,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639996007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:48,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:48,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:48,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655048560] [2022-10-15 22:17:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:48,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:48,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:48,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:48,343 INFO L87 Difference]: Start difference. First operand 2214 states and 3367 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:48,691 INFO L93 Difference]: Finished difference Result 2518 states and 3800 transitions. [2022-10-15 22:17:48,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:48,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-15 22:17:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:48,704 INFO L225 Difference]: With dead ends: 2518 [2022-10-15 22:17:48,704 INFO L226 Difference]: Without dead ends: 2515 [2022-10-15 22:17:48,705 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 [2022-10-15 22:17:48,706 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 456 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:48,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 556 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-10-15 22:17:48,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2475. [2022-10-15 22:17:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2449 states have (on average 1.5479787668436096) internal successors, (3791), 2474 states have internal predecessors, (3791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3791 transitions. [2022-10-15 22:17:48,975 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3791 transitions. Word has length 95 [2022-10-15 22:17:48,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:48,976 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3791 transitions. [2022-10-15 22:17:48,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3791 transitions. [2022-10-15 22:17:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:17:48,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:48,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:48,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:17:48,978 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:48,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:48,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1826951929, now seen corresponding path program 1 times [2022-10-15 22:17:48,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:48,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281175761] [2022-10-15 22:17:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:49,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:49,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281175761] [2022-10-15 22:17:49,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281175761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:49,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:49,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731903921] [2022-10-15 22:17:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:49,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:49,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:49,201 INFO L87 Difference]: Start difference. First operand 2475 states and 3791 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:49,631 INFO L93 Difference]: Finished difference Result 3332 states and 5088 transitions. [2022-10-15 22:17:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:49,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-15 22:17:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:49,647 INFO L225 Difference]: With dead ends: 3332 [2022-10-15 22:17:49,648 INFO L226 Difference]: Without dead ends: 3329 [2022-10-15 22:17:49,649 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 [2022-10-15 22:17:49,649 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 334 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:49,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 845 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:49,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2022-10-15 22:17:49,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3292. [2022-10-15 22:17:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3266 states have (on average 1.5496019595835886) internal successors, (5061), 3291 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 5061 transitions. [2022-10-15 22:17:49,924 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 5061 transitions. Word has length 95 [2022-10-15 22:17:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:49,925 INFO L495 AbstractCegarLoop]: Abstraction has 3292 states and 5061 transitions. [2022-10-15 22:17:49,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 5061 transitions. [2022-10-15 22:17:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:49,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:49,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:49,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:49,927 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:49,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2005954284, now seen corresponding path program 1 times [2022-10-15 22:17:49,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:49,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836155187] [2022-10-15 22:17:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:50,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:50,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836155187] [2022-10-15 22:17:50,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836155187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:50,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:50,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:50,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475219998] [2022-10-15 22:17:50,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:50,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:50,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:50,108 INFO L87 Difference]: Start difference. First operand 3292 states and 5061 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:50,465 INFO L93 Difference]: Finished difference Result 3312 states and 5061 transitions. [2022-10-15 22:17:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:50,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-15 22:17:50,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:50,503 INFO L225 Difference]: With dead ends: 3312 [2022-10-15 22:17:50,503 INFO L226 Difference]: Without dead ends: 3309 [2022-10-15 22:17:50,505 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 [2022-10-15 22:17:50,506 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 458 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:50,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 435 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:17:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2022-10-15 22:17:50,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 3289. [2022-10-15 22:17:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 3266 states have (on average 1.5440906307409676) internal successors, (5043), 3288 states have internal predecessors, (5043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 5043 transitions. [2022-10-15 22:17:50,827 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 5043 transitions. Word has length 96 [2022-10-15 22:17:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:50,827 INFO L495 AbstractCegarLoop]: Abstraction has 3289 states and 5043 transitions. [2022-10-15 22:17:50,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 5043 transitions. [2022-10-15 22:17:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:50,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:50,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:50,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:50,832 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:50,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2055040981, now seen corresponding path program 1 times [2022-10-15 22:17:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:50,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342886429] [2022-10-15 22:17:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:51,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:51,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342886429] [2022-10-15 22:17:51,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342886429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:51,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:51,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:51,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600662796] [2022-10-15 22:17:51,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:51,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:51,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:51,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:51,057 INFO L87 Difference]: Start difference. First operand 3289 states and 5043 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:51,651 INFO L93 Difference]: Finished difference Result 3612 states and 5475 transitions. [2022-10-15 22:17:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:51,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 22:17:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:51,663 INFO L225 Difference]: With dead ends: 3612 [2022-10-15 22:17:51,664 INFO L226 Difference]: Without dead ends: 3609 [2022-10-15 22:17:51,667 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 [2022-10-15 22:17:51,668 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 735 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:51,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 769 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2022-10-15 22:17:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3561. [2022-10-15 22:17:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 3538 states have (on average 1.5449406444318825) internal successors, (5466), 3560 states have internal predecessors, (5466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5466 transitions. [2022-10-15 22:17:52,026 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5466 transitions. Word has length 97 [2022-10-15 22:17:52,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:52,027 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5466 transitions. [2022-10-15 22:17:52,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5466 transitions. [2022-10-15 22:17:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:52,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:52,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:52,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:52,030 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:52,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1050714760, now seen corresponding path program 1 times [2022-10-15 22:17:52,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:52,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698947757] [2022-10-15 22:17:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:52,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:52,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698947757] [2022-10-15 22:17:52,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698947757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:52,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:52,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:52,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530730713] [2022-10-15 22:17:52,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:52,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:52,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:52,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:52,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:52,198 INFO L87 Difference]: Start difference. First operand 3561 states and 5466 transitions. Second operand has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:52,651 INFO L93 Difference]: Finished difference Result 3865 states and 5890 transitions. [2022-10-15 22:17:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 22:17:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:52,661 INFO L225 Difference]: With dead ends: 3865 [2022-10-15 22:17:52,662 INFO L226 Difference]: Without dead ends: 3862 [2022-10-15 22:17:52,665 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 [2022-10-15 22:17:52,667 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 327 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:52,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 729 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2022-10-15 22:17:52,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3561. [2022-10-15 22:17:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 3538 states have (on average 1.5373092142453364) internal successors, (5439), 3560 states have internal predecessors, (5439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5439 transitions. [2022-10-15 22:17:53,018 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5439 transitions. Word has length 97 [2022-10-15 22:17:53,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:53,018 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5439 transitions. [2022-10-15 22:17:53,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5439 transitions. [2022-10-15 22:17:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:53,020 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:53,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:53,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:17:53,021 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1346527209, now seen corresponding path program 1 times [2022-10-15 22:17:53,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:53,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144337878] [2022-10-15 22:17:53,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:53,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:53,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:53,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144337878] [2022-10-15 22:17:53,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144337878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:53,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:53,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:53,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003302485] [2022-10-15 22:17:53,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:53,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:53,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:53,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:53,207 INFO L87 Difference]: Start difference. First operand 3561 states and 5439 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:53,657 INFO L93 Difference]: Finished difference Result 3609 states and 5439 transitions. [2022-10-15 22:17:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:53,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 22:17:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:53,670 INFO L225 Difference]: With dead ends: 3609 [2022-10-15 22:17:53,670 INFO L226 Difference]: Without dead ends: 3606 [2022-10-15 22:17:53,672 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 [2022-10-15 22:17:53,672 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 928 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:53,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 893 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:53,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2022-10-15 22:17:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3561. [2022-10-15 22:17:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 3538 states have (on average 1.5322215941209723) internal successors, (5421), 3560 states have internal predecessors, (5421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5421 transitions. [2022-10-15 22:17:53,972 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5421 transitions. Word has length 97 [2022-10-15 22:17:53,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:53,973 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5421 transitions. [2022-10-15 22:17:53,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5421 transitions. [2022-10-15 22:17:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:53,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:53,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:53,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:17:53,975 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:53,976 INFO L85 PathProgramCache]: Analyzing trace with hash 940830505, now seen corresponding path program 1 times [2022-10-15 22:17:53,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:53,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894411145] [2022-10-15 22:17:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:53,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:54,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:54,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894411145] [2022-10-15 22:17:54,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894411145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:54,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:54,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:54,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283696766] [2022-10-15 22:17:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:54,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:54,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:54,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:54,195 INFO L87 Difference]: Start difference. First operand 3561 states and 5421 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:54,918 INFO L93 Difference]: Finished difference Result 3873 states and 5836 transitions. [2022-10-15 22:17:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 22:17:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:54,934 INFO L225 Difference]: With dead ends: 3873 [2022-10-15 22:17:54,934 INFO L226 Difference]: Without dead ends: 3870 [2022-10-15 22:17:54,937 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 [2022-10-15 22:17:54,938 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 626 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:54,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 1255 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2022-10-15 22:17:55,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3822. [2022-10-15 22:17:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 3799 states have (on average 1.533824690708081) internal successors, (5827), 3821 states have internal predecessors, (5827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5827 transitions. [2022-10-15 22:17:55,290 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5827 transitions. Word has length 97 [2022-10-15 22:17:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:55,291 INFO L495 AbstractCegarLoop]: Abstraction has 3822 states and 5827 transitions. [2022-10-15 22:17:55,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5827 transitions. [2022-10-15 22:17:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:17:55,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:55,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:55,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:17:55,293 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:55,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:55,294 INFO L85 PathProgramCache]: Analyzing trace with hash -718238706, now seen corresponding path program 1 times [2022-10-15 22:17:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:55,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576886671] [2022-10-15 22:17:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:55,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:55,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576886671] [2022-10-15 22:17:55,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576886671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:55,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:55,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:55,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049177770] [2022-10-15 22:17:55,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:55,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:55,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:55,469 INFO L87 Difference]: Start difference. First operand 3822 states and 5827 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:55,999 INFO L93 Difference]: Finished difference Result 4912 states and 7505 transitions. [2022-10-15 22:17:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:56,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 22:17:56,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:56,014 INFO L225 Difference]: With dead ends: 4912 [2022-10-15 22:17:56,015 INFO L226 Difference]: Without dead ends: 4909 [2022-10-15 22:17:56,017 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 [2022-10-15 22:17:56,018 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 862 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:56,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 562 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:56,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2022-10-15 22:17:56,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4866. [2022-10-15 22:17:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4866 states, 4843 states have (on average 1.5440842453024985) internal successors, (7478), 4865 states have internal predecessors, (7478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:56,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4866 states and 7478 transitions. [2022-10-15 22:17:56,446 INFO L78 Accepts]: Start accepts. Automaton has 4866 states and 7478 transitions. Word has length 98 [2022-10-15 22:17:56,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:56,446 INFO L495 AbstractCegarLoop]: Abstraction has 4866 states and 7478 transitions. [2022-10-15 22:17:56,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4866 states and 7478 transitions. [2022-10-15 22:17:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:17:56,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:56,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:56,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:17:56,449 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:56,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:56,449 INFO L85 PathProgramCache]: Analyzing trace with hash -899025094, now seen corresponding path program 1 times [2022-10-15 22:17:56,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:56,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174136754] [2022-10-15 22:17:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:56,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174136754] [2022-10-15 22:17:56,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174136754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:56,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:56,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:56,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095996820] [2022-10-15 22:17:56,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:56,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:56,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:56,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:56,691 INFO L87 Difference]: Start difference. First operand 4866 states and 7478 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:57,352 INFO L93 Difference]: Finished difference Result 6214 states and 9517 transitions. [2022-10-15 22:17:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:57,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 22:17:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:57,379 INFO L225 Difference]: With dead ends: 6214 [2022-10-15 22:17:57,379 INFO L226 Difference]: Without dead ends: 6211 [2022-10-15 22:17:57,382 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 [2022-10-15 22:17:57,384 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 656 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:57,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 822 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6211 states. [2022-10-15 22:17:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6211 to 5649. [2022-10-15 22:17:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5649 states, 5626 states have (on average 1.5440810522573765) internal successors, (8687), 5648 states have internal predecessors, (8687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5649 states to 5649 states and 8687 transitions. [2022-10-15 22:17:57,886 INFO L78 Accepts]: Start accepts. Automaton has 5649 states and 8687 transitions. Word has length 98 [2022-10-15 22:17:57,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:57,887 INFO L495 AbstractCegarLoop]: Abstraction has 5649 states and 8687 transitions. [2022-10-15 22:17:57,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 5649 states and 8687 transitions. [2022-10-15 22:17:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:17:57,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:57,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:57,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:17:57,890 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:57,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:57,890 INFO L85 PathProgramCache]: Analyzing trace with hash 825276714, now seen corresponding path program 1 times [2022-10-15 22:17:57,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:57,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111819379] [2022-10-15 22:17:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:57,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:58,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:58,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111819379] [2022-10-15 22:17:58,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111819379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:58,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:58,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:58,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780080610] [2022-10-15 22:17:58,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:58,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:58,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:58,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:58,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:58,109 INFO L87 Difference]: Start difference. First operand 5649 states and 8687 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:58,812 INFO L93 Difference]: Finished difference Result 6480 states and 9905 transitions. [2022-10-15 22:17:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:58,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:17:58,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:58,835 INFO L225 Difference]: With dead ends: 6480 [2022-10-15 22:17:58,835 INFO L226 Difference]: Without dead ends: 6477 [2022-10-15 22:17:58,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:58,844 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 482 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:58,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 800 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6477 states. [2022-10-15 22:17:59,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6477 to 6171. [2022-10-15 22:17:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6171 states, 6148 states have (on average 1.5435914118412493) internal successors, (9490), 6170 states have internal predecessors, (9490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6171 states to 6171 states and 9490 transitions. [2022-10-15 22:17:59,401 INFO L78 Accepts]: Start accepts. Automaton has 6171 states and 9490 transitions. Word has length 99 [2022-10-15 22:17:59,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:59,402 INFO L495 AbstractCegarLoop]: Abstraction has 6171 states and 9490 transitions. [2022-10-15 22:17:59,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:59,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6171 states and 9490 transitions. [2022-10-15 22:17:59,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:17:59,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:59,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:59,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:17:59,404 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:17:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash -790563081, now seen corresponding path program 1 times [2022-10-15 22:17:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:59,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471656950] [2022-10-15 22:17:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:59,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:59,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471656950] [2022-10-15 22:17:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471656950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:59,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:59,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:59,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092380691] [2022-10-15 22:17:59,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:59,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:59,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:59,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:59,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:59,606 INFO L87 Difference]: Start difference. First operand 6171 states and 9490 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:00,355 INFO L93 Difference]: Finished difference Result 6749 states and 10293 transitions. [2022-10-15 22:18:00,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:00,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:00,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:00,374 INFO L225 Difference]: With dead ends: 6749 [2022-10-15 22:18:00,375 INFO L226 Difference]: Without dead ends: 6746 [2022-10-15 22:18:00,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:00,382 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1188 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:00,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 901 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6746 states. [2022-10-15 22:18:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6746 to 6438. [2022-10-15 22:18:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6438 states, 6415 states have (on average 1.5412314886983631) internal successors, (9887), 6437 states have internal predecessors, (9887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6438 states to 6438 states and 9887 transitions. [2022-10-15 22:18:01,086 INFO L78 Accepts]: Start accepts. Automaton has 6438 states and 9887 transitions. Word has length 99 [2022-10-15 22:18:01,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:01,086 INFO L495 AbstractCegarLoop]: Abstraction has 6438 states and 9887 transitions. [2022-10-15 22:18:01,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 6438 states and 9887 transitions. [2022-10-15 22:18:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:18:01,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:01,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:18:01,089 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:01,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash 419580010, now seen corresponding path program 1 times [2022-10-15 22:18:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:01,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852028577] [2022-10-15 22:18:01,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:01,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:01,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852028577] [2022-10-15 22:18:01,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852028577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:01,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:01,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:01,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127590831] [2022-10-15 22:18:01,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:01,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:01,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:01,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:01,297 INFO L87 Difference]: Start difference. First operand 6438 states and 9887 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:01,945 INFO L93 Difference]: Finished difference Result 7539 states and 11538 transitions. [2022-10-15 22:18:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:01,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:01,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:01,960 INFO L225 Difference]: With dead ends: 7539 [2022-10-15 22:18:01,960 INFO L226 Difference]: Without dead ends: 7536 [2022-10-15 22:18:01,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:01,964 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 497 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:01,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1012 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:01,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7536 states. [2022-10-15 22:18:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7536 to 7482. [2022-10-15 22:18:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7482 states, 7459 states have (on average 1.544442954819681) internal successors, (11520), 7481 states have internal predecessors, (11520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7482 states to 7482 states and 11520 transitions. [2022-10-15 22:18:02,822 INFO L78 Accepts]: Start accepts. Automaton has 7482 states and 11520 transitions. Word has length 99 [2022-10-15 22:18:02,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:02,823 INFO L495 AbstractCegarLoop]: Abstraction has 7482 states and 11520 transitions. [2022-10-15 22:18:02,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7482 states and 11520 transitions. [2022-10-15 22:18:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:18:02,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:02,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:02,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:18:02,825 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1227502091, now seen corresponding path program 1 times [2022-10-15 22:18:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:02,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952574002] [2022-10-15 22:18:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:03,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:03,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952574002] [2022-10-15 22:18:03,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952574002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:03,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:03,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:03,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288364465] [2022-10-15 22:18:03,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:03,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:03,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:03,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:03,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:03,042 INFO L87 Difference]: Start difference. First operand 7482 states and 11520 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:03,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:03,923 INFO L93 Difference]: Finished difference Result 7793 states and 11917 transitions. [2022-10-15 22:18:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:03,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:03,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:03,941 INFO L225 Difference]: With dead ends: 7793 [2022-10-15 22:18:03,941 INFO L226 Difference]: Without dead ends: 7790 [2022-10-15 22:18:03,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:03,947 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 1229 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:03,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1311 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2022-10-15 22:18:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7743. [2022-10-15 22:18:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7743 states, 7720 states have (on average 1.5424870466321243) internal successors, (11908), 7742 states have internal predecessors, (11908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 11908 transitions. [2022-10-15 22:18:04,471 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 11908 transitions. Word has length 99 [2022-10-15 22:18:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:04,471 INFO L495 AbstractCegarLoop]: Abstraction has 7743 states and 11908 transitions. [2022-10-15 22:18:04,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 11908 transitions. [2022-10-15 22:18:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:18:04,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:04,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:04,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:18:04,474 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:04,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:04,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1020799177, now seen corresponding path program 1 times [2022-10-15 22:18:04,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:04,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799668244] [2022-10-15 22:18:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:04,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:04,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:04,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799668244] [2022-10-15 22:18:04,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799668244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:04,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:04,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:04,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238263508] [2022-10-15 22:18:04,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:04,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:04,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:04,643 INFO L87 Difference]: Start difference. First operand 7743 states and 11908 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:05,658 INFO L93 Difference]: Finished difference Result 7790 states and 11908 transitions. [2022-10-15 22:18:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:18:05,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:05,676 INFO L225 Difference]: With dead ends: 7790 [2022-10-15 22:18:05,676 INFO L226 Difference]: Without dead ends: 7787 [2022-10-15 22:18:05,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:05,682 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 1042 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:05,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1388 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7787 states. [2022-10-15 22:18:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7787 to 7743. [2022-10-15 22:18:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7743 states, 7720 states have (on average 1.5413212435233161) internal successors, (11899), 7742 states have internal predecessors, (11899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 11899 transitions. [2022-10-15 22:18:06,281 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 11899 transitions. Word has length 99 [2022-10-15 22:18:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:06,281 INFO L495 AbstractCegarLoop]: Abstraction has 7743 states and 11899 transitions. [2022-10-15 22:18:06,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 11899 transitions. [2022-10-15 22:18:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:18:06,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:06,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:06,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:18:06,283 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:06,284 INFO L85 PathProgramCache]: Analyzing trace with hash -484134018, now seen corresponding path program 1 times [2022-10-15 22:18:06,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:06,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444811370] [2022-10-15 22:18:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:06,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:06,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:06,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444811370] [2022-10-15 22:18:06,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444811370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:06,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:06,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:06,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634150296] [2022-10-15 22:18:06,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:06,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:06,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:06,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:06,450 INFO L87 Difference]: Start difference. First operand 7743 states and 11899 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:07,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:07,125 INFO L93 Difference]: Finished difference Result 8052 states and 12305 transitions. [2022-10-15 22:18:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:07,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:07,141 INFO L225 Difference]: With dead ends: 8052 [2022-10-15 22:18:07,141 INFO L226 Difference]: Without dead ends: 8049 [2022-10-15 22:18:07,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:07,157 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 482 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:07,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 976 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:07,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2022-10-15 22:18:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 8004. [2022-10-15 22:18:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8004 states, 7981 states have (on average 1.53840370880842) internal successors, (12278), 8003 states have internal predecessors, (12278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8004 states to 8004 states and 12278 transitions. [2022-10-15 22:18:07,658 INFO L78 Accepts]: Start accepts. Automaton has 8004 states and 12278 transitions. Word has length 99 [2022-10-15 22:18:07,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:07,658 INFO L495 AbstractCegarLoop]: Abstraction has 8004 states and 12278 transitions. [2022-10-15 22:18:07,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 8004 states and 12278 transitions. [2022-10-15 22:18:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:18:07,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:07,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:07,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:18:07,662 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:07,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2099973813, now seen corresponding path program 1 times [2022-10-15 22:18:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:07,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394443371] [2022-10-15 22:18:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:07,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:07,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394443371] [2022-10-15 22:18:07,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394443371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:07,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:07,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:07,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39016531] [2022-10-15 22:18:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:07,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:07,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:07,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:07,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:07,861 INFO L87 Difference]: Start difference. First operand 8004 states and 12278 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:08,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:08,825 INFO L93 Difference]: Finished difference Result 8321 states and 12684 transitions. [2022-10-15 22:18:08,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:08,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-15 22:18:08,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:08,840 INFO L225 Difference]: With dead ends: 8321 [2022-10-15 22:18:08,840 INFO L226 Difference]: Without dead ends: 8318 [2022-10-15 22:18:08,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:08,844 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 896 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:08,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 1499 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:08,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8318 states. [2022-10-15 22:18:09,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8318 to 8271. [2022-10-15 22:18:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8248 states have (on average 1.5367361784675073) internal successors, (12675), 8270 states have internal predecessors, (12675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 12675 transitions. [2022-10-15 22:18:09,394 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 12675 transitions. Word has length 99 [2022-10-15 22:18:09,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:09,395 INFO L495 AbstractCegarLoop]: Abstraction has 8271 states and 12675 transitions. [2022-10-15 22:18:09,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 12675 transitions. [2022-10-15 22:18:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:18:09,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:09,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:18:09,398 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1262348592, now seen corresponding path program 1 times [2022-10-15 22:18:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:09,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168609928] [2022-10-15 22:18:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:09,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:09,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168609928] [2022-10-15 22:18:09,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168609928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:09,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:09,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:09,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878896552] [2022-10-15 22:18:09,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:09,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:09,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:09,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:09,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:09,582 INFO L87 Difference]: Start difference. First operand 8271 states and 12675 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:10,548 INFO L93 Difference]: Finished difference Result 11736 states and 17989 transitions. [2022-10-15 22:18:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:10,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:18:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:10,575 INFO L225 Difference]: With dead ends: 11736 [2022-10-15 22:18:10,575 INFO L226 Difference]: Without dead ends: 11733 [2022-10-15 22:18:10,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:10,582 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1394 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:10,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 674 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:10,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11733 states. [2022-10-15 22:18:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11733 to 11670. [2022-10-15 22:18:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11670 states, 11647 states have (on average 1.5398815145531037) internal successors, (17935), 11669 states have internal predecessors, (17935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11670 states to 11670 states and 17935 transitions. [2022-10-15 22:18:11,512 INFO L78 Accepts]: Start accepts. Automaton has 11670 states and 17935 transitions. Word has length 100 [2022-10-15 22:18:11,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:11,512 INFO L495 AbstractCegarLoop]: Abstraction has 11670 states and 17935 transitions. [2022-10-15 22:18:11,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 11670 states and 17935 transitions. [2022-10-15 22:18:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:18:11,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:11,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:11,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:18:11,523 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:11,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash 122078745, now seen corresponding path program 1 times [2022-10-15 22:18:11,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:11,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560886520] [2022-10-15 22:18:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:11,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:11,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:11,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560886520] [2022-10-15 22:18:11,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560886520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:11,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:11,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:11,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883336001] [2022-10-15 22:18:11,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:11,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:11,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:11,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:11,674 INFO L87 Difference]: Start difference. First operand 11670 states and 17935 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:12,493 INFO L93 Difference]: Finished difference Result 11707 states and 17935 transitions. [2022-10-15 22:18:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:12,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:18:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:12,516 INFO L225 Difference]: With dead ends: 11707 [2022-10-15 22:18:12,516 INFO L226 Difference]: Without dead ends: 11704 [2022-10-15 22:18:12,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:12,522 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 608 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:12,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 783 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:12,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11704 states. [2022-10-15 22:18:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11704 to 9321. [2022-10-15 22:18:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 9298 states have (on average 1.5301140030114002) internal successors, (14227), 9320 states have internal predecessors, (14227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 14227 transitions. [2022-10-15 22:18:13,256 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 14227 transitions. Word has length 100 [2022-10-15 22:18:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:13,256 INFO L495 AbstractCegarLoop]: Abstraction has 9321 states and 14227 transitions. [2022-10-15 22:18:13,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 14227 transitions. [2022-10-15 22:18:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:18:13,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:13,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:13,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:18:13,258 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -602140516, now seen corresponding path program 1 times [2022-10-15 22:18:13,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:13,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753949775] [2022-10-15 22:18:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:13,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:13,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753949775] [2022-10-15 22:18:13,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753949775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:13,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:13,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:13,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746941445] [2022-10-15 22:18:13,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:13,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:13,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:13,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:13,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:13,437 INFO L87 Difference]: Start difference. First operand 9321 states and 14227 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:14,460 INFO L93 Difference]: Finished difference Result 11727 states and 17827 transitions. [2022-10-15 22:18:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:14,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:18:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:14,478 INFO L225 Difference]: With dead ends: 11727 [2022-10-15 22:18:14,478 INFO L226 Difference]: Without dead ends: 11724 [2022-10-15 22:18:14,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:14,481 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 1134 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:14,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 966 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11724 states. [2022-10-15 22:18:15,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11724 to 11154. [2022-10-15 22:18:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11154 states, 11131 states have (on average 1.527805228640733) internal successors, (17006), 11153 states have internal predecessors, (17006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11154 states to 11154 states and 17006 transitions. [2022-10-15 22:18:15,219 INFO L78 Accepts]: Start accepts. Automaton has 11154 states and 17006 transitions. Word has length 100 [2022-10-15 22:18:15,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:15,219 INFO L495 AbstractCegarLoop]: Abstraction has 11154 states and 17006 transitions. [2022-10-15 22:18:15,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11154 states and 17006 transitions. [2022-10-15 22:18:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:18:15,221 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:15,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:15,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:18:15,221 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:15,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:15,222 INFO L85 PathProgramCache]: Analyzing trace with hash -674678436, now seen corresponding path program 1 times [2022-10-15 22:18:15,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:15,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498032921] [2022-10-15 22:18:15,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:15,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:15,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:15,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498032921] [2022-10-15 22:18:15,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498032921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:15,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:15,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991435790] [2022-10-15 22:18:15,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:15,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:15,417 INFO L87 Difference]: Start difference. First operand 11154 states and 17006 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:16,748 INFO L93 Difference]: Finished difference Result 14871 states and 22672 transitions. [2022-10-15 22:18:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:16,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:18:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:16,767 INFO L225 Difference]: With dead ends: 14871 [2022-10-15 22:18:16,768 INFO L226 Difference]: Without dead ends: 14868 [2022-10-15 22:18:16,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:16,774 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 955 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:16,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1052 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14868 states. [2022-10-15 22:18:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14868 to 14808. [2022-10-15 22:18:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14808 states, 14785 states have (on average 1.5279675346635102) internal successors, (22591), 14807 states have internal predecessors, (22591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14808 states to 14808 states and 22591 transitions. [2022-10-15 22:18:17,852 INFO L78 Accepts]: Start accepts. Automaton has 14808 states and 22591 transitions. Word has length 100 [2022-10-15 22:18:17,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:17,852 INFO L495 AbstractCegarLoop]: Abstraction has 14808 states and 22591 transitions. [2022-10-15 22:18:17,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 14808 states and 22591 transitions. [2022-10-15 22:18:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:18:17,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:17,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:17,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:18:17,853 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:17,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1478017268, now seen corresponding path program 1 times [2022-10-15 22:18:17,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:17,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602994327] [2022-10-15 22:18:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:17,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:18,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:18,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602994327] [2022-10-15 22:18:18,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602994327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:18,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:18,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:18,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035728025] [2022-10-15 22:18:18,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:18,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:18,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:18,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:18,029 INFO L87 Difference]: Start difference. First operand 14808 states and 22591 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:19,464 INFO L93 Difference]: Finished difference Result 15647 states and 23791 transitions. [2022-10-15 22:18:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:19,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:18:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:19,487 INFO L225 Difference]: With dead ends: 15647 [2022-10-15 22:18:19,487 INFO L226 Difference]: Without dead ends: 15644 [2022-10-15 22:18:19,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:19,494 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 951 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:19,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 1027 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:19,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15644 states. [2022-10-15 22:18:20,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15644 to 15591. [2022-10-15 22:18:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15591 states, 15568 states have (on average 1.5270426515930113) internal successors, (23773), 15590 states have internal predecessors, (23773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15591 states to 15591 states and 23773 transitions. [2022-10-15 22:18:20,569 INFO L78 Accepts]: Start accepts. Automaton has 15591 states and 23773 transitions. Word has length 101 [2022-10-15 22:18:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:20,570 INFO L495 AbstractCegarLoop]: Abstraction has 15591 states and 23773 transitions. [2022-10-15 22:18:20,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 15591 states and 23773 transitions. [2022-10-15 22:18:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:18:20,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:20,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:20,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:18:20,571 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:20,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash 568648760, now seen corresponding path program 1 times [2022-10-15 22:18:20,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:20,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826438393] [2022-10-15 22:18:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:20,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:20,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826438393] [2022-10-15 22:18:20,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826438393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:20,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:20,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266545297] [2022-10-15 22:18:20,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:20,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:20,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:20,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:20,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:20,829 INFO L87 Difference]: Start difference. First operand 15591 states and 23773 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:22,076 INFO L93 Difference]: Finished difference Result 15899 states and 24161 transitions. [2022-10-15 22:18:22,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:22,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:18:22,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:22,101 INFO L225 Difference]: With dead ends: 15899 [2022-10-15 22:18:22,101 INFO L226 Difference]: Without dead ends: 15896 [2022-10-15 22:18:22,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:22,117 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 846 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:22,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1001 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:22,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15896 states. [2022-10-15 22:18:23,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15896 to 15852. [2022-10-15 22:18:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15829 states have (on average 1.5258070629856593) internal successors, (24152), 15851 states have internal predecessors, (24152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 24152 transitions. [2022-10-15 22:18:23,282 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 24152 transitions. Word has length 101 [2022-10-15 22:18:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:23,282 INFO L495 AbstractCegarLoop]: Abstraction has 15852 states and 24152 transitions. [2022-10-15 22:18:23,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 24152 transitions. [2022-10-15 22:18:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:18:23,289 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:23,289 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:23,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 22:18:23,289 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:23,291 INFO L85 PathProgramCache]: Analyzing trace with hash 478101017, now seen corresponding path program 1 times [2022-10-15 22:18:23,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:23,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292746139] [2022-10-15 22:18:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:23,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:23,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292746139] [2022-10-15 22:18:23,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292746139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:23,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:23,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:18:23,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210886860] [2022-10-15 22:18:23,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:23,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:18:23,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:23,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:18:23,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:23,484 INFO L87 Difference]: Start difference. First operand 15852 states and 24152 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:25,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:25,069 INFO L93 Difference]: Finished difference Result 23308 states and 35400 transitions. [2022-10-15 22:18:25,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:18:25,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:18:25,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:25,092 INFO L225 Difference]: With dead ends: 23308 [2022-10-15 22:18:25,092 INFO L226 Difference]: Without dead ends: 16244 [2022-10-15 22:18:25,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-15 22:18:25,106 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 1239 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:25,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 1481 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:25,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16244 states. [2022-10-15 22:18:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16244 to 16201. [2022-10-15 22:18:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16201 states, 16178 states have (on average 1.5234268760044505) internal successors, (24646), 16200 states have internal predecessors, (24646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16201 states to 16201 states and 24646 transitions. [2022-10-15 22:18:26,340 INFO L78 Accepts]: Start accepts. Automaton has 16201 states and 24646 transitions. Word has length 101 [2022-10-15 22:18:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:26,340 INFO L495 AbstractCegarLoop]: Abstraction has 16201 states and 24646 transitions. [2022-10-15 22:18:26,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 16201 states and 24646 transitions. [2022-10-15 22:18:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:18:26,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:26,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:26,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 22:18:26,342 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:18:26,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:26,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1105313919, now seen corresponding path program 1 times [2022-10-15 22:18:26,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:26,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498712226] [2022-10-15 22:18:26,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:26,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:26,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498712226] [2022-10-15 22:18:26,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498712226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:26,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:26,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397000680] [2022-10-15 22:18:26,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:26,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:26,500 INFO L87 Difference]: Start difference. First operand 16201 states and 24646 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:28,027 INFO L93 Difference]: Finished difference Result 18079 states and 27470 transitions. [2022-10-15 22:18:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:28,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-15 22:18:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:28,052 INFO L225 Difference]: With dead ends: 18079 [2022-10-15 22:18:28,052 INFO L226 Difference]: Without dead ends: 18076 [2022-10-15 22:18:28,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:28,057 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 469 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:28,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1555 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18076 states.