/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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:49:00,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:49:00,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:49:00,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:49:00,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:49:00,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:49:00,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:49:00,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:49:00,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:49:00,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:49:00,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:49:00,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:49:00,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:49:00,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:49:00,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:49:00,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:49:00,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:49:00,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:49:00,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:49:00,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:49:00,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:49:00,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:49:00,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:49:00,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:49:00,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:49:00,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:49:00,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:49:00,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:49:00,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:49:00,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:49:00,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:49:00,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:49:00,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:49:00,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:49:00,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:49:00,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:49:00,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:49:00,416 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:49:00,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:49:00,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:49:00,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:49:00,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:49:00,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:49:00,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:49:00,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:49:00,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:49:00,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:49:00,419 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:49:00,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:49:00,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:49:00,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:49:00,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:49:00,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:49:00,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:49:00,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:49:00,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:49:00,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:49:00,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:49:00,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:49:00,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:49:00,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:49:00,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:49:00,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:49:00,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:49:00,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:49:00,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:49:00,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:49:00,864 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:49:00,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 15:49:00,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a522e5d/29d3647f67cc401c8cda9cdf7c25b725/FLAG03f8b47d7 [2022-10-16 15:49:01,683 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:49:01,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 15:49:01,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a522e5d/29d3647f67cc401c8cda9cdf7c25b725/FLAG03f8b47d7 [2022-10-16 15:49:01,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a522e5d/29d3647f67cc401c8cda9cdf7c25b725 [2022-10-16 15:49:01,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:49:01,908 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:49:01,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:49:01,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:49:01,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:49:01,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:49:01" (1/1) ... [2022-10-16 15:49:01,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0c0cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:01, skipping insertion in model container [2022-10-16 15:49:01,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:49:01" (1/1) ... [2022-10-16 15:49:01,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:49:02,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:49:02,514 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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[24514,24527] [2022-10-16 15:49:02,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:49:02,874 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:49:03,081 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_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[24514,24527] [2022-10-16 15:49:03,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:49:03,207 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:49:03,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03 WrapperNode [2022-10-16 15:49:03,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:49:03,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:49:03,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:49:03,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:49:03,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,351 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2384 [2022-10-16 15:49:03,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:49:03,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:49:03,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:49:03,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:49:03,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:49:03,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:49:03,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:49:03,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:49:03,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (1/1) ... [2022-10-16 15:49:03,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:49:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:49:03,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:49:03,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:49:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:49:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:49:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:49:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:49:03,855 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:49:03,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:49:05,852 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:49:05,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:49:05,886 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:49:05,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:49:05 BoogieIcfgContainer [2022-10-16 15:49:05,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:49:05,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:49:05,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:49:05,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:49:05,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:49:01" (1/3) ... [2022-10-16 15:49:05,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7c336f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:49:05, skipping insertion in model container [2022-10-16 15:49:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:49:03" (2/3) ... [2022-10-16 15:49:05,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7c336f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:49:05, skipping insertion in model container [2022-10-16 15:49:05,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:49:05" (3/3) ... [2022-10-16 15:49:05,900 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 15:49:05,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:49:05,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 174 error locations. [2022-10-16 15:49:06,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:49:06,012 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;@590dec45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:49:06,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 174 error locations. [2022-10-16 15:49:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 927 states, 752 states have (on average 1.8390957446808511) internal successors, (1383), 926 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:49:06,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:06,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:06,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:06,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:06,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1074148848, now seen corresponding path program 1 times [2022-10-16 15:49:06,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:06,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535138065] [2022-10-16 15:49:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:06,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:06,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535138065] [2022-10-16 15:49:06,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535138065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:06,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:06,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:06,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406414794] [2022-10-16 15:49:06,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:06,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:06,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:06,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:06,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:06,981 INFO L87 Difference]: Start difference. First operand has 927 states, 752 states have (on average 1.8390957446808511) internal successors, (1383), 926 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:07,520 INFO L93 Difference]: Finished difference Result 1250 states and 1834 transitions. [2022-10-16 15:49:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:07,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 15:49:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:07,550 INFO L225 Difference]: With dead ends: 1250 [2022-10-16 15:49:07,551 INFO L226 Difference]: Without dead ends: 1230 [2022-10-16 15:49:07,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:07,562 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 1245 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:07,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 1962 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:49:07,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-10-16 15:49:07,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1160. [2022-10-16 15:49:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 992 states have (on average 1.6875) internal successors, (1674), 1159 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1674 transitions. [2022-10-16 15:49:07,722 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1674 transitions. Word has length 119 [2022-10-16 15:49:07,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:07,724 INFO L495 AbstractCegarLoop]: Abstraction has 1160 states and 1674 transitions. [2022-10-16 15:49:07,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1674 transitions. [2022-10-16 15:49:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:49:07,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:07,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:07,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:49:07,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:07,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1061124548, now seen corresponding path program 1 times [2022-10-16 15:49:07,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:07,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257370758] [2022-10-16 15:49:07,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:08,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:08,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257370758] [2022-10-16 15:49:08,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257370758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:08,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:08,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:08,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461044685] [2022-10-16 15:49:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:08,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:08,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:08,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:08,200 INFO L87 Difference]: Start difference. First operand 1160 states and 1674 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:08,562 INFO L93 Difference]: Finished difference Result 1235 states and 1674 transitions. [2022-10-16 15:49:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:49:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:08,576 INFO L225 Difference]: With dead ends: 1235 [2022-10-16 15:49:08,576 INFO L226 Difference]: Without dead ends: 1224 [2022-10-16 15:49:08,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:08,586 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 1111 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:08,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 1821 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:08,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2022-10-16 15:49:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1154. [2022-10-16 15:49:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 992 states have (on average 1.6764112903225807) internal successors, (1663), 1153 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1663 transitions. [2022-10-16 15:49:08,666 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1663 transitions. Word has length 120 [2022-10-16 15:49:08,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:08,670 INFO L495 AbstractCegarLoop]: Abstraction has 1154 states and 1663 transitions. [2022-10-16 15:49:08,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1663 transitions. [2022-10-16 15:49:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:49:08,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:08,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:08,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:49:08,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:08,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1464876910, now seen corresponding path program 1 times [2022-10-16 15:49:08,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:08,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755544684] [2022-10-16 15:49:08,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:08,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:08,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755544684] [2022-10-16 15:49:08,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755544684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:08,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:08,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:08,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354266015] [2022-10-16 15:49:08,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:08,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:08,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:08,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:08,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:08,982 INFO L87 Difference]: Start difference. First operand 1154 states and 1663 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:09,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:09,341 INFO L93 Difference]: Finished difference Result 1393 states and 1968 transitions. [2022-10-16 15:49:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:09,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:49:09,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:09,350 INFO L225 Difference]: With dead ends: 1393 [2022-10-16 15:49:09,350 INFO L226 Difference]: Without dead ends: 1382 [2022-10-16 15:49:09,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:09,354 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 1093 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:09,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1782 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-10-16 15:49:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1322. [2022-10-16 15:49:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1166 states have (on average 1.6783876500857633) internal successors, (1957), 1321 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1957 transitions. [2022-10-16 15:49:09,449 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1957 transitions. Word has length 121 [2022-10-16 15:49:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:09,451 INFO L495 AbstractCegarLoop]: Abstraction has 1322 states and 1957 transitions. [2022-10-16 15:49:09,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1957 transitions. [2022-10-16 15:49:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:49:09,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:09,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:09,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:49:09,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:09,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1833456518, now seen corresponding path program 1 times [2022-10-16 15:49:09,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:09,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454448420] [2022-10-16 15:49:09,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:09,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:09,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454448420] [2022-10-16 15:49:09,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454448420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:09,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:09,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049274668] [2022-10-16 15:49:09,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:09,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:09,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:09,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:09,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:09,698 INFO L87 Difference]: Start difference. First operand 1322 states and 1957 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:10,031 INFO L93 Difference]: Finished difference Result 1387 states and 1957 transitions. [2022-10-16 15:49:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:10,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:49:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:10,039 INFO L225 Difference]: With dead ends: 1387 [2022-10-16 15:49:10,040 INFO L226 Difference]: Without dead ends: 1376 [2022-10-16 15:49:10,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:10,053 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 1086 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:10,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 1782 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:49:10,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-10-16 15:49:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1316. [2022-10-16 15:49:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1166 states have (on average 1.6689536878216122) internal successors, (1946), 1315 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1946 transitions. [2022-10-16 15:49:10,159 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1946 transitions. Word has length 122 [2022-10-16 15:49:10,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:10,160 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1946 transitions. [2022-10-16 15:49:10,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1946 transitions. [2022-10-16 15:49:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:49:10,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:10,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:10,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:49:10,163 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:10,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:10,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1002577684, now seen corresponding path program 1 times [2022-10-16 15:49:10,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:10,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179852291] [2022-10-16 15:49:10,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:10,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:10,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179852291] [2022-10-16 15:49:10,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179852291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:10,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:10,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:10,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055918446] [2022-10-16 15:49:10,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:10,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:10,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:10,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:10,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:10,412 INFO L87 Difference]: Start difference. First operand 1316 states and 1946 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:10,812 INFO L93 Difference]: Finished difference Result 1728 states and 2609 transitions. [2022-10-16 15:49:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:10,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:49:10,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:10,844 INFO L225 Difference]: With dead ends: 1728 [2022-10-16 15:49:10,845 INFO L226 Difference]: Without dead ends: 1717 [2022-10-16 15:49:10,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:10,847 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 1087 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:10,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1329 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:49:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-10-16 15:49:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1697. [2022-10-16 15:49:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1556 states have (on average 1.6651670951156812) internal successors, (2591), 1696 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2591 transitions. [2022-10-16 15:49:10,976 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2591 transitions. Word has length 123 [2022-10-16 15:49:10,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:10,977 INFO L495 AbstractCegarLoop]: Abstraction has 1697 states and 2591 transitions. [2022-10-16 15:49:10,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2591 transitions. [2022-10-16 15:49:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:49:10,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:10,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:10,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:49:10,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1015137608, now seen corresponding path program 1 times [2022-10-16 15:49:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:10,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191942694] [2022-10-16 15:49:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:11,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:11,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:11,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191942694] [2022-10-16 15:49:11,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191942694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:11,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:11,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:11,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579536425] [2022-10-16 15:49:11,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:11,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:11,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:11,236 INFO L87 Difference]: Start difference. First operand 1697 states and 2591 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:11,804 INFO L93 Difference]: Finished difference Result 2424 states and 3740 transitions. [2022-10-16 15:49:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:11,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 15:49:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:11,819 INFO L225 Difference]: With dead ends: 2424 [2022-10-16 15:49:11,820 INFO L226 Difference]: Without dead ends: 2413 [2022-10-16 15:49:11,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:11,823 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 1069 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:11,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 1709 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:11,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2022-10-16 15:49:12,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2357. [2022-10-16 15:49:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2357 states, 2222 states have (on average 1.6741674167416742) internal successors, (3720), 2356 states have internal predecessors, (3720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 3720 transitions. [2022-10-16 15:49:12,027 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 3720 transitions. Word has length 124 [2022-10-16 15:49:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:12,028 INFO L495 AbstractCegarLoop]: Abstraction has 2357 states and 3720 transitions. [2022-10-16 15:49:12,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 3720 transitions. [2022-10-16 15:49:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:49:12,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:12,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:12,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:49:12,031 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:12,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash 589680426, now seen corresponding path program 1 times [2022-10-16 15:49:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:12,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54562722] [2022-10-16 15:49:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:12,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54562722] [2022-10-16 15:49:12,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54562722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:12,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:12,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587357236] [2022-10-16 15:49:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:12,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:12,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:12,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:12,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:12,277 INFO L87 Difference]: Start difference. First operand 2357 states and 3720 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:12,817 INFO L93 Difference]: Finished difference Result 3676 states and 5925 transitions. [2022-10-16 15:49:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:12,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:49:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:12,838 INFO L225 Difference]: With dead ends: 3676 [2022-10-16 15:49:12,838 INFO L226 Difference]: Without dead ends: 3672 [2022-10-16 15:49:12,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:12,842 INFO L413 NwaCegarLoop]: 1020 mSDtfsCounter, 1010 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:12,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1282 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:49:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2022-10-16 15:49:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3647. [2022-10-16 15:49:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3647 states, 3515 states have (on average 1.6779516358463726) internal successors, (5898), 3646 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 5898 transitions. [2022-10-16 15:49:13,167 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 5898 transitions. Word has length 126 [2022-10-16 15:49:13,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:13,167 INFO L495 AbstractCegarLoop]: Abstraction has 3647 states and 5898 transitions. [2022-10-16 15:49:13,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 5898 transitions. [2022-10-16 15:49:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:49:13,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:13,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:13,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:49:13,170 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:13,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:13,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1100224505, now seen corresponding path program 1 times [2022-10-16 15:49:13,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:13,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521602048] [2022-10-16 15:49:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:13,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:13,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521602048] [2022-10-16 15:49:13,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521602048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:13,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:13,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:49:13,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450642495] [2022-10-16 15:49:13,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:13,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:49:13,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:13,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:49:13,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:13,399 INFO L87 Difference]: Start difference. First operand 3647 states and 5898 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:14,354 INFO L93 Difference]: Finished difference Result 6434 states and 10569 transitions. [2022-10-16 15:49:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:14,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 15:49:14,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:14,393 INFO L225 Difference]: With dead ends: 6434 [2022-10-16 15:49:14,394 INFO L226 Difference]: Without dead ends: 6430 [2022-10-16 15:49:14,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:49:14,401 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 959 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:14,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 1660 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:14,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6430 states. [2022-10-16 15:49:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6430 to 6377. [2022-10-16 15:49:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 6248 states have (on average 1.6862996158770807) internal successors, (10536), 6376 states have internal predecessors, (10536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 10536 transitions. [2022-10-16 15:49:15,229 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 10536 transitions. Word has length 127 [2022-10-16 15:49:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:15,229 INFO L495 AbstractCegarLoop]: Abstraction has 6377 states and 10536 transitions. [2022-10-16 15:49:15,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 10536 transitions. [2022-10-16 15:49:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:49:15,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:15,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:15,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:49:15,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:15,233 INFO L85 PathProgramCache]: Analyzing trace with hash 753810043, now seen corresponding path program 1 times [2022-10-16 15:49:15,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:15,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895992760] [2022-10-16 15:49:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:15,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895992760] [2022-10-16 15:49:15,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895992760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:15,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:15,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:15,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890964904] [2022-10-16 15:49:15,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:15,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:15,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:15,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:15,414 INFO L87 Difference]: Start difference. First operand 6377 states and 10536 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:17,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:17,203 INFO L93 Difference]: Finished difference Result 19548 states and 32747 transitions. [2022-10-16 15:49:17,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:49:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:49:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:17,273 INFO L225 Difference]: With dead ends: 19548 [2022-10-16 15:49:17,274 INFO L226 Difference]: Without dead ends: 13895 [2022-10-16 15:49:17,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:17,296 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 2068 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:17,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2068 Valid, 2084 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13895 states. [2022-10-16 15:49:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13895 to 11852. [2022-10-16 15:49:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11852 states, 11727 states have (on average 1.6892640914129786) internal successors, (19810), 11851 states have internal predecessors, (19810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11852 states to 11852 states and 19810 transitions. [2022-10-16 15:49:18,781 INFO L78 Accepts]: Start accepts. Automaton has 11852 states and 19810 transitions. Word has length 129 [2022-10-16 15:49:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:18,782 INFO L495 AbstractCegarLoop]: Abstraction has 11852 states and 19810 transitions. [2022-10-16 15:49:18,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11852 states and 19810 transitions. [2022-10-16 15:49:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:49:18,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:18,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:18,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:49:18,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:18,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1893275343, now seen corresponding path program 1 times [2022-10-16 15:49:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:18,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915726967] [2022-10-16 15:49:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:18,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:18,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915726967] [2022-10-16 15:49:18,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915726967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:18,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:18,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:18,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930677883] [2022-10-16 15:49:18,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:18,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:18,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:18,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:18,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:18,951 INFO L87 Difference]: Start difference. First operand 11852 states and 19810 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:20,652 INFO L93 Difference]: Finished difference Result 13813 states and 23117 transitions. [2022-10-16 15:49:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:49:20,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 15:49:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:20,696 INFO L225 Difference]: With dead ends: 13813 [2022-10-16 15:49:20,696 INFO L226 Difference]: Without dead ends: 13808 [2022-10-16 15:49:20,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:20,704 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 2061 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:20,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 1822 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13808 states. [2022-10-16 15:49:22,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13808 to 13751. [2022-10-16 15:49:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13751 states, 13630 states have (on average 1.6920029347028613) internal successors, (23062), 13750 states have internal predecessors, (23062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13751 states to 13751 states and 23062 transitions. [2022-10-16 15:49:22,429 INFO L78 Accepts]: Start accepts. Automaton has 13751 states and 23062 transitions. Word has length 130 [2022-10-16 15:49:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:22,430 INFO L495 AbstractCegarLoop]: Abstraction has 13751 states and 23062 transitions. [2022-10-16 15:49:22,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13751 states and 23062 transitions. [2022-10-16 15:49:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:49:22,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:22,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:22,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:49:22,433 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:22,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1628513103, now seen corresponding path program 1 times [2022-10-16 15:49:22,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:22,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518191052] [2022-10-16 15:49:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:22,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:22,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518191052] [2022-10-16 15:49:22,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518191052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:22,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:22,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:22,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374289886] [2022-10-16 15:49:22,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:22,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:22,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:22,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:22,600 INFO L87 Difference]: Start difference. First operand 13751 states and 23062 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:25,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:25,273 INFO L93 Difference]: Finished difference Result 41614 states and 70313 transitions. [2022-10-16 15:49:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:49:25,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:49:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:25,380 INFO L225 Difference]: With dead ends: 41614 [2022-10-16 15:49:25,380 INFO L226 Difference]: Without dead ends: 28579 [2022-10-16 15:49:25,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:25,415 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 2048 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:25,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 2421 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28579 states. [2022-10-16 15:49:28,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28579 to 22788. [2022-10-16 15:49:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22788 states, 22671 states have (on average 1.692470557099378) internal successors, (38370), 22787 states have internal predecessors, (38370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22788 states to 22788 states and 38370 transitions. [2022-10-16 15:49:28,554 INFO L78 Accepts]: Start accepts. Automaton has 22788 states and 38370 transitions. Word has length 132 [2022-10-16 15:49:28,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:28,555 INFO L495 AbstractCegarLoop]: Abstraction has 22788 states and 38370 transitions. [2022-10-16 15:49:28,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 22788 states and 38370 transitions. [2022-10-16 15:49:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 15:49:28,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:28,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:28,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:49:28,558 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1055701856, now seen corresponding path program 1 times [2022-10-16 15:49:28,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:28,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455139271] [2022-10-16 15:49:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:28,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:28,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:28,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455139271] [2022-10-16 15:49:28,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455139271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:28,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:28,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:28,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167782304] [2022-10-16 15:49:28,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:28,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:28,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:28,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:28,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:28,761 INFO L87 Difference]: Start difference. First operand 22788 states and 38370 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:31,818 INFO L93 Difference]: Finished difference Result 31940 states and 53951 transitions. [2022-10-16 15:49:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:49:31,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 15:49:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:31,940 INFO L225 Difference]: With dead ends: 31940 [2022-10-16 15:49:31,940 INFO L226 Difference]: Without dead ends: 31935 [2022-10-16 15:49:31,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:31,958 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 2037 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:31,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 1892 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:49:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31935 states. [2022-10-16 15:49:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31935 to 31825. [2022-10-16 15:49:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31825 states, 31712 states have (on average 1.695446518668012) internal successors, (53766), 31824 states have internal predecessors, (53766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31825 states to 31825 states and 53766 transitions. [2022-10-16 15:49:34,889 INFO L78 Accepts]: Start accepts. Automaton has 31825 states and 53766 transitions. Word has length 133 [2022-10-16 15:49:34,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:34,890 INFO L495 AbstractCegarLoop]: Abstraction has 31825 states and 53766 transitions. [2022-10-16 15:49:34,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31825 states and 53766 transitions. [2022-10-16 15:49:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:49:34,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:34,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:34,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:49:34,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:34,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:34,894 INFO L85 PathProgramCache]: Analyzing trace with hash 917217762, now seen corresponding path program 1 times [2022-10-16 15:49:34,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:34,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800795643] [2022-10-16 15:49:34,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:34,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:35,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:35,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800795643] [2022-10-16 15:49:35,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800795643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:35,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:35,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859220043] [2022-10-16 15:49:35,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:35,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:35,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:35,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:35,062 INFO L87 Difference]: Start difference. First operand 31825 states and 53766 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:42,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:42,279 INFO L93 Difference]: Finished difference Result 115056 states and 195273 transitions. [2022-10-16 15:49:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:49:42,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 15:49:42,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:42,525 INFO L225 Difference]: With dead ends: 115056 [2022-10-16 15:49:42,526 INFO L226 Difference]: Without dead ends: 83939 [2022-10-16 15:49:42,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:42,587 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 2028 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:42,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 2248 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:49:42,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83939 states. [2022-10-16 15:49:48,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83939 to 57634. [2022-10-16 15:49:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57634 states, 57525 states have (on average 1.6967231638418079) internal successors, (97604), 57633 states have internal predecessors, (97604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57634 states to 57634 states and 97604 transitions. [2022-10-16 15:49:48,337 INFO L78 Accepts]: Start accepts. Automaton has 57634 states and 97604 transitions. Word has length 135 [2022-10-16 15:49:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:48,337 INFO L495 AbstractCegarLoop]: Abstraction has 57634 states and 97604 transitions. [2022-10-16 15:49:48,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 57634 states and 97604 transitions. [2022-10-16 15:49:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:49:48,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:48,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:48,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:49:48,339 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:49:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:48,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1631019946, now seen corresponding path program 1 times [2022-10-16 15:49:48,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:48,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529643647] [2022-10-16 15:49:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:48,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:48,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:48,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529643647] [2022-10-16 15:49:48,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529643647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:48,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:48,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:48,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867939036] [2022-10-16 15:49:48,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:48,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:48,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:48,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:48,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:48,712 INFO L87 Difference]: Start difference. First operand 57634 states and 97604 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:57,066 INFO L93 Difference]: Finished difference Result 88422 states and 149885 transitions. [2022-10-16 15:49:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:49:57,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 15:49:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:57,422 INFO L225 Difference]: With dead ends: 88422 [2022-10-16 15:49:57,423 INFO L226 Difference]: Without dead ends: 88417 [2022-10-16 15:49:57,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:49:57,448 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 2021 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:57,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 1962 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:49:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88417 states. [2022-10-16 15:50:06,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88417 to 88137. [2022-10-16 15:50:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88137 states, 88032 states have (on average 1.6957470010905125) internal successors, (149280), 88136 states have internal predecessors, (149280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88137 states to 88137 states and 149280 transitions. [2022-10-16 15:50:07,108 INFO L78 Accepts]: Start accepts. Automaton has 88137 states and 149280 transitions. Word has length 136 [2022-10-16 15:50:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:07,109 INFO L495 AbstractCegarLoop]: Abstraction has 88137 states and 149280 transitions. [2022-10-16 15:50:07,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 88137 states and 149280 transitions. [2022-10-16 15:50:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 15:50:07,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:07,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:50:07,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:50:07,111 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:50:07,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:07,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1144667718, now seen corresponding path program 1 times [2022-10-16 15:50:07,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:07,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770262835] [2022-10-16 15:50:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:07,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:07,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:07,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770262835] [2022-10-16 15:50:07,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770262835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:07,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:07,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:07,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171379186] [2022-10-16 15:50:07,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:07,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:07,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:07,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:07,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:07,291 INFO L87 Difference]: Start difference. First operand 88137 states and 149280 transitions. Second operand has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:22,992 INFO L93 Difference]: Finished difference Result 162209 states and 276201 transitions. [2022-10-16 15:50:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:50:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 15:50:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:23,523 INFO L225 Difference]: With dead ends: 162209 [2022-10-16 15:50:23,523 INFO L226 Difference]: Without dead ends: 162203 [2022-10-16 15:50:23,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:23,580 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 1997 mSDsluCounter, 1567 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 2640 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:23,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 2640 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:50:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162203 states. [2022-10-16 15:50:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162203 to 131916. [2022-10-16 15:50:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131916 states, 131814 states have (on average 1.7004794634864278) internal successors, (224147), 131915 states have internal predecessors, (224147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131916 states to 131916 states and 224147 transitions. [2022-10-16 15:50:37,918 INFO L78 Accepts]: Start accepts. Automaton has 131916 states and 224147 transitions. Word has length 148 [2022-10-16 15:50:37,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:50:37,919 INFO L495 AbstractCegarLoop]: Abstraction has 131916 states and 224147 transitions. [2022-10-16 15:50:37,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 131916 states and 224147 transitions. [2022-10-16 15:50:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 15:50:37,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:50:37,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:50:37,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:50:37,921 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:50:37,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:50:37,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1124961429, now seen corresponding path program 1 times [2022-10-16 15:50:37,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:50:37,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65870181] [2022-10-16 15:50:37,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:50:37,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:50:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:50:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:50:38,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:50:38,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65870181] [2022-10-16 15:50:38,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65870181] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:50:38,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:50:38,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:50:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316869404] [2022-10-16 15:50:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:50:38,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:50:38,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:50:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:50:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:50:38,091 INFO L87 Difference]: Start difference. First operand 131916 states and 224147 transitions. Second operand has 4 states, 3 states have (on average 49.666666666666664) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:50:56,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:50:56,804 INFO L93 Difference]: Finished difference Result 181925 states and 309179 transitions. [2022-10-16 15:50:56,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:50:56,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.666666666666664) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 15:50:56,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:50:57,259 INFO L225 Difference]: With dead ends: 181925 [2022-10-16 15:50:57,259 INFO L226 Difference]: Without dead ends: 181919 [2022-10-16 15:50:57,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:50:57,324 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 2087 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:50:57,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 2011 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:50:57,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181919 states. [2022-10-16 15:51:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181919 to 181865. [2022-10-16 15:51:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181865 states, 181766 states have (on average 1.6984859654720905) internal successors, (308727), 181864 states have internal predecessors, (308727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181865 states to 181865 states and 308727 transitions. [2022-10-16 15:51:18,161 INFO L78 Accepts]: Start accepts. Automaton has 181865 states and 308727 transitions. Word has length 149 [2022-10-16 15:51:18,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:18,161 INFO L495 AbstractCegarLoop]: Abstraction has 181865 states and 308727 transitions. [2022-10-16 15:51:18,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.666666666666664) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 181865 states and 308727 transitions. [2022-10-16 15:51:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 15:51:18,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:18,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:18,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:51:18,164 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:51:18,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:18,165 INFO L85 PathProgramCache]: Analyzing trace with hash 514066472, now seen corresponding path program 1 times [2022-10-16 15:51:18,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:18,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194260983] [2022-10-16 15:51:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:18,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:18,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194260983] [2022-10-16 15:51:18,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194260983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:18,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:18,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:51:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530740281] [2022-10-16 15:51:18,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:18,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:51:18,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:51:18,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:51:18,395 INFO L87 Difference]: Start difference. First operand 181865 states and 308727 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:44,589 INFO L93 Difference]: Finished difference Result 241367 states and 410247 transitions. [2022-10-16 15:51:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:51:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 15:51:44,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:45,240 INFO L225 Difference]: With dead ends: 241367 [2022-10-16 15:51:45,240 INFO L226 Difference]: Without dead ends: 241361 [2022-10-16 15:51:45,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:51:45,336 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 3138 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:45,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 3782 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:51:45,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241361 states. [2022-10-16 15:52:09,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241361 to 211040. [2022-10-16 15:52:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211040 states, 210944 states have (on average 1.69873046875) internal successors, (358337), 211039 states have internal predecessors, (358337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211040 states to 211040 states and 358337 transitions. [2022-10-16 15:52:10,800 INFO L78 Accepts]: Start accepts. Automaton has 211040 states and 358337 transitions. Word has length 150 [2022-10-16 15:52:10,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:10,802 INFO L495 AbstractCegarLoop]: Abstraction has 211040 states and 358337 transitions. [2022-10-16 15:52:10,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 211040 states and 358337 transitions. [2022-10-16 15:52:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 15:52:10,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:10,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:10,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:52:10,804 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 171 more)] === [2022-10-16 15:52:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:10,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1243808009, now seen corresponding path program 1 times [2022-10-16 15:52:10,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:10,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15608196] [2022-10-16 15:52:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:11,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:11,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15608196] [2022-10-16 15:52:11,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15608196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:11,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:11,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:52:11,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881895542] [2022-10-16 15:52:11,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:11,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:52:11,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:11,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:52:11,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:52:11,006 INFO L87 Difference]: Start difference. First operand 211040 states and 358337 transitions. Second operand has 5 states, 4 states have (on average 37.75) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:38,551 INFO L93 Difference]: Finished difference Result 245608 states and 416945 transitions. [2022-10-16 15:52:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:52:38,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.75) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 15:52:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:39,388 INFO L225 Difference]: With dead ends: 245608 [2022-10-16 15:52:39,388 INFO L226 Difference]: Without dead ends: 245602 [2022-10-16 15:52:39,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:52:39,468 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 3220 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:39,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3220 Valid, 2888 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:52:39,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245602 states.