/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:03:25,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:03:25,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:03:25,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:03:25,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:03:25,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:03:25,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:03:25,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:03:25,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:03:25,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:03:25,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:03:25,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:03:25,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:03:25,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:03:25,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:03:25,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:03:25,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:03:25,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:03:25,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:03:25,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:03:25,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:03:25,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:03:25,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:03:25,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:03:25,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:03:25,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:03:25,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:03:25,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:03:25,201 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 16:03:25,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:03:25,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:03:25,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:03:25,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:03:25,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:03:25,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:03:25,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:03:25,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:03:25,248 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:03:25,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:03:25,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:03:25,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:03:25,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:03:25,250 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:03:25,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:03:25,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:03:25,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:03:25,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:03:25,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:03:25,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:03:25,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:03:25,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:03:25,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:03:25,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:03:25,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:03:25,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:03:25,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:03:25,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:03:25,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:03:25,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:03:25,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:03:25,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:03:25,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:03:25,658 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:03:25,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 16:03:25,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00baa19b0/9d654b53af444ec086cb4e52cdbb7cc6/FLAG00c90dd5a [2022-10-16 16:03:26,384 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:03:26,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 16:03:26,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00baa19b0/9d654b53af444ec086cb4e52cdbb7cc6/FLAG00c90dd5a [2022-10-16 16:03:26,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00baa19b0/9d654b53af444ec086cb4e52cdbb7cc6 [2022-10-16 16:03:26,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:03:26,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:03:26,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:03:26,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:03:26,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:03:26,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:03:26" (1/1) ... [2022-10-16 16:03:26,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c04e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:26, skipping insertion in model container [2022-10-16 16:03:26,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:03:26" (1/1) ... [2022-10-16 16:03:26,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:03:26,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:03:27,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[7253,7266] [2022-10-16 16:03:27,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:03:27,126 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:03:27,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[7253,7266] [2022-10-16 16:03:27,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:03:27,334 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:03:27,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27 WrapperNode [2022-10-16 16:03:27,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:03:27,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:03:27,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:03:27,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:03:27,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,436 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 707 [2022-10-16 16:03:27,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:03:27,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:03:27,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:03:27,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:03:27,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:03:27,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:03:27,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:03:27,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:03:27,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (1/1) ... [2022-10-16 16:03:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:03:27,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:03:27,600 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 16:03:27,612 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 16:03:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:03:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:03:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:03:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:03:27,966 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:03:27,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:03:28,841 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:03:28,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:03:28,857 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:03:28,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:03:28 BoogieIcfgContainer [2022-10-16 16:03:28,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:03:28,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:03:28,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:03:28,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:03:28,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:03:26" (1/3) ... [2022-10-16 16:03:28,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e820cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:03:28, skipping insertion in model container [2022-10-16 16:03:28,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:03:27" (2/3) ... [2022-10-16 16:03:28,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e820cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:03:28, skipping insertion in model container [2022-10-16 16:03:28,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:03:28" (3/3) ... [2022-10-16 16:03:28,874 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 16:03:28,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:03:28,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:03:28,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:03:28,992 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;@9610937, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:03:28,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:03:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 209 states have (on average 1.7607655502392345) internal successors, (368), 241 states have internal predecessors, (368), 0 states have call successors, (0), 0 states 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 16:03:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:03:29,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:29,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:03:29,033 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 16:03:29,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:29,044 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:03:29,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:29,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071119998] [2022-10-16 16:03:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:29,343 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 16:03:29,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:29,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071119998] [2022-10-16 16:03:29,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071119998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:29,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:29,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:03:29,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950890397] [2022-10-16 16:03:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:29,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:03:29,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:03:29,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:03:29,395 INFO L87 Difference]: Start difference. First operand has 242 states, 209 states have (on average 1.7607655502392345) internal successors, (368), 241 states have internal predecessors, (368), 0 states have call successors, (0), 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 16:03:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:29,440 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2022-10-16 16:03:29,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:03:29,443 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 16:03:29,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:29,459 INFO L225 Difference]: With dead ends: 245 [2022-10-16 16:03:29,460 INFO L226 Difference]: Without dead ends: 233 [2022-10-16 16:03:29,465 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 16:03:29,470 INFO L413 NwaCegarLoop]: 361 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, 361 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 16:03:29,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:29,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-10-16 16:03:29,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-10-16 16:03:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 207 states have (on average 1.5072463768115942) internal successors, (312), 232 states have internal predecessors, (312), 0 states have call successors, (0), 0 states 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 16:03:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 312 transitions. [2022-10-16 16:03:29,545 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 312 transitions. Word has length 4 [2022-10-16 16:03:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:29,545 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 312 transitions. [2022-10-16 16:03:29,546 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 16:03:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 312 transitions. [2022-10-16 16:03:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:03:29,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:29,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:29,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:03:29,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:29,551 INFO L85 PathProgramCache]: Analyzing trace with hash 2136509701, now seen corresponding path program 1 times [2022-10-16 16:03:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:29,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951235235] [2022-10-16 16:03:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:29,991 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 16:03:29,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:29,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951235235] [2022-10-16 16:03:29,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951235235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:29,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:29,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:29,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648445868] [2022-10-16 16:03:29,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:29,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:29,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:29,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:29,997 INFO L87 Difference]: Start difference. First operand 233 states and 312 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:30,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:30,207 INFO L93 Difference]: Finished difference Result 485 states and 680 transitions. [2022-10-16 16:03:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:30,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 16:03:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:30,213 INFO L225 Difference]: With dead ends: 485 [2022-10-16 16:03:30,213 INFO L226 Difference]: Without dead ends: 482 [2022-10-16 16:03:30,214 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 16:03:30,216 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 725 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:30,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 611 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:30,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-10-16 16:03:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 346. [2022-10-16 16:03:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 321 states have (on average 1.5514018691588785) internal successors, (498), 345 states have internal predecessors, (498), 0 states have call successors, (0), 0 states 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 16:03:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 498 transitions. [2022-10-16 16:03:30,260 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 498 transitions. Word has length 51 [2022-10-16 16:03:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:30,261 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 498 transitions. [2022-10-16 16:03:30,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 498 transitions. [2022-10-16 16:03:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:03:30,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:30,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:30,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:03:30,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:30,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:30,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1807291489, now seen corresponding path program 1 times [2022-10-16 16:03:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:30,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011617188] [2022-10-16 16:03:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:03:30,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:30,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011617188] [2022-10-16 16:03:30,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011617188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:30,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:30,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:30,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268303605] [2022-10-16 16:03:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:30,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:30,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:30,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:30,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:30,414 INFO L87 Difference]: Start difference. First operand 346 states and 498 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:30,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:30,550 INFO L93 Difference]: Finished difference Result 468 states and 677 transitions. [2022-10-16 16:03:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:03:30,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 16:03:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:30,554 INFO L225 Difference]: With dead ends: 468 [2022-10-16 16:03:30,554 INFO L226 Difference]: Without dead ends: 465 [2022-10-16 16:03:30,555 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 16:03:30,557 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 732 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:30,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 450 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:30,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-10-16 16:03:30,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 453. [2022-10-16 16:03:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 429 states have (on average 1.5664335664335665) internal successors, (672), 452 states have internal predecessors, (672), 0 states have call successors, (0), 0 states 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 16:03:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 672 transitions. [2022-10-16 16:03:30,597 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 672 transitions. Word has length 52 [2022-10-16 16:03:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:30,598 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 672 transitions. [2022-10-16 16:03:30,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 672 transitions. [2022-10-16 16:03:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:03:30,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:30,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:30,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:03:30,601 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:30,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash 191461511, now seen corresponding path program 1 times [2022-10-16 16:03:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:30,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939374879] [2022-10-16 16:03:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:30,738 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 16:03:30,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:30,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939374879] [2022-10-16 16:03:30,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939374879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:30,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:30,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:30,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641450031] [2022-10-16 16:03:30,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:30,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:30,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:30,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:30,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:30,742 INFO L87 Difference]: Start difference. First operand 453 states and 672 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:30,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:30,992 INFO L93 Difference]: Finished difference Result 699 states and 1014 transitions. [2022-10-16 16:03:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:03:30,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:03:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:30,998 INFO L225 Difference]: With dead ends: 699 [2022-10-16 16:03:30,998 INFO L226 Difference]: Without dead ends: 696 [2022-10-16 16:03:30,999 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 16:03:31,001 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1285 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:31,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 813 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-10-16 16:03:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 554. [2022-10-16 16:03:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 531 states have (on average 1.5706214689265536) internal successors, (834), 553 states have internal predecessors, (834), 0 states have call successors, (0), 0 states 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 16:03:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 834 transitions. [2022-10-16 16:03:31,047 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 834 transitions. Word has length 53 [2022-10-16 16:03:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:31,048 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 834 transitions. [2022-10-16 16:03:31,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 834 transitions. [2022-10-16 16:03:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:03:31,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:31,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:31,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:03:31,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:31,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:31,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1640339747, now seen corresponding path program 1 times [2022-10-16 16:03:31,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:31,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011209957] [2022-10-16 16:03:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:31,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:31,175 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 16:03:31,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:31,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011209957] [2022-10-16 16:03:31,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011209957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:31,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:31,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897033609] [2022-10-16 16:03:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:31,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:31,179 INFO L87 Difference]: Start difference. First operand 554 states and 834 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:31,384 INFO L93 Difference]: Finished difference Result 680 states and 1001 transitions. [2022-10-16 16:03:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:03:31,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 16:03:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:31,390 INFO L225 Difference]: With dead ends: 680 [2022-10-16 16:03:31,390 INFO L226 Difference]: Without dead ends: 677 [2022-10-16 16:03:31,391 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 16:03:31,392 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1347 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:31,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 622 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:31,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-10-16 16:03:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 655. [2022-10-16 16:03:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 633 states have (on average 1.570300157977883) internal successors, (994), 654 states have internal predecessors, (994), 0 states have call successors, (0), 0 states 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 16:03:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 994 transitions. [2022-10-16 16:03:31,450 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 994 transitions. Word has length 54 [2022-10-16 16:03:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:31,451 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 994 transitions. [2022-10-16 16:03:31,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 994 transitions. [2022-10-16 16:03:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:03:31,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:31,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:31,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:03:31,453 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:31,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash -689075191, now seen corresponding path program 1 times [2022-10-16 16:03:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:31,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127156321] [2022-10-16 16:03:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:03:31,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:31,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127156321] [2022-10-16 16:03:31,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127156321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:31,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:31,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:03:31,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265089688] [2022-10-16 16:03:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:31,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:03:31,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:31,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:03:31,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:03:31,613 INFO L87 Difference]: Start difference. First operand 655 states and 994 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:31,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:31,949 INFO L93 Difference]: Finished difference Result 1488 states and 2257 transitions. [2022-10-16 16:03:31,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:03:31,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 16:03:31,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:31,958 INFO L225 Difference]: With dead ends: 1488 [2022-10-16 16:03:31,958 INFO L226 Difference]: Without dead ends: 996 [2022-10-16 16:03:31,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:03:31,969 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1995 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:31,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 955 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:03:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2022-10-16 16:03:32,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 750. [2022-10-16 16:03:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 729 states have (on average 1.5637860082304527) internal successors, (1140), 749 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states 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 16:03:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1140 transitions. [2022-10-16 16:03:32,042 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1140 transitions. Word has length 55 [2022-10-16 16:03:32,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:32,044 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1140 transitions. [2022-10-16 16:03:32,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1140 transitions. [2022-10-16 16:03:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:03:32,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:32,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:32,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:03:32,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 113505765, now seen corresponding path program 1 times [2022-10-16 16:03:32,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:32,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991538766] [2022-10-16 16:03:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:32,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:32,246 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 16:03:32,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:32,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991538766] [2022-10-16 16:03:32,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991538766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:32,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:32,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:03:32,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92893178] [2022-10-16 16:03:32,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:32,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:03:32,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:32,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:03:32,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:03:32,250 INFO L87 Difference]: Start difference. First operand 750 states and 1140 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:32,628 INFO L93 Difference]: Finished difference Result 1182 states and 1762 transitions. [2022-10-16 16:03:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:03:32,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:03:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:32,636 INFO L225 Difference]: With dead ends: 1182 [2022-10-16 16:03:32,636 INFO L226 Difference]: Without dead ends: 1179 [2022-10-16 16:03:32,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:03:32,641 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 2691 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2691 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:32,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2691 Valid, 828 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:03:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2022-10-16 16:03:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1131. [2022-10-16 16:03:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1111 states have (on average 1.5742574257425743) internal successors, (1749), 1130 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states 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 16:03:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1749 transitions. [2022-10-16 16:03:32,765 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1749 transitions. Word has length 56 [2022-10-16 16:03:32,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:32,765 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1749 transitions. [2022-10-16 16:03:32,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1749 transitions. [2022-10-16 16:03:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:03:32,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:32,767 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] [2022-10-16 16:03:32,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:03:32,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1992209386, now seen corresponding path program 1 times [2022-10-16 16:03:32,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:32,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743011638] [2022-10-16 16:03:32,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:32,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:32,851 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 16:03:32,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:32,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743011638] [2022-10-16 16:03:32,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743011638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:32,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:32,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:03:32,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947039943] [2022-10-16 16:03:32,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:32,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:32,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:32,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:32,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:32,854 INFO L87 Difference]: Start difference. First operand 1131 states and 1749 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 16:03:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:32,958 INFO L93 Difference]: Finished difference Result 1131 states and 1749 transitions. [2022-10-16 16:03:32,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:32,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 16:03:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:32,968 INFO L225 Difference]: With dead ends: 1131 [2022-10-16 16:03:32,968 INFO L226 Difference]: Without dead ends: 1129 [2022-10-16 16:03:32,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:32,971 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 41 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:32,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 526 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-10-16 16:03:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2022-10-16 16:03:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1111 states have (on average 1.5724572457245725) internal successors, (1747), 1128 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states 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 16:03:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1747 transitions. [2022-10-16 16:03:33,082 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1747 transitions. Word has length 60 [2022-10-16 16:03:33,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:33,082 INFO L495 AbstractCegarLoop]: Abstraction has 1129 states and 1747 transitions. [2022-10-16 16:03:33,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 16:03:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1747 transitions. [2022-10-16 16:03:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:03:33,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:33,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:33,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:03:33,090 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 16:03:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash -814314961, now seen corresponding path program 1 times [2022-10-16 16:03:33,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083796176] [2022-10-16 16:03:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:33,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:33,206 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 16:03:33,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:33,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083796176] [2022-10-16 16:03:33,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083796176] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:33,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:33,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:03:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870158816] [2022-10-16 16:03:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:33,210 INFO L87 Difference]: Start difference. First operand 1129 states and 1747 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:33,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:33,343 INFO L93 Difference]: Finished difference Result 1129 states and 1747 transitions. [2022-10-16 16:03:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:33,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:03:33,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:33,351 INFO L225 Difference]: With dead ends: 1129 [2022-10-16 16:03:33,351 INFO L226 Difference]: Without dead ends: 1127 [2022-10-16 16:03:33,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:33,356 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 237 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:33,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 292 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2022-10-16 16:03:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2022-10-16 16:03:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1111 states have (on average 1.5625562556255626) internal successors, (1736), 1126 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states 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 16:03:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1736 transitions. [2022-10-16 16:03:33,460 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1736 transitions. Word has length 64 [2022-10-16 16:03:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:33,460 INFO L495 AbstractCegarLoop]: Abstraction has 1127 states and 1736 transitions. [2022-10-16 16:03:33,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1736 transitions. [2022-10-16 16:03:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:03:33,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:33,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:03:33,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:03:33,463 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 16:03:33,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:33,464 INFO L85 PathProgramCache]: Analyzing trace with hash 526040216, now seen corresponding path program 1 times [2022-10-16 16:03:33,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:33,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925560049] [2022-10-16 16:03:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:33,555 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 16:03:33,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:33,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925560049] [2022-10-16 16:03:33,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925560049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:33,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:33,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:03:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100017590] [2022-10-16 16:03:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:33,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:33,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:33,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:33,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:33,558 INFO L87 Difference]: Start difference. First operand 1127 states and 1736 transitions. Second operand has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:33,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:33,662 INFO L93 Difference]: Finished difference Result 1127 states and 1736 transitions. [2022-10-16 16:03:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:33,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:03:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:33,669 INFO L225 Difference]: With dead ends: 1127 [2022-10-16 16:03:33,670 INFO L226 Difference]: Without dead ends: 1125 [2022-10-16 16:03:33,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:33,672 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:33,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 292 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:33,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-10-16 16:03:33,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1125. [2022-10-16 16:03:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1111 states have (on average 1.5526552655265526) internal successors, (1725), 1124 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states 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 16:03:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1725 transitions. [2022-10-16 16:03:33,792 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1725 transitions. Word has length 65 [2022-10-16 16:03:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:33,792 INFO L495 AbstractCegarLoop]: Abstraction has 1125 states and 1725 transitions. [2022-10-16 16:03:33,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1725 transitions. [2022-10-16 16:03:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:03:33,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:33,800 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 16:03:33,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:03:33,801 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 16:03:33,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:33,802 INFO L85 PathProgramCache]: Analyzing trace with hash -429258725, now seen corresponding path program 1 times [2022-10-16 16:03:33,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:33,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19203541] [2022-10-16 16:03:33,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:33,898 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 16:03:33,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:33,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19203541] [2022-10-16 16:03:33,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19203541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:33,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:33,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:33,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061451376] [2022-10-16 16:03:33,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:33,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:33,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:33,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:33,901 INFO L87 Difference]: Start difference. First operand 1125 states and 1725 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 16:03:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:34,145 INFO L93 Difference]: Finished difference Result 3086 states and 4768 transitions. [2022-10-16 16:03:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:34,146 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 16:03:34,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:34,161 INFO L225 Difference]: With dead ends: 3086 [2022-10-16 16:03:34,161 INFO L226 Difference]: Without dead ends: 2062 [2022-10-16 16:03:34,164 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 16:03:34,165 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 199 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:34,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 572 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:34,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2022-10-16 16:03:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2048. [2022-10-16 16:03:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 2034 states have (on average 1.5467059980334317) internal successors, (3146), 2047 states have internal predecessors, (3146), 0 states have call successors, (0), 0 states 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 16:03:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 3146 transitions. [2022-10-16 16:03:34,437 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 3146 transitions. Word has length 81 [2022-10-16 16:03:34,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:34,438 INFO L495 AbstractCegarLoop]: Abstraction has 2048 states and 3146 transitions. [2022-10-16 16:03:34,441 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 16:03:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 3146 transitions. [2022-10-16 16:03:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:03:34,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:34,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:34,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:03:34,445 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:34,446 INFO L85 PathProgramCache]: Analyzing trace with hash 6551834, now seen corresponding path program 1 times [2022-10-16 16:03:34,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:34,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18486372] [2022-10-16 16:03:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:34,555 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 16:03:34,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18486372] [2022-10-16 16:03:34,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18486372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:34,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:34,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576593067] [2022-10-16 16:03:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:34,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:34,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:34,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:34,558 INFO L87 Difference]: Start difference. First operand 2048 states and 3146 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 16:03:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:35,021 INFO L93 Difference]: Finished difference Result 5712 states and 8809 transitions. [2022-10-16 16:03:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:35,022 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 16:03:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:35,046 INFO L225 Difference]: With dead ends: 5712 [2022-10-16 16:03:35,046 INFO L226 Difference]: Without dead ends: 3793 [2022-10-16 16:03:35,050 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 16:03:35,051 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 212 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:35,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 578 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:35,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2022-10-16 16:03:35,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 3779. [2022-10-16 16:03:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3779 states, 3765 states have (on average 1.5346613545816734) internal successors, (5778), 3778 states have internal predecessors, (5778), 0 states have call successors, (0), 0 states 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 16:03:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3779 states and 5778 transitions. [2022-10-16 16:03:35,529 INFO L78 Accepts]: Start accepts. Automaton has 3779 states and 5778 transitions. Word has length 81 [2022-10-16 16:03:35,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:35,529 INFO L495 AbstractCegarLoop]: Abstraction has 3779 states and 5778 transitions. [2022-10-16 16:03:35,529 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 16:03:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 5778 transitions. [2022-10-16 16:03:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:03:35,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:35,532 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 16:03:35,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:03:35,532 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:35,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1127586043, now seen corresponding path program 1 times [2022-10-16 16:03:35,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:35,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738425953] [2022-10-16 16:03:35,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:35,657 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 16:03:35,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:35,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738425953] [2022-10-16 16:03:35,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738425953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:35,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:35,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:35,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913150167] [2022-10-16 16:03:35,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:35,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:35,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:35,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:35,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:35,661 INFO L87 Difference]: Start difference. First operand 3779 states and 5778 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:36,159 INFO L93 Difference]: Finished difference Result 4473 states and 6858 transitions. [2022-10-16 16:03:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:03:36,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:36,184 INFO L225 Difference]: With dead ends: 4473 [2022-10-16 16:03:36,185 INFO L226 Difference]: Without dead ends: 4471 [2022-10-16 16:03:36,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:36,188 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 398 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:36,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 832 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4471 states. [2022-10-16 16:03:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4471 to 4451. [2022-10-16 16:03:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 4437 states have (on average 1.5420329051160695) internal successors, (6842), 4450 states have internal predecessors, (6842), 0 states have call successors, (0), 0 states 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 16:03:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 6842 transitions. [2022-10-16 16:03:36,677 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 6842 transitions. Word has length 82 [2022-10-16 16:03:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:36,677 INFO L495 AbstractCegarLoop]: Abstraction has 4451 states and 6842 transitions. [2022-10-16 16:03:36,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 6842 transitions. [2022-10-16 16:03:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:03:36,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:36,680 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 16:03:36,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:03:36,681 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:36,681 INFO L85 PathProgramCache]: Analyzing trace with hash 853752533, now seen corresponding path program 1 times [2022-10-16 16:03:36,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:36,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799039304] [2022-10-16 16:03:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:36,799 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 16:03:36,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:36,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799039304] [2022-10-16 16:03:36,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799039304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:36,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:36,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:36,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553389030] [2022-10-16 16:03:36,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:36,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:36,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:36,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:36,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:36,802 INFO L87 Difference]: Start difference. First operand 4451 states and 6842 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:37,441 INFO L93 Difference]: Finished difference Result 5836 states and 8987 transitions. [2022-10-16 16:03:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:03:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:37,500 INFO L225 Difference]: With dead ends: 5836 [2022-10-16 16:03:37,500 INFO L226 Difference]: Without dead ends: 5834 [2022-10-16 16:03:37,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:37,503 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 382 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:37,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 844 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5834 states. [2022-10-16 16:03:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5834 to 5474. [2022-10-16 16:03:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5474 states, 5460 states have (on average 1.544871794871795) internal successors, (8435), 5473 states have internal predecessors, (8435), 0 states have call successors, (0), 0 states 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 16:03:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 8435 transitions. [2022-10-16 16:03:38,145 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 8435 transitions. Word has length 82 [2022-10-16 16:03:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:38,146 INFO L495 AbstractCegarLoop]: Abstraction has 5474 states and 8435 transitions. [2022-10-16 16:03:38,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 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 16:03:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 8435 transitions. [2022-10-16 16:03:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:03:38,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:38,148 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 16:03:38,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:03:38,149 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:38,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:38,150 INFO L85 PathProgramCache]: Analyzing trace with hash -595428675, now seen corresponding path program 1 times [2022-10-16 16:03:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:38,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605047117] [2022-10-16 16:03:38,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:38,307 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 16:03:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:38,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605047117] [2022-10-16 16:03:38,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605047117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:38,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:38,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053777931] [2022-10-16 16:03:38,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:38,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:03:38,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:38,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:03:38,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:38,310 INFO L87 Difference]: Start difference. First operand 5474 states and 8435 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:38,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:38,880 INFO L93 Difference]: Finished difference Result 5484 states and 8435 transitions. [2022-10-16 16:03:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:03:38,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:03:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:38,896 INFO L225 Difference]: With dead ends: 5484 [2022-10-16 16:03:38,896 INFO L226 Difference]: Without dead ends: 5482 [2022-10-16 16:03:38,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:03:38,903 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 394 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:38,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 694 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2022-10-16 16:03:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5472. [2022-10-16 16:03:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5472 states, 5460 states have (on average 1.539010989010989) internal successors, (8403), 5471 states have internal predecessors, (8403), 0 states have call successors, (0), 0 states 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 16:03:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5472 states to 5472 states and 8403 transitions. [2022-10-16 16:03:39,475 INFO L78 Accepts]: Start accepts. Automaton has 5472 states and 8403 transitions. Word has length 83 [2022-10-16 16:03:39,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:39,475 INFO L495 AbstractCegarLoop]: Abstraction has 5472 states and 8403 transitions. [2022-10-16 16:03:39,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5472 states and 8403 transitions. [2022-10-16 16:03:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:03:39,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:39,478 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 16:03:39,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:03:39,479 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:39,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:39,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1256252420, now seen corresponding path program 1 times [2022-10-16 16:03:39,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:39,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044665625] [2022-10-16 16:03:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:39,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:39,553 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 16:03:39,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:39,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044665625] [2022-10-16 16:03:39,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044665625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:39,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:39,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:39,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519366137] [2022-10-16 16:03:39,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:39,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:39,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:39,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:39,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:39,556 INFO L87 Difference]: Start difference. First operand 5472 states and 8403 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 16:03:40,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:40,538 INFO L93 Difference]: Finished difference Result 15302 states and 23518 transitions. [2022-10-16 16:03:40,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:40,576 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 16:03:40,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:40,605 INFO L225 Difference]: With dead ends: 15302 [2022-10-16 16:03:40,605 INFO L226 Difference]: Without dead ends: 10115 [2022-10-16 16:03:40,616 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 16:03:40,617 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 184 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:40,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 568 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:40,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2022-10-16 16:03:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 9325. [2022-10-16 16:03:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9325 states, 9313 states have (on average 1.5204552775689897) internal successors, (14160), 9324 states have internal predecessors, (14160), 0 states have call successors, (0), 0 states 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 16:03:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9325 states to 9325 states and 14160 transitions. [2022-10-16 16:03:41,654 INFO L78 Accepts]: Start accepts. Automaton has 9325 states and 14160 transitions. Word has length 83 [2022-10-16 16:03:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:41,654 INFO L495 AbstractCegarLoop]: Abstraction has 9325 states and 14160 transitions. [2022-10-16 16:03:41,655 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 16:03:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 9325 states and 14160 transitions. [2022-10-16 16:03:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:03:41,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:41,658 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 16:03:41,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:03:41,658 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:41,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1278419449, now seen corresponding path program 1 times [2022-10-16 16:03:41,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:41,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344126897] [2022-10-16 16:03:41,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:41,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:41,798 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 16:03:41,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:41,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344126897] [2022-10-16 16:03:41,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344126897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:41,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:41,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:41,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616787645] [2022-10-16 16:03:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:41,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:41,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:41,800 INFO L87 Difference]: Start difference. First operand 9325 states and 14160 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:42,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:42,739 INFO L93 Difference]: Finished difference Result 11405 states and 17296 transitions. [2022-10-16 16:03:42,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:03:42,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:42,770 INFO L225 Difference]: With dead ends: 11405 [2022-10-16 16:03:42,770 INFO L226 Difference]: Without dead ends: 11403 [2022-10-16 16:03:42,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:03:42,777 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 819 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:42,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1116 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11403 states. [2022-10-16 16:03:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11403 to 10595. [2022-10-16 16:03:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10595 states, 10583 states have (on average 1.519984881413588) internal successors, (16086), 10594 states have internal predecessors, (16086), 0 states have call successors, (0), 0 states 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 16:03:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10595 states to 10595 states and 16086 transitions. [2022-10-16 16:03:43,936 INFO L78 Accepts]: Start accepts. Automaton has 10595 states and 16086 transitions. Word has length 84 [2022-10-16 16:03:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:43,936 INFO L495 AbstractCegarLoop]: Abstraction has 10595 states and 16086 transitions. [2022-10-16 16:03:43,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10595 states and 16086 transitions. [2022-10-16 16:03:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:03:43,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:43,939 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 16:03:43,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:03:43,939 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 117439959, now seen corresponding path program 1 times [2022-10-16 16:03:43,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:43,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565993765] [2022-10-16 16:03:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:43,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:44,082 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 16:03:44,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:44,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565993765] [2022-10-16 16:03:44,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565993765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:44,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:44,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:44,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207254438] [2022-10-16 16:03:44,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:44,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:44,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:44,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:44,085 INFO L87 Difference]: Start difference. First operand 10595 states and 16086 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:45,132 INFO L93 Difference]: Finished difference Result 12029 states and 18252 transitions. [2022-10-16 16:03:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:45,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:03:45,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:45,170 INFO L225 Difference]: With dead ends: 12029 [2022-10-16 16:03:45,170 INFO L226 Difference]: Without dead ends: 12027 [2022-10-16 16:03:45,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:03:45,178 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 810 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:45,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1124 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:45,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12027 states. [2022-10-16 16:03:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12027 to 11697. [2022-10-16 16:03:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11697 states, 11685 states have (on average 1.520239623448866) internal successors, (17764), 11696 states have internal predecessors, (17764), 0 states have call successors, (0), 0 states 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 16:03:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11697 states to 11697 states and 17764 transitions. [2022-10-16 16:03:46,085 INFO L78 Accepts]: Start accepts. Automaton has 11697 states and 17764 transitions. Word has length 84 [2022-10-16 16:03:46,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:46,086 INFO L495 AbstractCegarLoop]: Abstraction has 11697 states and 17764 transitions. [2022-10-16 16:03:46,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 11697 states and 17764 transitions. [2022-10-16 16:03:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:03:46,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:46,089 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 16:03:46,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:03:46,089 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:46,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:46,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1446336635, now seen corresponding path program 1 times [2022-10-16 16:03:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:46,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708130871] [2022-10-16 16:03:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:46,231 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 16:03:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:46,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708130871] [2022-10-16 16:03:46,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708130871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:46,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:46,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:46,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182310662] [2022-10-16 16:03:46,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:46,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:46,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:46,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:46,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:46,234 INFO L87 Difference]: Start difference. First operand 11697 states and 17764 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:47,350 INFO L93 Difference]: Finished difference Result 12659 states and 19168 transitions. [2022-10-16 16:03:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:47,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:03:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:47,388 INFO L225 Difference]: With dead ends: 12659 [2022-10-16 16:03:47,388 INFO L226 Difference]: Without dead ends: 12657 [2022-10-16 16:03:47,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:03:47,395 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 804 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:47,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1137 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:47,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12657 states. [2022-10-16 16:03:48,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12657 to 12173. [2022-10-16 16:03:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12173 states, 12161 states have (on average 1.5175561220294385) internal successors, (18455), 12172 states have internal predecessors, (18455), 0 states have call successors, (0), 0 states 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 16:03:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12173 states to 12173 states and 18455 transitions. [2022-10-16 16:03:48,852 INFO L78 Accepts]: Start accepts. Automaton has 12173 states and 18455 transitions. Word has length 84 [2022-10-16 16:03:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:48,853 INFO L495 AbstractCegarLoop]: Abstraction has 12173 states and 18455 transitions. [2022-10-16 16:03:48,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12173 states and 18455 transitions. [2022-10-16 16:03:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:03:48,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:48,856 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 16:03:48,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:03:48,857 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash -976296961, now seen corresponding path program 1 times [2022-10-16 16:03:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:48,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826811920] [2022-10-16 16:03:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:49,022 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 16:03:49,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:49,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826811920] [2022-10-16 16:03:49,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826811920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:49,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:49,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029240694] [2022-10-16 16:03:49,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:49,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:49,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:49,024 INFO L87 Difference]: Start difference. First operand 12173 states and 18455 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:50,295 INFO L93 Difference]: Finished difference Result 15017 states and 22847 transitions. [2022-10-16 16:03:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:50,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:03:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:50,331 INFO L225 Difference]: With dead ends: 15017 [2022-10-16 16:03:50,331 INFO L226 Difference]: Without dead ends: 15015 [2022-10-16 16:03:50,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:03:50,339 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 838 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:50,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 838 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:50,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15015 states. [2022-10-16 16:03:51,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15015 to 14369. [2022-10-16 16:03:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14369 states, 14357 states have (on average 1.5172389775022637) internal successors, (21783), 14368 states have internal predecessors, (21783), 0 states have call successors, (0), 0 states 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 16:03:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14369 states to 14369 states and 21783 transitions. [2022-10-16 16:03:51,623 INFO L78 Accepts]: Start accepts. Automaton has 14369 states and 21783 transitions. Word has length 85 [2022-10-16 16:03:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:51,624 INFO L495 AbstractCegarLoop]: Abstraction has 14369 states and 21783 transitions. [2022-10-16 16:03:51,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 14369 states and 21783 transitions. [2022-10-16 16:03:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:03:51,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:51,626 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 16:03:51,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:03:51,627 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:51,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:51,627 INFO L85 PathProgramCache]: Analyzing trace with hash -654328273, now seen corresponding path program 1 times [2022-10-16 16:03:51,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:51,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119626610] [2022-10-16 16:03:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:51,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:51,765 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 16:03:51,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:51,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119626610] [2022-10-16 16:03:51,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119626610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:51,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:51,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:03:51,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095014261] [2022-10-16 16:03:51,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:51,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:03:51,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:51,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:03:51,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:03:51,767 INFO L87 Difference]: Start difference. First operand 14369 states and 21783 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:53,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:53,625 INFO L93 Difference]: Finished difference Result 20041 states and 30495 transitions. [2022-10-16 16:03:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:03:53,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:03:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:53,662 INFO L225 Difference]: With dead ends: 20041 [2022-10-16 16:03:53,662 INFO L226 Difference]: Without dead ends: 20039 [2022-10-16 16:03:53,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:03:53,672 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 832 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:53,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 849 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:03:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20039 states. [2022-10-16 16:03:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20039 to 16585. [2022-10-16 16:03:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16585 states, 16573 states have (on average 1.5195197007180354) internal successors, (25183), 16584 states have internal predecessors, (25183), 0 states have call successors, (0), 0 states 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 16:03:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16585 states to 16585 states and 25183 transitions. [2022-10-16 16:03:55,004 INFO L78 Accepts]: Start accepts. Automaton has 16585 states and 25183 transitions. Word has length 85 [2022-10-16 16:03:55,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:03:55,005 INFO L495 AbstractCegarLoop]: Abstraction has 16585 states and 25183 transitions. [2022-10-16 16:03:55,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:03:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 16585 states and 25183 transitions. [2022-10-16 16:03:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:03:55,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:03:55,008 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 16:03:55,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:03:55,008 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:03:55,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:03:55,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1356247551, now seen corresponding path program 1 times [2022-10-16 16:03:55,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:03:55,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887608117] [2022-10-16 16:03:55,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:03:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:03:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:03:55,084 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 16:03:55,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:03:55,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887608117] [2022-10-16 16:03:55,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887608117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:03:55,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:03:55,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:03:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901722345] [2022-10-16 16:03:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:03:55,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:03:55,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:03:55,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:03:55,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:03:55,087 INFO L87 Difference]: Start difference. First operand 16585 states and 25183 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 16:03:58,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:03:58,395 INFO L93 Difference]: Finished difference Result 46689 states and 70746 transitions. [2022-10-16 16:03:58,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:03:58,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 16:03:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:03:58,447 INFO L225 Difference]: With dead ends: 46689 [2022-10-16 16:03:58,447 INFO L226 Difference]: Without dead ends: 30697 [2022-10-16 16:03:58,479 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 16:03:58,480 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 171 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:03:58,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 568 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:03:58,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30697 states. [2022-10-16 16:04:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30697 to 28085. [2022-10-16 16:04:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28085 states, 28073 states have (on average 1.4995191108894668) internal successors, (42096), 28084 states have internal predecessors, (42096), 0 states have call successors, (0), 0 states 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 16:04:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28085 states to 28085 states and 42096 transitions. [2022-10-16 16:04:00,918 INFO L78 Accepts]: Start accepts. Automaton has 28085 states and 42096 transitions. Word has length 85 [2022-10-16 16:04:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:00,918 INFO L495 AbstractCegarLoop]: Abstraction has 28085 states and 42096 transitions. [2022-10-16 16:04:00,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 16:04:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 28085 states and 42096 transitions. [2022-10-16 16:04:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:00,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:00,923 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 16:04:00,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:04:00,923 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:00,924 INFO L85 PathProgramCache]: Analyzing trace with hash 269006805, now seen corresponding path program 1 times [2022-10-16 16:04:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:00,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353689807] [2022-10-16 16:04:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:00,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:01,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:01,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353689807] [2022-10-16 16:04:01,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353689807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:01,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:01,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:01,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142822334] [2022-10-16 16:04:01,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:01,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:01,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:01,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:01,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:01,056 INFO L87 Difference]: Start difference. First operand 28085 states and 42096 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 16:04:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:04,002 INFO L93 Difference]: Finished difference Result 36645 states and 55150 transitions. [2022-10-16 16:04:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:04,003 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 16:04:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:04,056 INFO L225 Difference]: With dead ends: 36645 [2022-10-16 16:04:04,056 INFO L226 Difference]: Without dead ends: 36643 [2022-10-16 16:04:04,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:04,065 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 346 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:04,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1010 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36643 states. [2022-10-16 16:04:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36643 to 30862. [2022-10-16 16:04:06,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30862 states, 30850 states have (on average 1.4999027552674231) internal successors, (46272), 30861 states have internal predecessors, (46272), 0 states have call successors, (0), 0 states 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 16:04:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30862 states to 30862 states and 46272 transitions. [2022-10-16 16:04:06,783 INFO L78 Accepts]: Start accepts. Automaton has 30862 states and 46272 transitions. Word has length 86 [2022-10-16 16:04:06,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:06,783 INFO L495 AbstractCegarLoop]: Abstraction has 30862 states and 46272 transitions. [2022-10-16 16:04:06,783 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 16:04:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 30862 states and 46272 transitions. [2022-10-16 16:04:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:06,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:06,788 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 16:04:06,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:04:06,788 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -200434423, now seen corresponding path program 1 times [2022-10-16 16:04:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:06,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957249697] [2022-10-16 16:04:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:06,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:07,081 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 16:04:07,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:07,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957249697] [2022-10-16 16:04:07,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957249697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:07,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:07,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:07,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496468615] [2022-10-16 16:04:07,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:07,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:07,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:07,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:07,086 INFO L87 Difference]: Start difference. First operand 30862 states and 46272 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:10,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:10,721 INFO L93 Difference]: Finished difference Result 51377 states and 76931 transitions. [2022-10-16 16:04:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:10,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:10,786 INFO L225 Difference]: With dead ends: 51377 [2022-10-16 16:04:10,786 INFO L226 Difference]: Without dead ends: 37601 [2022-10-16 16:04:10,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:10,808 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 1335 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:10,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 1420 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37601 states. [2022-10-16 16:04:13,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37601 to 33202. [2022-10-16 16:04:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33202 states, 33190 states have (on average 1.4945465501657125) internal successors, (49604), 33201 states have internal predecessors, (49604), 0 states have call successors, (0), 0 states 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 16:04:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33202 states to 33202 states and 49604 transitions. [2022-10-16 16:04:13,888 INFO L78 Accepts]: Start accepts. Automaton has 33202 states and 49604 transitions. Word has length 86 [2022-10-16 16:04:13,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:13,888 INFO L495 AbstractCegarLoop]: Abstraction has 33202 states and 49604 transitions. [2022-10-16 16:04:13,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33202 states and 49604 transitions. [2022-10-16 16:04:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:13,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:13,895 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 16:04:13,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:04:13,895 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:13,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:13,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1190660313, now seen corresponding path program 1 times [2022-10-16 16:04:13,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:13,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131927068] [2022-10-16 16:04:13,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:14,030 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 16:04:14,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:14,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131927068] [2022-10-16 16:04:14,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131927068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:14,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:14,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:14,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027709072] [2022-10-16 16:04:14,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:14,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:14,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:14,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:14,032 INFO L87 Difference]: Start difference. First operand 33202 states and 49604 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:17,811 INFO L93 Difference]: Finished difference Result 61906 states and 92849 transitions. [2022-10-16 16:04:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:17,865 INFO L225 Difference]: With dead ends: 61906 [2022-10-16 16:04:17,865 INFO L226 Difference]: Without dead ends: 38168 [2022-10-16 16:04:17,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:17,894 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 1330 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:17,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 1217 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:17,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38168 states. [2022-10-16 16:04:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38168 to 35112. [2022-10-16 16:04:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35112 states, 35100 states have (on average 1.4912820512820513) internal successors, (52344), 35111 states have internal predecessors, (52344), 0 states have call successors, (0), 0 states 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 16:04:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35112 states to 35112 states and 52344 transitions. [2022-10-16 16:04:21,198 INFO L78 Accepts]: Start accepts. Automaton has 35112 states and 52344 transitions. Word has length 86 [2022-10-16 16:04:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:21,198 INFO L495 AbstractCegarLoop]: Abstraction has 35112 states and 52344 transitions. [2022-10-16 16:04:21,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35112 states and 52344 transitions. [2022-10-16 16:04:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:21,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:21,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:21,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:04:21,203 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:21,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -223000297, now seen corresponding path program 1 times [2022-10-16 16:04:21,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:21,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235797788] [2022-10-16 16:04:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:21,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:21,359 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 16:04:21,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:21,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235797788] [2022-10-16 16:04:21,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235797788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:21,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:21,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:21,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422386899] [2022-10-16 16:04:21,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:21,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:21,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:21,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:21,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:21,367 INFO L87 Difference]: Start difference. First operand 35112 states and 52344 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:25,379 INFO L93 Difference]: Finished difference Result 66883 states and 100077 transitions. [2022-10-16 16:04:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:04:25,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:25,431 INFO L225 Difference]: With dead ends: 66883 [2022-10-16 16:04:25,431 INFO L226 Difference]: Without dead ends: 38309 [2022-10-16 16:04:25,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:25,457 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 1312 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:25,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 1338 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38309 states. [2022-10-16 16:04:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38309 to 35474. [2022-10-16 16:04:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35474 states, 35462 states have (on average 1.4893125035249) internal successors, (52814), 35473 states have internal predecessors, (52814), 0 states have call successors, (0), 0 states 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 16:04:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35474 states to 35474 states and 52814 transitions. [2022-10-16 16:04:28,759 INFO L78 Accepts]: Start accepts. Automaton has 35474 states and 52814 transitions. Word has length 86 [2022-10-16 16:04:28,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:28,759 INFO L495 AbstractCegarLoop]: Abstraction has 35474 states and 52814 transitions. [2022-10-16 16:04:28,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 35474 states and 52814 transitions. [2022-10-16 16:04:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:28,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:28,764 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 16:04:28,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:04:28,764 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:28,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1639907079, now seen corresponding path program 1 times [2022-10-16 16:04:28,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:28,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327196469] [2022-10-16 16:04:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:28,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:28,906 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 16:04:28,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:28,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327196469] [2022-10-16 16:04:28,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327196469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:28,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:28,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:28,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856181732] [2022-10-16 16:04:28,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:28,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:28,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:28,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:28,909 INFO L87 Difference]: Start difference. First operand 35474 states and 52814 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:33,029 INFO L93 Difference]: Finished difference Result 64385 states and 96329 transitions. [2022-10-16 16:04:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:33,085 INFO L225 Difference]: With dead ends: 64385 [2022-10-16 16:04:33,085 INFO L226 Difference]: Without dead ends: 40647 [2022-10-16 16:04:33,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:33,114 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 1209 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:33,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1531 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40647 states. [2022-10-16 16:04:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40647 to 37668. [2022-10-16 16:04:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37668 states, 37656 states have (on average 1.485818992989165) internal successors, (55950), 37667 states have internal predecessors, (55950), 0 states have call successors, (0), 0 states 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 16:04:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37668 states to 37668 states and 55950 transitions. [2022-10-16 16:04:36,503 INFO L78 Accepts]: Start accepts. Automaton has 37668 states and 55950 transitions. Word has length 86 [2022-10-16 16:04:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:36,503 INFO L495 AbstractCegarLoop]: Abstraction has 37668 states and 55950 transitions. [2022-10-16 16:04:36,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 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 16:04:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 37668 states and 55950 transitions. [2022-10-16 16:04:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:04:36,508 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:36,508 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 16:04:36,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:04:36,508 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:36,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1918499519, now seen corresponding path program 1 times [2022-10-16 16:04:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:36,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445724839] [2022-10-16 16:04:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:36,645 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 16:04:36,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:36,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445724839] [2022-10-16 16:04:36,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445724839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:36,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:36,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:36,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179938036] [2022-10-16 16:04:36,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:36,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:36,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:36,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:36,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:36,648 INFO L87 Difference]: Start difference. First operand 37668 states and 55950 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:42,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:42,500 INFO L93 Difference]: Finished difference Result 59649 states and 88923 transitions. [2022-10-16 16:04:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:42,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:42,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:42,590 INFO L225 Difference]: With dead ends: 59649 [2022-10-16 16:04:42,590 INFO L226 Difference]: Without dead ends: 59647 [2022-10-16 16:04:42,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:42,606 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 1266 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:42,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 1119 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59647 states. [2022-10-16 16:04:47,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59647 to 44155. [2022-10-16 16:04:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44155 states, 44143 states have (on average 1.4943026074349275) internal successors, (65963), 44154 states have internal predecessors, (65963), 0 states have call successors, (0), 0 states 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 16:04:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44155 states to 44155 states and 65963 transitions. [2022-10-16 16:04:47,121 INFO L78 Accepts]: Start accepts. Automaton has 44155 states and 65963 transitions. Word has length 87 [2022-10-16 16:04:47,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:47,121 INFO L495 AbstractCegarLoop]: Abstraction has 44155 states and 65963 transitions. [2022-10-16 16:04:47,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 44155 states and 65963 transitions. [2022-10-16 16:04:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:04:47,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:47,125 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 16:04:47,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:04:47,125 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:47,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:47,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1744235663, now seen corresponding path program 1 times [2022-10-16 16:04:47,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:47,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98711425] [2022-10-16 16:04:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:47,262 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 16:04:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:47,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98711425] [2022-10-16 16:04:47,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98711425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:47,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:47,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:47,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377760199] [2022-10-16 16:04:47,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:47,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:47,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:47,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:47,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:47,265 INFO L87 Difference]: Start difference. First operand 44155 states and 65963 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:53,720 INFO L93 Difference]: Finished difference Result 61427 states and 91699 transitions. [2022-10-16 16:04:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:53,812 INFO L225 Difference]: With dead ends: 61427 [2022-10-16 16:04:53,812 INFO L226 Difference]: Without dead ends: 61425 [2022-10-16 16:04:53,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:04:53,828 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 1261 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:53,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 1125 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61425 states. [2022-10-16 16:04:58,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61425 to 46516. [2022-10-16 16:04:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46516 states, 46504 states have (on average 1.4983012214003097) internal successors, (69677), 46515 states have internal predecessors, (69677), 0 states have call successors, (0), 0 states 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 16:04:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46516 states to 46516 states and 69677 transitions. [2022-10-16 16:04:58,846 INFO L78 Accepts]: Start accepts. Automaton has 46516 states and 69677 transitions. Word has length 87 [2022-10-16 16:04:58,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:58,847 INFO L495 AbstractCegarLoop]: Abstraction has 46516 states and 69677 transitions. [2022-10-16 16:04:58,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:04:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46516 states and 69677 transitions. [2022-10-16 16:04:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:04:58,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:58,852 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 16:04:58,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:04:58,852 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:04:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash -702487805, now seen corresponding path program 1 times [2022-10-16 16:04:58,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:58,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535268172] [2022-10-16 16:04:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:59,005 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 16:04:59,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:59,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535268172] [2022-10-16 16:04:59,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535268172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:59,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:59,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:59,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215729561] [2022-10-16 16:04:59,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:59,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:59,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:59,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:59,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:59,007 INFO L87 Difference]: Start difference. First operand 46516 states and 69677 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:05:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:06,582 INFO L93 Difference]: Finished difference Result 62372 states and 93211 transitions. [2022-10-16 16:05:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:06,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:05:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:06,699 INFO L225 Difference]: With dead ends: 62372 [2022-10-16 16:05:06,699 INFO L226 Difference]: Without dead ends: 62370 [2022-10-16 16:05:06,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:06,715 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 1263 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:06,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1121 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62370 states. [2022-10-16 16:05:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62370 to 48448. [2022-10-16 16:05:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48448 states, 48436 states have (on average 1.5011974564373607) internal successors, (72712), 48447 states have internal predecessors, (72712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48448 states to 48448 states and 72712 transitions. [2022-10-16 16:05:12,119 INFO L78 Accepts]: Start accepts. Automaton has 48448 states and 72712 transitions. Word has length 87 [2022-10-16 16:05:12,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:12,119 INFO L495 AbstractCegarLoop]: Abstraction has 48448 states and 72712 transitions. [2022-10-16 16:05:12,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:05:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 48448 states and 72712 transitions. [2022-10-16 16:05:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:12,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:12,122 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 16:05:12,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:05:12,123 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:05:12,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:12,123 INFO L85 PathProgramCache]: Analyzing trace with hash 817511127, now seen corresponding path program 1 times [2022-10-16 16:05:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:12,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54306041] [2022-10-16 16:05:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:12,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:12,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54306041] [2022-10-16 16:05:12,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54306041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:12,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:12,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162057521] [2022-10-16 16:05:12,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:12,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:12,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:12,259 INFO L87 Difference]: Start difference. First operand 48448 states and 72712 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 16:05:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:18,017 INFO L93 Difference]: Finished difference Result 56214 states and 84485 transitions. [2022-10-16 16:05:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:18,017 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 16:05:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:18,100 INFO L225 Difference]: With dead ends: 56214 [2022-10-16 16:05:18,101 INFO L226 Difference]: Without dead ends: 56212 [2022-10-16 16:05:18,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:18,116 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 550 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:18,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1407 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56212 states. [2022-10-16 16:05:23,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56212 to 54312. [2022-10-16 16:05:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54312 states, 54300 states have (on average 1.5026151012891344) internal successors, (81592), 54311 states have internal predecessors, (81592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54312 states to 54312 states and 81592 transitions. [2022-10-16 16:05:23,977 INFO L78 Accepts]: Start accepts. Automaton has 54312 states and 81592 transitions. Word has length 88 [2022-10-16 16:05:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:23,977 INFO L495 AbstractCegarLoop]: Abstraction has 54312 states and 81592 transitions. [2022-10-16 16:05:23,977 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 16:05:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54312 states and 81592 transitions. [2022-10-16 16:05:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:23,981 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:23,981 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 16:05:23,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:05:23,981 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:05:23,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1373122439, now seen corresponding path program 1 times [2022-10-16 16:05:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:23,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666379719] [2022-10-16 16:05:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:24,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:24,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666379719] [2022-10-16 16:05:24,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666379719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:24,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:24,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:24,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908392563] [2022-10-16 16:05:24,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:24,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:24,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:24,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:24,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:24,118 INFO L87 Difference]: Start difference. First operand 54312 states and 81592 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 16:05:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:31,073 INFO L93 Difference]: Finished difference Result 65605 states and 98427 transitions. [2022-10-16 16:05:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:31,073 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 16:05:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:31,168 INFO L225 Difference]: With dead ends: 65605 [2022-10-16 16:05:31,169 INFO L226 Difference]: Without dead ends: 65603 [2022-10-16 16:05:31,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:31,184 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 535 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:31,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1400 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65603 states. [2022-10-16 16:05:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65603 to 62253. [2022-10-16 16:05:37,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62253 states, 62241 states have (on average 1.5007952957054032) internal successors, (93411), 62252 states have internal predecessors, (93411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62253 states to 62253 states and 93411 transitions. [2022-10-16 16:05:37,933 INFO L78 Accepts]: Start accepts. Automaton has 62253 states and 93411 transitions. Word has length 88 [2022-10-16 16:05:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:37,934 INFO L495 AbstractCegarLoop]: Abstraction has 62253 states and 93411 transitions. [2022-10-16 16:05:37,934 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 16:05:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 62253 states and 93411 transitions. [2022-10-16 16:05:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:37,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:37,937 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 16:05:37,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:05:37,938 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:05:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:37,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1609431371, now seen corresponding path program 1 times [2022-10-16 16:05:37,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:37,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194110163] [2022-10-16 16:05:37,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:38,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:38,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194110163] [2022-10-16 16:05:38,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194110163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:38,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:38,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:38,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160891138] [2022-10-16 16:05:38,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:38,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:38,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:38,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:38,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:38,066 INFO L87 Difference]: Start difference. First operand 62253 states and 93411 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 16:05:46,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:46,123 INFO L93 Difference]: Finished difference Result 71248 states and 106739 transitions. [2022-10-16 16:05:46,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:46,123 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 16:05:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:46,241 INFO L225 Difference]: With dead ends: 71248 [2022-10-16 16:05:46,241 INFO L226 Difference]: Without dead ends: 71246 [2022-10-16 16:05:46,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:46,261 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 529 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:46,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1134 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71246 states. [2022-10-16 16:05:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71246 to 67469. [2022-10-16 16:05:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67469 states, 67457 states have (on average 1.4991624293994692) internal successors, (101129), 67468 states have internal predecessors, (101129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67469 states to 67469 states and 101129 transitions. [2022-10-16 16:05:53,934 INFO L78 Accepts]: Start accepts. Automaton has 67469 states and 101129 transitions. Word has length 88 [2022-10-16 16:05:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:53,934 INFO L495 AbstractCegarLoop]: Abstraction has 67469 states and 101129 transitions. [2022-10-16 16:05:53,934 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 16:05:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67469 states and 101129 transitions. [2022-10-16 16:05:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:53,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:53,937 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 16:05:53,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:05:53,937 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:05:53,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:53,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1026037422, now seen corresponding path program 1 times [2022-10-16 16:05:53,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:53,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859347085] [2022-10-16 16:05:53,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:53,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:54,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859347085] [2022-10-16 16:05:54,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859347085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:54,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:54,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:05:54,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412249238] [2022-10-16 16:05:54,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:54,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:54,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:54,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:54,001 INFO L87 Difference]: Start difference. First operand 67469 states and 101129 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:01,166 INFO L93 Difference]: Finished difference Result 67469 states and 101129 transitions. [2022-10-16 16:06:01,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:06:01,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:06:01,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:01,256 INFO L225 Difference]: With dead ends: 67469 [2022-10-16 16:06:01,256 INFO L226 Difference]: Without dead ends: 67468 [2022-10-16 16:06:01,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:06:01,271 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 235 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:01,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 318 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:06:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67468 states. [2022-10-16 16:06:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67468 to 67468. [2022-10-16 16:06:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67468 states, 67457 states have (on average 1.485761299790978) internal successors, (100225), 67467 states have internal predecessors, (100225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67468 states to 67468 states and 100225 transitions. [2022-10-16 16:06:09,311 INFO L78 Accepts]: Start accepts. Automaton has 67468 states and 100225 transitions. Word has length 88 [2022-10-16 16:06:09,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:09,311 INFO L495 AbstractCegarLoop]: Abstraction has 67468 states and 100225 transitions. [2022-10-16 16:06:09,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 67468 states and 100225 transitions. [2022-10-16 16:06:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:06:09,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:09,314 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 16:06:09,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:06:09,315 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:06:09,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:09,315 INFO L85 PathProgramCache]: Analyzing trace with hash -426958545, now seen corresponding path program 1 times [2022-10-16 16:06:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:09,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052918567] [2022-10-16 16:06:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:09,628 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 16:06:09,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052918567] [2022-10-16 16:06:09,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052918567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:09,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:09,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:09,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807429394] [2022-10-16 16:06:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:09,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:09,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:09,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:09,630 INFO L87 Difference]: Start difference. First operand 67468 states and 100225 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 16:06:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:17,904 INFO L93 Difference]: Finished difference Result 71536 states and 106084 transitions. [2022-10-16 16:06:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:06:17,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 16:06:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:18,012 INFO L225 Difference]: With dead ends: 71536 [2022-10-16 16:06:18,013 INFO L226 Difference]: Without dead ends: 71534 [2022-10-16 16:06:18,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:18,025 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 568 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:18,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1224 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:18,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71534 states. [2022-10-16 16:06:25,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71534 to 56520. [2022-10-16 16:06:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56520 states, 56509 states have (on average 1.481233077916792) internal successors, (83703), 56519 states have internal predecessors, (83703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56520 states to 56520 states and 83703 transitions. [2022-10-16 16:06:25,161 INFO L78 Accepts]: Start accepts. Automaton has 56520 states and 83703 transitions. Word has length 89 [2022-10-16 16:06:25,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:25,161 INFO L495 AbstractCegarLoop]: Abstraction has 56520 states and 83703 transitions. [2022-10-16 16:06:25,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 16:06:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 56520 states and 83703 transitions. [2022-10-16 16:06:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:06:25,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:25,165 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, 1, 1] [2022-10-16 16:06:25,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:06:25,165 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:06:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1742389325, now seen corresponding path program 1 times [2022-10-16 16:06:25,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:25,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029194189] [2022-10-16 16:06:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:25,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:25,258 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 16:06:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:25,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029194189] [2022-10-16 16:06:25,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029194189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:25,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:25,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:06:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446254127] [2022-10-16 16:06:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:25,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:06:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:06:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:06:25,261 INFO L87 Difference]: Start difference. First operand 56520 states and 83703 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 16:06:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:32,232 INFO L93 Difference]: Finished difference Result 56520 states and 83703 transitions. [2022-10-16 16:06:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:06:32,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 16:06:32,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:32,328 INFO L225 Difference]: With dead ends: 56520 [2022-10-16 16:06:32,328 INFO L226 Difference]: Without dead ends: 55584 [2022-10-16 16:06:32,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:06:32,345 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 207 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:32,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 600 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:06:32,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55584 states.