/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:15:29,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:15:29,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:15:29,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:15:29,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:15:29,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:15:29,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:15:29,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:15:29,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:15:29,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:15:29,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:15:29,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:15:29,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:15:29,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:15:29,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:15:29,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:15:29,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:15:29,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:15:29,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:15:29,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:15:29,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:15:29,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:15:29,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:15:29,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:15:29,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:15:29,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:15:29,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:15:29,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:15:29,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:15:29,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:15:29,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:15:29,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:15:29,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:15:29,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:15:29,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:15:29,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:15:29,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:15:29,653 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:15:29,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:15:29,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:15:29,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:15:29,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:15:29,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:15:29,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:15:29,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:15:29,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:15:29,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:15:29,657 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:15:29,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:15:29,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:15:29,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:15:29,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:15:29,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:15:29,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:15:29,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:15:29,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:29,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:15:29,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:15:29,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:15:29,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:15:29,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:15:29,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:15:29,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:15:30,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:15:30,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:15:30,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:15:30,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:15:30,156 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:15:30,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:15:30,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8728e4358/3a0beabd208c4f179bf629962e887886/FLAGa6e0f1234 [2022-10-16 16:15:30,927 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:15:30,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:15:30,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8728e4358/3a0beabd208c4f179bf629962e887886/FLAGa6e0f1234 [2022-10-16 16:15:31,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8728e4358/3a0beabd208c4f179bf629962e887886 [2022-10-16 16:15:31,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:15:31,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:15:31,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:31,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:15:31,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:15:31,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17183e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31, skipping insertion in model container [2022-10-16 16:15:31,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:15:31,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:15:31,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7401,7414] [2022-10-16 16:15:31,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:31,690 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:15:31,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7401,7414] [2022-10-16 16:15:31,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:31,880 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:15:31,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31 WrapperNode [2022-10-16 16:15:31,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:31,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:31,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:15:31,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:15:31,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,952 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 639 [2022-10-16 16:15:31,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:31,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:15:31,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:15:31,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:15:31,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:31,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:32,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:32,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:32,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:32,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:15:32,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:15:32,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:15:32,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:15:32,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (1/1) ... [2022-10-16 16:15:32,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:15:32,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:15:32,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:15:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:15:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:15:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:15:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:15:32,293 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:15:32,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:15:33,185 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:15:33,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:15:33,201 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:15:33,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:33 BoogieIcfgContainer [2022-10-16 16:15:33,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:15:33,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:15:33,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:15:33,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:15:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:15:31" (1/3) ... [2022-10-16 16:15:33,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4fc4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:33, skipping insertion in model container [2022-10-16 16:15:33,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:31" (2/3) ... [2022-10-16 16:15:33,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4fc4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:33, skipping insertion in model container [2022-10-16 16:15:33,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:33" (3/3) ... [2022-10-16 16:15:33,220 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:15:33,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:15:33,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:15:33,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:15:33,329 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;@391779aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:15:33,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:15:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 188 states have (on average 1.7553191489361701) internal successors, (330), 220 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:15:33,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:33,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:15:33,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:33,352 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:15:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:33,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793479455] [2022-10-16 16:15:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:33,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:33,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793479455] [2022-10-16 16:15:33,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793479455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:33,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:33,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:15:33,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104349545] [2022-10-16 16:15:33,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:33,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:15:33,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:33,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:15:33,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:33,672 INFO L87 Difference]: Start difference. First operand has 221 states, 188 states have (on average 1.7553191489361701) internal successors, (330), 220 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:33,715 INFO L93 Difference]: Finished difference Result 224 states and 332 transitions. [2022-10-16 16:15:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:15:33,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:15:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:33,733 INFO L225 Difference]: With dead ends: 224 [2022-10-16 16:15:33,734 INFO L226 Difference]: Without dead ends: 206 [2022-10-16 16:15:33,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:33,743 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:33,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:33,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-16 16:15:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-10-16 16:15:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 186 states have (on average 1.467741935483871) internal successors, (273), 205 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 273 transitions. [2022-10-16 16:15:33,825 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 273 transitions. Word has length 4 [2022-10-16 16:15:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:33,826 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 273 transitions. [2022-10-16 16:15:33,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 273 transitions. [2022-10-16 16:15:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:15:33,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:33,835 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] [2022-10-16 16:15:33,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:15:33,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:33,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1158169559, now seen corresponding path program 1 times [2022-10-16 16:15:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:33,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828046167] [2022-10-16 16:15:33,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:34,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:34,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828046167] [2022-10-16 16:15:34,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828046167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:34,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:34,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:34,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434249565] [2022-10-16 16:15:34,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:34,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:34,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:34,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:34,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:34,228 INFO L87 Difference]: Start difference. First operand 206 states and 273 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:34,346 INFO L93 Difference]: Finished difference Result 494 states and 685 transitions. [2022-10-16 16:15:34,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:34,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:15:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:34,355 INFO L225 Difference]: With dead ends: 494 [2022-10-16 16:15:34,356 INFO L226 Difference]: Without dead ends: 342 [2022-10-16 16:15:34,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:34,364 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 203 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:34,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 655 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:34,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-10-16 16:15:34,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 322. [2022-10-16 16:15:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 302 states have (on average 1.5397350993377483) internal successors, (465), 321 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 465 transitions. [2022-10-16 16:15:34,425 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 465 transitions. Word has length 80 [2022-10-16 16:15:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:34,426 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 465 transitions. [2022-10-16 16:15:34,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 465 transitions. [2022-10-16 16:15:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:15:34,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:34,430 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] [2022-10-16 16:15:34,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:15:34,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1980637769, now seen corresponding path program 1 times [2022-10-16 16:15:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:34,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564734931] [2022-10-16 16:15:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:34,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:34,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564734931] [2022-10-16 16:15:34,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564734931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:34,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:34,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:34,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949470191] [2022-10-16 16:15:34,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:34,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:34,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:34,787 INFO L87 Difference]: Start difference. First operand 322 states and 465 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:34,895 INFO L93 Difference]: Finished difference Result 826 states and 1235 transitions. [2022-10-16 16:15:34,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:34,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:15:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:34,901 INFO L225 Difference]: With dead ends: 826 [2022-10-16 16:15:34,901 INFO L226 Difference]: Without dead ends: 558 [2022-10-16 16:15:34,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:34,915 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 198 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:34,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 640 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:34,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-10-16 16:15:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 538. [2022-10-16 16:15:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 518 states have (on average 1.5868725868725868) internal successors, (822), 537 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 822 transitions. [2022-10-16 16:15:35,006 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 822 transitions. Word has length 81 [2022-10-16 16:15:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:35,010 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 822 transitions. [2022-10-16 16:15:35,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 822 transitions. [2022-10-16 16:15:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:15:35,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:35,022 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] [2022-10-16 16:15:35,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:15:35,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:35,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1428680332, now seen corresponding path program 1 times [2022-10-16 16:15:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:35,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747620020] [2022-10-16 16:15:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:35,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:35,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:35,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747620020] [2022-10-16 16:15:35,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747620020] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:35,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:35,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:35,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421210616] [2022-10-16 16:15:35,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:35,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:35,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:35,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:35,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:35,252 INFO L87 Difference]: Start difference. First operand 538 states and 822 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:35,381 INFO L93 Difference]: Finished difference Result 1442 states and 2254 transitions. [2022-10-16 16:15:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:35,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:15:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:35,394 INFO L225 Difference]: With dead ends: 1442 [2022-10-16 16:15:35,394 INFO L226 Difference]: Without dead ends: 958 [2022-10-16 16:15:35,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:35,400 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 193 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:35,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 625 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-10-16 16:15:35,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 938. [2022-10-16 16:15:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 918 states have (on average 1.6143790849673203) internal successors, (1482), 937 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1482 transitions. [2022-10-16 16:15:35,532 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1482 transitions. Word has length 82 [2022-10-16 16:15:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:35,535 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1482 transitions. [2022-10-16 16:15:35,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1482 transitions. [2022-10-16 16:15:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:15:35,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:35,540 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] [2022-10-16 16:15:35,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:15:35,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1743135006, now seen corresponding path program 1 times [2022-10-16 16:15:35,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:35,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946652788] [2022-10-16 16:15:35,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:35,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:35,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946652788] [2022-10-16 16:15:35,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946652788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:35,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:35,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:35,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93626036] [2022-10-16 16:15:35,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:35,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:35,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:35,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:35,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:35,716 INFO L87 Difference]: Start difference. First operand 938 states and 1482 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:35,910 INFO L93 Difference]: Finished difference Result 2578 states and 4130 transitions. [2022-10-16 16:15:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:35,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:15:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:35,925 INFO L225 Difference]: With dead ends: 2578 [2022-10-16 16:15:35,925 INFO L226 Difference]: Without dead ends: 1694 [2022-10-16 16:15:35,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:35,929 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 188 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:35,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 610 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-10-16 16:15:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1674. [2022-10-16 16:15:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1654 states have (on average 1.6287787182587665) internal successors, (2694), 1673 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2694 transitions. [2022-10-16 16:15:36,131 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2694 transitions. Word has length 83 [2022-10-16 16:15:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:36,132 INFO L495 AbstractCegarLoop]: Abstraction has 1674 states and 2694 transitions. [2022-10-16 16:15:36,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2694 transitions. [2022-10-16 16:15:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:15:36,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:36,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:36,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:15:36,134 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:36,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:36,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1869015387, now seen corresponding path program 1 times [2022-10-16 16:15:36,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:36,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782175201] [2022-10-16 16:15:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:36,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:36,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782175201] [2022-10-16 16:15:36,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782175201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:36,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:36,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:36,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891473037] [2022-10-16 16:15:36,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:36,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:36,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:36,240 INFO L87 Difference]: Start difference. First operand 1674 states and 2694 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:36,609 INFO L93 Difference]: Finished difference Result 4658 states and 7558 transitions. [2022-10-16 16:15:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:36,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:15:36,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:36,628 INFO L225 Difference]: With dead ends: 4658 [2022-10-16 16:15:36,629 INFO L226 Difference]: Without dead ends: 3038 [2022-10-16 16:15:36,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:36,636 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 183 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:36,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 595 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:36,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2022-10-16 16:15:36,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 3018. [2022-10-16 16:15:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3018 states, 2998 states have (on average 1.6350900600400267) internal successors, (4902), 3017 states have internal predecessors, (4902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 3018 states and 4902 transitions. [2022-10-16 16:15:37,000 INFO L78 Accepts]: Start accepts. Automaton has 3018 states and 4902 transitions. Word has length 84 [2022-10-16 16:15:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:37,001 INFO L495 AbstractCegarLoop]: Abstraction has 3018 states and 4902 transitions. [2022-10-16 16:15:37,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 4902 transitions. [2022-10-16 16:15:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:15:37,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:37,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:37,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:15:37,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:37,004 INFO L85 PathProgramCache]: Analyzing trace with hash 354111463, now seen corresponding path program 1 times [2022-10-16 16:15:37,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:37,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356475095] [2022-10-16 16:15:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:37,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:37,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356475095] [2022-10-16 16:15:37,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356475095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:37,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:37,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:37,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153744175] [2022-10-16 16:15:37,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:37,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:37,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:37,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:37,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:37,235 INFO L87 Difference]: Start difference. First operand 3018 states and 4902 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:38,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:38,281 INFO L93 Difference]: Finished difference Result 8944 states and 14598 transitions. [2022-10-16 16:15:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:38,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:15:38,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:38,341 INFO L225 Difference]: With dead ends: 8944 [2022-10-16 16:15:38,341 INFO L226 Difference]: Without dead ends: 8942 [2022-10-16 16:15:38,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:38,380 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 654 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:38,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 739 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:38,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8942 states. [2022-10-16 16:15:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8942 to 5962. [2022-10-16 16:15:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 5942 states have (on average 1.6300908784920902) internal successors, (9686), 5961 states have internal predecessors, (9686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 9686 transitions. [2022-10-16 16:15:39,092 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 9686 transitions. Word has length 85 [2022-10-16 16:15:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:39,092 INFO L495 AbstractCegarLoop]: Abstraction has 5962 states and 9686 transitions. [2022-10-16 16:15:39,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 9686 transitions. [2022-10-16 16:15:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:15:39,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:39,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:39,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:15:39,095 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1907446247, now seen corresponding path program 1 times [2022-10-16 16:15:39,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:39,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723864392] [2022-10-16 16:15:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:39,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:39,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723864392] [2022-10-16 16:15:39,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723864392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:39,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:39,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:39,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135950586] [2022-10-16 16:15:39,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:39,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:39,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:39,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:39,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:39,236 INFO L87 Difference]: Start difference. First operand 5962 states and 9686 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:40,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:40,216 INFO L93 Difference]: Finished difference Result 8924 states and 14534 transitions. [2022-10-16 16:15:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:40,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:15:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:40,267 INFO L225 Difference]: With dead ends: 8924 [2022-10-16 16:15:40,268 INFO L226 Difference]: Without dead ends: 8922 [2022-10-16 16:15:40,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:40,273 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 649 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:40,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 431 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:40,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8922 states. [2022-10-16 16:15:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8922 to 8906. [2022-10-16 16:15:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8906 states, 8886 states have (on average 1.6212018906144496) internal successors, (14406), 8905 states have internal predecessors, (14406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8906 states to 8906 states and 14406 transitions. [2022-10-16 16:15:41,163 INFO L78 Accepts]: Start accepts. Automaton has 8906 states and 14406 transitions. Word has length 86 [2022-10-16 16:15:41,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:41,164 INFO L495 AbstractCegarLoop]: Abstraction has 8906 states and 14406 transitions. [2022-10-16 16:15:41,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8906 states and 14406 transitions. [2022-10-16 16:15:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:15:41,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:41,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:41,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:15:41,166 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:41,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:41,167 INFO L85 PathProgramCache]: Analyzing trace with hash 998708777, now seen corresponding path program 1 times [2022-10-16 16:15:41,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:41,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146667755] [2022-10-16 16:15:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:41,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:41,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146667755] [2022-10-16 16:15:41,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146667755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:41,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:41,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221251487] [2022-10-16 16:15:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:41,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:41,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:41,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:41,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:41,399 INFO L87 Difference]: Start difference. First operand 8906 states and 14406 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:42,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:42,853 INFO L93 Difference]: Finished difference Result 14842 states and 23910 transitions. [2022-10-16 16:15:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:15:42,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:15:42,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:42,903 INFO L225 Difference]: With dead ends: 14842 [2022-10-16 16:15:42,904 INFO L226 Difference]: Without dead ends: 14840 [2022-10-16 16:15:42,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:42,911 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 1105 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:42,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 1230 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:42,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14840 states. [2022-10-16 16:15:44,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14840 to 11850. [2022-10-16 16:15:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11850 states, 11830 states have (on average 1.6113271344040574) internal successors, (19062), 11849 states have internal predecessors, (19062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 19062 transitions. [2022-10-16 16:15:44,201 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 19062 transitions. Word has length 87 [2022-10-16 16:15:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:44,201 INFO L495 AbstractCegarLoop]: Abstraction has 11850 states and 19062 transitions. [2022-10-16 16:15:44,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 19062 transitions. [2022-10-16 16:15:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:15:44,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:44,205 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] [2022-10-16 16:15:44,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:15:44,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:44,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash 895201307, now seen corresponding path program 1 times [2022-10-16 16:15:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:44,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130758207] [2022-10-16 16:15:44,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:44,407 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 16:15:44,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:44,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130758207] [2022-10-16 16:15:44,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130758207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:44,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:44,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:44,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047092638] [2022-10-16 16:15:44,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:44,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:44,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:44,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:44,410 INFO L87 Difference]: Start difference. First operand 11850 states and 19062 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:45,872 INFO L93 Difference]: Finished difference Result 14826 states and 23846 transitions. [2022-10-16 16:15:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:15:45,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:15:45,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:45,921 INFO L225 Difference]: With dead ends: 14826 [2022-10-16 16:15:45,921 INFO L226 Difference]: Without dead ends: 14824 [2022-10-16 16:15:45,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:45,931 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 1134 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:45,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 754 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14824 states. [2022-10-16 16:15:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14824 to 14794. [2022-10-16 16:15:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14794 states, 14774 states have (on average 1.601055909029376) internal successors, (23654), 14793 states have internal predecessors, (23654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14794 states to 14794 states and 23654 transitions. [2022-10-16 16:15:47,023 INFO L78 Accepts]: Start accepts. Automaton has 14794 states and 23654 transitions. Word has length 88 [2022-10-16 16:15:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:47,023 INFO L495 AbstractCegarLoop]: Abstraction has 14794 states and 23654 transitions. [2022-10-16 16:15:47,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 14794 states and 23654 transitions. [2022-10-16 16:15:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:15:47,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:47,025 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] [2022-10-16 16:15:47,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:15:47,026 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:47,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1981437035, now seen corresponding path program 1 times [2022-10-16 16:15:47,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:47,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498874973] [2022-10-16 16:15:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:47,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:47,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:47,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498874973] [2022-10-16 16:15:47,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498874973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:47,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:47,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:47,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707429167] [2022-10-16 16:15:47,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:47,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:47,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:47,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:47,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:47,249 INFO L87 Difference]: Start difference. First operand 14794 states and 23654 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:49,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:49,610 INFO L93 Difference]: Finished difference Result 23680 states and 37750 transitions. [2022-10-16 16:15:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:15:49,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 16:15:49,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:49,684 INFO L225 Difference]: With dead ends: 23680 [2022-10-16 16:15:49,685 INFO L226 Difference]: Without dead ends: 23678 [2022-10-16 16:15:49,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:49,699 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 1538 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:49,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 1885 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23678 states. [2022-10-16 16:15:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23678 to 17738. [2022-10-16 16:15:51,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17738 states, 17718 states have (on average 1.590585844903488) internal successors, (28182), 17737 states have internal predecessors, (28182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17738 states to 17738 states and 28182 transitions. [2022-10-16 16:15:51,484 INFO L78 Accepts]: Start accepts. Automaton has 17738 states and 28182 transitions. Word has length 89 [2022-10-16 16:15:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:51,485 INFO L495 AbstractCegarLoop]: Abstraction has 17738 states and 28182 transitions. [2022-10-16 16:15:51,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17738 states and 28182 transitions. [2022-10-16 16:15:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:15:51,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:51,487 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] [2022-10-16 16:15:51,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:15:51,487 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1295006237, now seen corresponding path program 1 times [2022-10-16 16:15:51,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:51,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714500635] [2022-10-16 16:15:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:51,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:51,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:51,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714500635] [2022-10-16 16:15:51,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714500635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:51,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:51,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:51,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056351114] [2022-10-16 16:15:51,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:51,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:51,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:51,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:51,641 INFO L87 Difference]: Start difference. First operand 17738 states and 28182 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:53,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:53,407 INFO L93 Difference]: Finished difference Result 23670 states and 37558 transitions. [2022-10-16 16:15:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:15:53,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:15:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:53,473 INFO L225 Difference]: With dead ends: 23670 [2022-10-16 16:15:53,473 INFO L226 Difference]: Without dead ends: 23668 [2022-10-16 16:15:53,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:53,487 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 1570 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:53,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1242 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23668 states. [2022-10-16 16:15:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23668 to 23626. [2022-10-16 16:15:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23626 states, 23606 states have (on average 1.5801914767432008) internal successors, (37302), 23625 states have internal predecessors, (37302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23626 states to 23626 states and 37302 transitions. [2022-10-16 16:15:55,852 INFO L78 Accepts]: Start accepts. Automaton has 23626 states and 37302 transitions. Word has length 90 [2022-10-16 16:15:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:55,853 INFO L495 AbstractCegarLoop]: Abstraction has 23626 states and 37302 transitions. [2022-10-16 16:15:55,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 23626 states and 37302 transitions. [2022-10-16 16:15:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:15:55,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:55,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:55,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:15:55,862 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:55,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:55,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1490487981, now seen corresponding path program 1 times [2022-10-16 16:15:55,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:55,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874930560] [2022-10-16 16:15:55,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:55,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:56,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:56,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874930560] [2022-10-16 16:15:56,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874930560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:56,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:56,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:56,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801156644] [2022-10-16 16:15:56,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:56,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:56,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:56,084 INFO L87 Difference]: Start difference. First operand 23626 states and 37302 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:59,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:59,177 INFO L93 Difference]: Finished difference Result 35458 states and 55926 transitions. [2022-10-16 16:15:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:15:59,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:15:59,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:59,256 INFO L225 Difference]: With dead ends: 35458 [2022-10-16 16:15:59,256 INFO L226 Difference]: Without dead ends: 35456 [2022-10-16 16:15:59,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:59,271 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 2128 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:59,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 2568 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:59,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35456 states. [2022-10-16 16:16:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35456 to 26570. [2022-10-16 16:16:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26570 states, 26550 states have (on average 1.5706967984934086) internal successors, (41702), 26569 states have internal predecessors, (41702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26570 states to 26570 states and 41702 transitions. [2022-10-16 16:16:01,558 INFO L78 Accepts]: Start accepts. Automaton has 26570 states and 41702 transitions. Word has length 91 [2022-10-16 16:16:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:01,559 INFO L495 AbstractCegarLoop]: Abstraction has 26570 states and 41702 transitions. [2022-10-16 16:16:01,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 26570 states and 41702 transitions. [2022-10-16 16:16:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:16:01,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:01,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:01,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:16:01,561 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:16:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash -897576888, now seen corresponding path program 1 times [2022-10-16 16:16:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:01,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405764369] [2022-10-16 16:16:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:01,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:01,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:01,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405764369] [2022-10-16 16:16:01,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405764369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:01,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:01,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158123353] [2022-10-16 16:16:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:01,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:16:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:01,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:16:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:01,649 INFO L87 Difference]: Start difference. First operand 26570 states and 41702 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:05,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:05,306 INFO L93 Difference]: Finished difference Result 75570 states and 118662 transitions. [2022-10-16 16:16:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:16:05,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:16:05,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:05,384 INFO L225 Difference]: With dead ends: 75570 [2022-10-16 16:16:05,384 INFO L226 Difference]: Without dead ends: 49054 [2022-10-16 16:16:05,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:05,433 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 203 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:05,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 686 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:16:05,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49054 states. [2022-10-16 16:16:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49054 to 49034. [2022-10-16 16:16:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49034 states, 49014 states have (on average 1.5653894805565756) internal successors, (76726), 49033 states have internal predecessors, (76726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49034 states to 49034 states and 76726 transitions. [2022-10-16 16:16:09,372 INFO L78 Accepts]: Start accepts. Automaton has 49034 states and 76726 transitions. Word has length 91 [2022-10-16 16:16:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:09,372 INFO L495 AbstractCegarLoop]: Abstraction has 49034 states and 76726 transitions. [2022-10-16 16:16:09,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 49034 states and 76726 transitions. [2022-10-16 16:16:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:16:09,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:09,374 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] [2022-10-16 16:16:09,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:16:09,374 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:16:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1039512545, now seen corresponding path program 1 times [2022-10-16 16:16:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:09,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667111806] [2022-10-16 16:16:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:09,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:09,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667111806] [2022-10-16 16:16:09,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667111806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:09,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:09,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:16:09,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503571746] [2022-10-16 16:16:09,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:09,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:16:09,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:16:09,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:09,554 INFO L87 Difference]: Start difference. First operand 49034 states and 76726 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:15,321 INFO L93 Difference]: Finished difference Result 65408 states and 102070 transitions. [2022-10-16 16:16:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:16:15,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 16:16:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:15,428 INFO L225 Difference]: With dead ends: 65408 [2022-10-16 16:16:15,429 INFO L226 Difference]: Without dead ends: 65406 [2022-10-16 16:16:15,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:16:15,450 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 2140 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:15,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 1581 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:16:15,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65406 states. [2022-10-16 16:16:21,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65406 to 65354. [2022-10-16 16:16:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65354 states, 65334 states have (on average 1.5524841583249152) internal successors, (101430), 65353 states have internal predecessors, (101430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65354 states to 65354 states and 101430 transitions. [2022-10-16 16:16:21,245 INFO L78 Accepts]: Start accepts. Automaton has 65354 states and 101430 transitions. Word has length 92 [2022-10-16 16:16:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 65354 states and 101430 transitions. [2022-10-16 16:16:21,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 65354 states and 101430 transitions. [2022-10-16 16:16:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:16:21,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:21,247 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] [2022-10-16 16:16:21,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:16:21,248 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:16:21,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2134849775, now seen corresponding path program 1 times [2022-10-16 16:16:21,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:21,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991549402] [2022-10-16 16:16:21,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:21,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:21,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991549402] [2022-10-16 16:16:21,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991549402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:21,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:21,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:16:21,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485431585] [2022-10-16 16:16:21,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:21,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:16:21,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:21,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:16:21,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:16:21,467 INFO L87 Difference]: Start difference. First operand 65354 states and 101430 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:29,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:29,990 INFO L93 Difference]: Finished difference Result 157906 states and 245302 transitions. [2022-10-16 16:16:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:16:29,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:16:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:30,158 INFO L225 Difference]: With dead ends: 157906 [2022-10-16 16:16:30,158 INFO L226 Difference]: Without dead ends: 92606 [2022-10-16 16:16:30,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:16:30,216 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 2511 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:30,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 2876 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:16:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92606 states. [2022-10-16 16:16:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92606 to 70794. [2022-10-16 16:16:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70794 states, 70774 states have (on average 1.5416678441235483) internal successors, (109110), 70793 states have internal predecessors, (109110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70794 states to 70794 states and 109110 transitions. [2022-10-16 16:16:37,008 INFO L78 Accepts]: Start accepts. Automaton has 70794 states and 109110 transitions. Word has length 93 [2022-10-16 16:16:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:37,009 INFO L495 AbstractCegarLoop]: Abstraction has 70794 states and 109110 transitions. [2022-10-16 16:16:37,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 70794 states and 109110 transitions. [2022-10-16 16:16:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:16:37,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:37,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:37,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:16:37,015 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:16:37,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:37,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1755833889, now seen corresponding path program 1 times [2022-10-16 16:16:37,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:37,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880784309] [2022-10-16 16:16:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:37,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:37,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:37,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880784309] [2022-10-16 16:16:37,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880784309] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:37,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:37,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:16:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536374544] [2022-10-16 16:16:37,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:37,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:16:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:37,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:16:37,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:16:37,268 INFO L87 Difference]: Start difference. First operand 70794 states and 109110 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:49,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:49,431 INFO L93 Difference]: Finished difference Result 130740 states and 202550 transitions. [2022-10-16 16:16:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:16:49,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:16:49,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:49,684 INFO L225 Difference]: With dead ends: 130740 [2022-10-16 16:16:49,684 INFO L226 Difference]: Without dead ends: 130738 [2022-10-16 16:16:49,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:16:49,719 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 3345 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:49,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3345 Valid, 2904 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:16:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130738 states. [2022-10-16 16:17:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130738 to 130634. [2022-10-16 16:17:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130634 states, 130614 states have (on average 1.538012770453397) internal successors, (200886), 130633 states have internal predecessors, (200886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130634 states to 130634 states and 200886 transitions. [2022-10-16 16:17:02,361 INFO L78 Accepts]: Start accepts. Automaton has 130634 states and 200886 transitions. Word has length 94 [2022-10-16 16:17:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:02,362 INFO L495 AbstractCegarLoop]: Abstraction has 130634 states and 200886 transitions. [2022-10-16 16:17:02,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 130634 states and 200886 transitions. [2022-10-16 16:17:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:17:02,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:02,372 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:02,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:17:02,372 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:17:02,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:02,373 INFO L85 PathProgramCache]: Analyzing trace with hash 162321974, now seen corresponding path program 1 times [2022-10-16 16:17:02,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:02,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006562854] [2022-10-16 16:17:02,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:02,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:17:02,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:02,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006562854] [2022-10-16 16:17:02,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006562854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:02,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:02,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:02,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992573374] [2022-10-16 16:17:02,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:02,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:17:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:02,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:17:02,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:17:02,484 INFO L87 Difference]: Start difference. First operand 130634 states and 200886 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) 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 16:17:26,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:26,144 INFO L93 Difference]: Finished difference Result 383346 states and 588726 transitions. [2022-10-16 16:17:26,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:17:26,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) 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 16:17:26,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:26,774 INFO L225 Difference]: With dead ends: 383346 [2022-10-16 16:17:26,774 INFO L226 Difference]: Without dead ends: 252766 [2022-10-16 16:17:26,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:17:26,920 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 162 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:26,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 547 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:17:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252766 states.