/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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:37:29,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:37:29,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:37:29,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:37:29,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:37:29,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:37:29,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:37:29,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:37:29,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:37:29,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:37:29,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:37:29,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:37:29,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:37:29,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:37:29,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:37:29,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:37:29,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:37:29,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:37:29,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:37:29,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:37:29,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:37:29,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:37:29,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:37:29,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:37:29,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:37:30,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:37:30,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:37:30,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:37:30,005 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 16:37:30,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:37:30,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:37:30,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:37:30,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:37:30,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:37:30,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:37:30,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:37:30,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:37:30,036 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:37:30,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:37:30,037 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:37:30,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:37:30,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:37:30,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:37:30,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:37:30,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:37:30,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:37:30,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:37:30,038 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:37:30,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:37:30,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:37:30,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:37:30,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:37:30,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:37:30,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:37:30,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:37:30,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:37:30,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:37:30,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:37:30,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:37:30,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:37:30,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:37:30,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:37:30,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:37:30,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:37:30,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:37:30,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:37:30,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:37:30,474 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:37:30,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:37:30,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5d7396d/ae917877a7ef400db8ce1c2e3506dbb4/FLAG59d090721 [2022-10-16 16:37:31,214 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:37:31,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:37:31,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5d7396d/ae917877a7ef400db8ce1c2e3506dbb4/FLAG59d090721 [2022-10-16 16:37:31,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5d7396d/ae917877a7ef400db8ce1c2e3506dbb4 [2022-10-16 16:37:31,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:37:31,487 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:37:31,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:37:31,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:37:31,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:37:31,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:37:31" (1/1) ... [2022-10-16 16:37:31,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f55b05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:31, skipping insertion in model container [2022-10-16 16:37:31,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:37:31" (1/1) ... [2022-10-16 16:37:31,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:37:31,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:37:31,992 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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-16 16:37:32,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:37:32,159 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:37:32,282 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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-16 16:37:32,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:37:32,400 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:37:32,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32 WrapperNode [2022-10-16 16:37:32,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:37:32,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:37:32,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:37:32,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:37:32,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,525 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 892 [2022-10-16 16:37:32,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:37:32,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:37:32,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:37:32,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:37:32,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:37:32,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:37:32,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:37:32,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:37:32,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (1/1) ... [2022-10-16 16:37:32,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:37:32,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:37:32,638 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 16:37:32,662 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 16:37:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:37:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:37:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:37:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:37:32,905 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:37:32,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:37:34,085 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:37:34,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:37:34,108 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:37:34,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:37:34 BoogieIcfgContainer [2022-10-16 16:37:34,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:37:34,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:37:34,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:37:34,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:37:34,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:37:31" (1/3) ... [2022-10-16 16:37:34,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e468f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:37:34, skipping insertion in model container [2022-10-16 16:37:34,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:37:32" (2/3) ... [2022-10-16 16:37:34,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e468f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:37:34, skipping insertion in model container [2022-10-16 16:37:34,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:37:34" (3/3) ... [2022-10-16 16:37:34,125 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:37:34,152 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:37:34,152 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-16 16:37:34,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:37:34,270 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;@18cf228d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:37:34,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-16 16:37:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 261 states have (on average 1.8237547892720307) internal successors, (476), 325 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:37:34,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:34,292 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] [2022-10-16 16:37:34,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:34,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:34,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1881416424, now seen corresponding path program 1 times [2022-10-16 16:37:34,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:34,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246892033] [2022-10-16 16:37:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:34,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:35,159 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 16:37:35,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:35,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246892033] [2022-10-16 16:37:35,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246892033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:35,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:35,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293354177] [2022-10-16 16:37:35,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:35,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:35,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:35,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:35,208 INFO L87 Difference]: Start difference. First operand has 326 states, 261 states have (on average 1.8237547892720307) internal successors, (476), 325 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:35,710 INFO L93 Difference]: Finished difference Result 683 states and 971 transitions. [2022-10-16 16:37:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:35,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 16:37:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:35,734 INFO L225 Difference]: With dead ends: 683 [2022-10-16 16:37:35,734 INFO L226 Difference]: Without dead ends: 662 [2022-10-16 16:37:35,738 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 16:37:35,743 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 1070 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:35,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 697 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-10-16 16:37:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 459. [2022-10-16 16:37:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 401 states have (on average 1.5660847880299251) internal successors, (628), 458 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 628 transitions. [2022-10-16 16:37:35,834 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 628 transitions. Word has length 75 [2022-10-16 16:37:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:35,836 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 628 transitions. [2022-10-16 16:37:35,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 628 transitions. [2022-10-16 16:37:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:37:35,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:35,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:35,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:37:35,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:35,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1805632720, now seen corresponding path program 1 times [2022-10-16 16:37:35,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:35,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738646108] [2022-10-16 16:37:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:36,120 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 16:37:36,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:36,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738646108] [2022-10-16 16:37:36,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738646108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:36,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:36,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:36,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762462856] [2022-10-16 16:37:36,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:36,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:36,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:36,126 INFO L87 Difference]: Start difference. First operand 459 states and 628 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:36,436 INFO L93 Difference]: Finished difference Result 629 states and 861 transitions. [2022-10-16 16:37:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:36,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:37:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:36,443 INFO L225 Difference]: With dead ends: 629 [2022-10-16 16:37:36,444 INFO L226 Difference]: Without dead ends: 624 [2022-10-16 16:37:36,451 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 16:37:36,453 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 921 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:36,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 431 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:37:36,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-10-16 16:37:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 594. [2022-10-16 16:37:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 538 states have (on average 1.5855018587360594) internal successors, (853), 593 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 853 transitions. [2022-10-16 16:37:36,520 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 853 transitions. Word has length 76 [2022-10-16 16:37:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:36,524 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 853 transitions. [2022-10-16 16:37:36,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 853 transitions. [2022-10-16 16:37:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:37:36,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:36,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:36,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:37:36,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:36,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash -140039190, now seen corresponding path program 1 times [2022-10-16 16:37:36,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:36,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739326590] [2022-10-16 16:37:36,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:36,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:36,800 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 16:37:36,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:36,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739326590] [2022-10-16 16:37:36,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739326590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:36,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:36,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:36,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583087219] [2022-10-16 16:37:36,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:36,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:36,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:36,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:36,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:36,805 INFO L87 Difference]: Start difference. First operand 594 states and 853 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:37,281 INFO L93 Difference]: Finished difference Result 953 states and 1302 transitions. [2022-10-16 16:37:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:37:37,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:37:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:37,287 INFO L225 Difference]: With dead ends: 953 [2022-10-16 16:37:37,287 INFO L226 Difference]: Without dead ends: 948 [2022-10-16 16:37:37,288 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 16:37:37,290 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1469 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:37,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 906 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-10-16 16:37:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 724. [2022-10-16 16:37:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 670 states have (on average 1.5925373134328358) internal successors, (1067), 723 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1067 transitions. [2022-10-16 16:37:37,336 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1067 transitions. Word has length 77 [2022-10-16 16:37:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:37,336 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 1067 transitions. [2022-10-16 16:37:37,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1067 transitions. [2022-10-16 16:37:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:37:37,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:37,338 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] [2022-10-16 16:37:37,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:37:37,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:37,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash -46247310, now seen corresponding path program 1 times [2022-10-16 16:37:37,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:37,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554305009] [2022-10-16 16:37:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:37,518 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 16:37:37,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:37,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554305009] [2022-10-16 16:37:37,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554305009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:37,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:37,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:37,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942029850] [2022-10-16 16:37:37,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:37,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:37,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:37,526 INFO L87 Difference]: Start difference. First operand 724 states and 1067 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:37,923 INFO L93 Difference]: Finished difference Result 916 states and 1289 transitions. [2022-10-16 16:37:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:37,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:37:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:37,930 INFO L225 Difference]: With dead ends: 916 [2022-10-16 16:37:37,930 INFO L226 Difference]: Without dead ends: 911 [2022-10-16 16:37:37,931 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 16:37:37,933 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1707 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:37,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 597 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2022-10-16 16:37:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 854. [2022-10-16 16:37:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 802 states have (on average 1.5935162094763091) internal successors, (1278), 853 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1278 transitions. [2022-10-16 16:37:38,000 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1278 transitions. Word has length 78 [2022-10-16 16:37:38,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:38,001 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1278 transitions. [2022-10-16 16:37:38,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1278 transitions. [2022-10-16 16:37:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:37:38,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:38,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:38,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:37:38,003 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1433666324, now seen corresponding path program 1 times [2022-10-16 16:37:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:38,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813453655] [2022-10-16 16:37:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:38,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:38,172 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 16:37:38,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:38,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813453655] [2022-10-16 16:37:38,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813453655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:38,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:38,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:38,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087384374] [2022-10-16 16:37:38,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:38,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:38,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:38,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:38,176 INFO L87 Difference]: Start difference. First operand 854 states and 1278 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:38,803 INFO L93 Difference]: Finished difference Result 1355 states and 1932 transitions. [2022-10-16 16:37:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:37:38,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:37:38,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:38,812 INFO L225 Difference]: With dead ends: 1355 [2022-10-16 16:37:38,812 INFO L226 Difference]: Without dead ends: 1350 [2022-10-16 16:37:38,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:38,815 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 2133 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:38,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 1263 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:38,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-10-16 16:37:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 979. [2022-10-16 16:37:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 929 states have (on average 1.5909580193756727) internal successors, (1478), 978 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1478 transitions. [2022-10-16 16:37:38,894 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1478 transitions. Word has length 79 [2022-10-16 16:37:38,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:38,894 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1478 transitions. [2022-10-16 16:37:38,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1478 transitions. [2022-10-16 16:37:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:37:38,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:38,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:38,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:37:38,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:38,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1493982796, now seen corresponding path program 1 times [2022-10-16 16:37:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:38,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987687653] [2022-10-16 16:37:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:39,068 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 16:37:39,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:39,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987687653] [2022-10-16 16:37:39,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987687653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:39,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:39,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:39,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558936885] [2022-10-16 16:37:39,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:39,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:39,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:39,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:39,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:39,071 INFO L87 Difference]: Start difference. First operand 979 states and 1478 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:39,652 INFO L93 Difference]: Finished difference Result 1317 states and 1897 transitions. [2022-10-16 16:37:39,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:37:39,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:37:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:39,661 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 16:37:39,661 INFO L226 Difference]: Without dead ends: 1312 [2022-10-16 16:37:39,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:39,663 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 2232 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:39,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 906 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:39,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2022-10-16 16:37:39,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1231. [2022-10-16 16:37:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1183 states have (on average 1.5917159763313609) internal successors, (1883), 1230 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1883 transitions. [2022-10-16 16:37:39,755 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1883 transitions. Word has length 80 [2022-10-16 16:37:39,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:39,755 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1883 transitions. [2022-10-16 16:37:39,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1883 transitions. [2022-10-16 16:37:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:37:39,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:39,757 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 16:37:39,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:37:39,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:39,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash 931173870, now seen corresponding path program 1 times [2022-10-16 16:37:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:39,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118251219] [2022-10-16 16:37:39,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:39,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:39,952 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 16:37:39,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:39,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118251219] [2022-10-16 16:37:39,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118251219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:39,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:39,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:39,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920679243] [2022-10-16 16:37:39,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:39,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:39,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:39,955 INFO L87 Difference]: Start difference. First operand 1231 states and 1883 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 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 16:37:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:40,787 INFO L93 Difference]: Finished difference Result 1863 states and 2731 transitions. [2022-10-16 16:37:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:37:40,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 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 16:37:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:40,798 INFO L225 Difference]: With dead ends: 1863 [2022-10-16 16:37:40,799 INFO L226 Difference]: Without dead ends: 1858 [2022-10-16 16:37:40,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:37:40,802 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 2976 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2976 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:40,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2976 Valid, 1571 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:37:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-10-16 16:37:40,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1351. [2022-10-16 16:37:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1305 states have (on average 1.58544061302682) internal successors, (2069), 1350 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2069 transitions. [2022-10-16 16:37:40,900 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2069 transitions. Word has length 81 [2022-10-16 16:37:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:40,900 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2069 transitions. [2022-10-16 16:37:40,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 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 16:37:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2069 transitions. [2022-10-16 16:37:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:37:40,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:40,902 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 16:37:40,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:37:40,902 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:40,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1198380810, now seen corresponding path program 1 times [2022-10-16 16:37:40,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:40,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104806258] [2022-10-16 16:37:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:41,087 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 16:37:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:41,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104806258] [2022-10-16 16:37:41,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104806258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:41,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:41,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:41,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683883942] [2022-10-16 16:37:41,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:41,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:41,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:41,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:41,090 INFO L87 Difference]: Start difference. First operand 1351 states and 2069 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 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 16:37:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:41,891 INFO L93 Difference]: Finished difference Result 1822 states and 2660 transitions. [2022-10-16 16:37:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:37:41,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 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 16:37:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:41,901 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 16:37:41,902 INFO L226 Difference]: Without dead ends: 1817 [2022-10-16 16:37:41,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:37:41,904 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 2869 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:41,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 1261 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2022-10-16 16:37:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1715. [2022-10-16 16:37:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1671 states have (on average 1.5816876122082586) internal successors, (2643), 1714 states have internal predecessors, (2643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2643 transitions. [2022-10-16 16:37:42,033 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2643 transitions. Word has length 82 [2022-10-16 16:37:42,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:42,034 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2643 transitions. [2022-10-16 16:37:42,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 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 16:37:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2643 transitions. [2022-10-16 16:37:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:37:42,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:42,035 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 16:37:42,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:37:42,036 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:42,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:42,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1504900848, now seen corresponding path program 1 times [2022-10-16 16:37:42,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923177922] [2022-10-16 16:37:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:42,244 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 16:37:42,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:42,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923177922] [2022-10-16 16:37:42,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923177922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:42,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:42,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:37:42,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588955793] [2022-10-16 16:37:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:42,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:37:42,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:42,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:37:42,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:42,247 INFO L87 Difference]: Start difference. First operand 1715 states and 2643 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 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 16:37:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:43,317 INFO L93 Difference]: Finished difference Result 2467 states and 3674 transitions. [2022-10-16 16:37:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:37:43,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 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 16:37:43,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:43,337 INFO L225 Difference]: With dead ends: 2467 [2022-10-16 16:37:43,337 INFO L226 Difference]: Without dead ends: 2462 [2022-10-16 16:37:43,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:37:43,343 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 3398 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:43,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3398 Valid, 1995 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:37:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2022-10-16 16:37:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 1830. [2022-10-16 16:37:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1788 states have (on average 1.5743847874720358) internal successors, (2815), 1829 states have internal predecessors, (2815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2815 transitions. [2022-10-16 16:37:43,492 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2815 transitions. Word has length 83 [2022-10-16 16:37:43,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:43,493 INFO L495 AbstractCegarLoop]: Abstraction has 1830 states and 2815 transitions. [2022-10-16 16:37:43,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 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 16:37:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2815 transitions. [2022-10-16 16:37:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:37:43,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:43,494 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 16:37:43,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:37:43,495 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:43,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:43,495 INFO L85 PathProgramCache]: Analyzing trace with hash -592713672, now seen corresponding path program 1 times [2022-10-16 16:37:43,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:43,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57087543] [2022-10-16 16:37:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:43,715 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 16:37:43,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:43,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57087543] [2022-10-16 16:37:43,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57087543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:43,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:43,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:37:43,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714354797] [2022-10-16 16:37:43,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:43,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:37:43,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:37:43,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:43,718 INFO L87 Difference]: Start difference. First operand 1830 states and 2815 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 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 16:37:44,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:44,816 INFO L93 Difference]: Finished difference Result 2421 states and 3553 transitions. [2022-10-16 16:37:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:37:44,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 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 16:37:44,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:44,830 INFO L225 Difference]: With dead ends: 2421 [2022-10-16 16:37:44,830 INFO L226 Difference]: Without dead ends: 2416 [2022-10-16 16:37:44,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:37:44,833 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 3678 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:44,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 1568 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:37:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2022-10-16 16:37:45,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2296. [2022-10-16 16:37:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2256 states have (on average 1.56604609929078) internal successors, (3533), 2295 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3533 transitions. [2022-10-16 16:37:45,021 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3533 transitions. Word has length 84 [2022-10-16 16:37:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:45,022 INFO L495 AbstractCegarLoop]: Abstraction has 2296 states and 3533 transitions. [2022-10-16 16:37:45,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 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 16:37:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3533 transitions. [2022-10-16 16:37:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:37:45,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:45,023 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 16:37:45,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:37:45,024 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:45,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:45,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1194254350, now seen corresponding path program 1 times [2022-10-16 16:37:45,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:45,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317070908] [2022-10-16 16:37:45,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:45,253 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 16:37:45,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:45,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317070908] [2022-10-16 16:37:45,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317070908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:45,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:45,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:37:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464896514] [2022-10-16 16:37:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:45,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:37:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:37:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:45,256 INFO L87 Difference]: Start difference. First operand 2296 states and 3533 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 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 16:37:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:47,580 INFO L93 Difference]: Finished difference Result 7707 states and 11818 transitions. [2022-10-16 16:37:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 16:37:47,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 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 16:37:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:47,612 INFO L225 Difference]: With dead ends: 7707 [2022-10-16 16:37:47,612 INFO L226 Difference]: Without dead ends: 5697 [2022-10-16 16:37:47,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:37:47,626 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 3949 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 2059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:47,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 3884 Invalid, 2059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:37:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2022-10-16 16:37:48,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 4266. [2022-10-16 16:37:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4266 states, 4228 states have (on average 1.5588930936613057) internal successors, (6591), 4265 states have internal predecessors, (6591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 4266 states and 6591 transitions. [2022-10-16 16:37:48,069 INFO L78 Accepts]: Start accepts. Automaton has 4266 states and 6591 transitions. Word has length 85 [2022-10-16 16:37:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:48,070 INFO L495 AbstractCegarLoop]: Abstraction has 4266 states and 6591 transitions. [2022-10-16 16:37:48,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 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 16:37:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4266 states and 6591 transitions. [2022-10-16 16:37:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:37:48,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:48,078 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 16:37:48,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:37:48,079 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:48,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:48,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1632821114, now seen corresponding path program 1 times [2022-10-16 16:37:48,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:48,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066308260] [2022-10-16 16:37:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:48,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:48,400 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 16:37:48,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:48,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066308260] [2022-10-16 16:37:48,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066308260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:48,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:48,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:37:48,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475131572] [2022-10-16 16:37:48,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:48,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:37:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:48,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:37:48,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:48,403 INFO L87 Difference]: Start difference. First operand 4266 states and 6591 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 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 16:37:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:50,895 INFO L93 Difference]: Finished difference Result 6365 states and 9566 transitions. [2022-10-16 16:37:50,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:37:50,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 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 16:37:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:50,928 INFO L225 Difference]: With dead ends: 6365 [2022-10-16 16:37:50,928 INFO L226 Difference]: Without dead ends: 6360 [2022-10-16 16:37:50,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 16:37:50,932 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 4659 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4659 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:50,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4659 Valid, 2392 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:37:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6360 states. [2022-10-16 16:37:51,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6360 to 6120. [2022-10-16 16:37:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6120 states, 6084 states have (on average 1.5552268244575937) internal successors, (9462), 6119 states have internal predecessors, (9462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 9462 transitions. [2022-10-16 16:37:51,515 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 9462 transitions. Word has length 86 [2022-10-16 16:37:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:51,515 INFO L495 AbstractCegarLoop]: Abstraction has 6120 states and 9462 transitions. [2022-10-16 16:37:51,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 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 16:37:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 9462 transitions. [2022-10-16 16:37:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:37:51,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:51,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:51,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:37:51,518 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:51,519 INFO L85 PathProgramCache]: Analyzing trace with hash 875188955, now seen corresponding path program 1 times [2022-10-16 16:37:51,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:51,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865213712] [2022-10-16 16:37:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:51,699 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 16:37:51,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:51,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865213712] [2022-10-16 16:37:51,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865213712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:51,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:51,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:51,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670539217] [2022-10-16 16:37:51,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:51,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:51,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:51,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:51,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:51,702 INFO L87 Difference]: Start difference. First operand 6120 states and 9462 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:52,655 INFO L93 Difference]: Finished difference Result 7975 states and 12357 transitions. [2022-10-16 16:37:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:52,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-16 16:37:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:52,677 INFO L225 Difference]: With dead ends: 7975 [2022-10-16 16:37:52,677 INFO L226 Difference]: Without dead ends: 7972 [2022-10-16 16:37:52,681 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 16:37:52,682 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 451 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:52,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 744 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2022-10-16 16:37:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 6489. [2022-10-16 16:37:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6489 states, 6453 states have (on average 1.559894622656129) internal successors, (10066), 6488 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6489 states to 6489 states and 10066 transitions. [2022-10-16 16:37:53,306 INFO L78 Accepts]: Start accepts. Automaton has 6489 states and 10066 transitions. Word has length 132 [2022-10-16 16:37:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:53,307 INFO L495 AbstractCegarLoop]: Abstraction has 6489 states and 10066 transitions. [2022-10-16 16:37:53,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6489 states and 10066 transitions. [2022-10-16 16:37:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:37:53,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:53,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:53,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:37:53,310 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:53,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:53,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1006777475, now seen corresponding path program 1 times [2022-10-16 16:37:53,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:53,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036007887] [2022-10-16 16:37:53,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:53,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:53,511 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 16:37:53,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:53,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036007887] [2022-10-16 16:37:53,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036007887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:53,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:53,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:53,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075262328] [2022-10-16 16:37:53,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:53,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:53,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:53,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:53,515 INFO L87 Difference]: Start difference. First operand 6489 states and 10066 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:54,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:54,312 INFO L93 Difference]: Finished difference Result 8326 states and 12901 transitions. [2022-10-16 16:37:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:54,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-16 16:37:54,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:54,335 INFO L225 Difference]: With dead ends: 8326 [2022-10-16 16:37:54,336 INFO L226 Difference]: Without dead ends: 8323 [2022-10-16 16:37:54,338 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 16:37:54,339 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 468 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:54,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 974 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:37:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8323 states. [2022-10-16 16:37:54,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8323 to 8263. [2022-10-16 16:37:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 8227 states have (on average 1.5670353713382763) internal successors, (12892), 8262 states have internal predecessors, (12892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 12892 transitions. [2022-10-16 16:37:55,006 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 12892 transitions. Word has length 132 [2022-10-16 16:37:55,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:55,006 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 12892 transitions. [2022-10-16 16:37:55,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 12892 transitions. [2022-10-16 16:37:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:37:55,009 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:55,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:55,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:37:55,010 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:55,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:55,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1145331090, now seen corresponding path program 1 times [2022-10-16 16:37:55,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:55,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511763967] [2022-10-16 16:37:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:55,178 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 16:37:55,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:55,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511763967] [2022-10-16 16:37:55,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511763967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:55,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:55,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:55,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392951927] [2022-10-16 16:37:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:55,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:55,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:55,181 INFO L87 Difference]: Start difference. First operand 8263 states and 12892 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:55,946 INFO L93 Difference]: Finished difference Result 8293 states and 12892 transitions. [2022-10-16 16:37:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:55,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-16 16:37:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:55,970 INFO L225 Difference]: With dead ends: 8293 [2022-10-16 16:37:55,971 INFO L226 Difference]: Without dead ends: 8290 [2022-10-16 16:37:55,974 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 16:37:56,013 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 467 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:56,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 684 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:37:56,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8290 states. [2022-10-16 16:37:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8290 to 8260. [2022-10-16 16:37:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8227 states have (on average 1.564847453506746) internal successors, (12874), 8259 states have internal predecessors, (12874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 12874 transitions. [2022-10-16 16:37:56,728 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 12874 transitions. Word has length 133 [2022-10-16 16:37:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:56,729 INFO L495 AbstractCegarLoop]: Abstraction has 8260 states and 12874 transitions. [2022-10-16 16:37:56,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 12874 transitions. [2022-10-16 16:37:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:37:56,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:56,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:37:56,732 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash -756990275, now seen corresponding path program 1 times [2022-10-16 16:37:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:56,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286556438] [2022-10-16 16:37:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:56,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:56,925 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 16:37:56,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:56,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286556438] [2022-10-16 16:37:56,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286556438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:56,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:56,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055109204] [2022-10-16 16:37:56,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:56,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:56,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:56,930 INFO L87 Difference]: Start difference. First operand 8260 states and 12874 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:57,881 INFO L93 Difference]: Finished difference Result 8689 states and 13445 transitions. [2022-10-16 16:37:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:37:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:57,898 INFO L225 Difference]: With dead ends: 8689 [2022-10-16 16:37:57,899 INFO L226 Difference]: Without dead ends: 8686 [2022-10-16 16:37:57,902 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 16:37:57,903 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1251 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:57,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 899 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:57,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2022-10-16 16:37:58,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 8608. [2022-10-16 16:37:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5668804664723033) internal successors, (13436), 8607 states have internal predecessors, (13436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13436 transitions. [2022-10-16 16:37:58,874 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13436 transitions. Word has length 134 [2022-10-16 16:37:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:58,874 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13436 transitions. [2022-10-16 16:37:58,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13436 transitions. [2022-10-16 16:37:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:37:58,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:58,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:58,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:37:58,878 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:58,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:58,878 INFO L85 PathProgramCache]: Analyzing trace with hash -263817391, now seen corresponding path program 1 times [2022-10-16 16:37:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:58,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534516124] [2022-10-16 16:37:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:58,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:59,085 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 16:37:59,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:59,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534516124] [2022-10-16 16:37:59,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534516124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:59,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:59,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:59,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286402701] [2022-10-16 16:37:59,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:59,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:59,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:59,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:59,090 INFO L87 Difference]: Start difference. First operand 8608 states and 13436 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:59,987 INFO L93 Difference]: Finished difference Result 8686 states and 13436 transitions. [2022-10-16 16:37:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:37:59,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:00,001 INFO L225 Difference]: With dead ends: 8686 [2022-10-16 16:38:00,001 INFO L226 Difference]: Without dead ends: 8683 [2022-10-16 16:38:00,004 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 16:38:00,005 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 876 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:00,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1095 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:00,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8683 states. [2022-10-16 16:38:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8683 to 8608. [2022-10-16 16:38:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5626822157434401) internal successors, (13400), 8607 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13400 transitions. [2022-10-16 16:38:00,849 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13400 transitions. Word has length 134 [2022-10-16 16:38:00,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:00,849 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13400 transitions. [2022-10-16 16:38:00,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13400 transitions. [2022-10-16 16:38:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:38:00,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:00,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:00,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:38:00,853 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:00,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash -632505468, now seen corresponding path program 1 times [2022-10-16 16:38:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:00,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528338388] [2022-10-16 16:38:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:01,061 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 16:38:01,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:01,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528338388] [2022-10-16 16:38:01,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528338388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:01,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:01,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:38:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976598115] [2022-10-16 16:38:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:01,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:38:01,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:38:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:38:01,064 INFO L87 Difference]: Start difference. First operand 8608 states and 13400 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:01,839 INFO L93 Difference]: Finished difference Result 9019 states and 13980 transitions. [2022-10-16 16:38:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:38:01,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:38:01,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:01,860 INFO L225 Difference]: With dead ends: 9019 [2022-10-16 16:38:01,860 INFO L226 Difference]: Without dead ends: 9016 [2022-10-16 16:38:01,865 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 16:38:01,868 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 439 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:01,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1352 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:38:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2022-10-16 16:38:02,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 8608. [2022-10-16 16:38:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5574344023323614) internal successors, (13355), 8607 states have internal predecessors, (13355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13355 transitions. [2022-10-16 16:38:02,650 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13355 transitions. Word has length 134 [2022-10-16 16:38:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:02,650 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13355 transitions. [2022-10-16 16:38:02,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13355 transitions. [2022-10-16 16:38:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:38:02,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:02,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:02,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:38:02,655 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1145525861, now seen corresponding path program 1 times [2022-10-16 16:38:02,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:02,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289375939] [2022-10-16 16:38:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:02,876 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 16:38:02,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:02,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289375939] [2022-10-16 16:38:02,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289375939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:02,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:02,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368879674] [2022-10-16 16:38:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:02,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:02,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:02,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:02,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:02,878 INFO L87 Difference]: Start difference. First operand 8608 states and 13355 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:03,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:03,894 INFO L93 Difference]: Finished difference Result 9401 states and 14522 transitions. [2022-10-16 16:38:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:03,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:38:03,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:03,904 INFO L225 Difference]: With dead ends: 9401 [2022-10-16 16:38:03,904 INFO L226 Difference]: Without dead ends: 9398 [2022-10-16 16:38:03,906 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 16:38:03,907 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1010 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:03,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1274 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2022-10-16 16:38:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 8972. [2022-10-16 16:38:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 8939 states have (on average 1.5596822910840138) internal successors, (13942), 8971 states have internal predecessors, (13942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 13942 transitions. [2022-10-16 16:38:04,506 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 13942 transitions. Word has length 134 [2022-10-16 16:38:04,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:04,507 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 13942 transitions. [2022-10-16 16:38:04,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 13942 transitions. [2022-10-16 16:38:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:38:04,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:04,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:04,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:38:04,511 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:04,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:04,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1991861604, now seen corresponding path program 1 times [2022-10-16 16:38:04,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:04,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977176151] [2022-10-16 16:38:04,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:04,694 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 16:38:04,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:04,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977176151] [2022-10-16 16:38:04,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977176151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:04,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:04,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:04,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079208881] [2022-10-16 16:38:04,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:04,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:04,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:04,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:04,696 INFO L87 Difference]: Start difference. First operand 8972 states and 13942 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:05,678 INFO L93 Difference]: Finished difference Result 11471 states and 17858 transitions. [2022-10-16 16:38:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:05,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-16 16:38:05,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:05,693 INFO L225 Difference]: With dead ends: 11471 [2022-10-16 16:38:05,693 INFO L226 Difference]: Without dead ends: 11468 [2022-10-16 16:38:05,697 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 16:38:05,698 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1155 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:05,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 742 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:38:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11468 states. [2022-10-16 16:38:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11468 to 10016. [2022-10-16 16:38:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 9983 states have (on average 1.5663628167885406) internal successors, (15637), 10015 states have internal predecessors, (15637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 15637 transitions. [2022-10-16 16:38:06,399 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 15637 transitions. Word has length 135 [2022-10-16 16:38:06,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:06,400 INFO L495 AbstractCegarLoop]: Abstraction has 10016 states and 15637 transitions. [2022-10-16 16:38:06,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 15637 transitions. [2022-10-16 16:38:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:38:06,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:06,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:06,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:38:06,402 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:06,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1151563764, now seen corresponding path program 1 times [2022-10-16 16:38:06,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:06,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621129313] [2022-10-16 16:38:06,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:06,697 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 16:38:06,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:06,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621129313] [2022-10-16 16:38:06,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621129313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:06,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:06,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:06,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839440299] [2022-10-16 16:38:06,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:06,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:06,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:06,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:06,700 INFO L87 Difference]: Start difference. First operand 10016 states and 15637 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:07,648 INFO L93 Difference]: Finished difference Result 11474 states and 17939 transitions. [2022-10-16 16:38:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:07,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-16 16:38:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:07,663 INFO L225 Difference]: With dead ends: 11474 [2022-10-16 16:38:07,663 INFO L226 Difference]: Without dead ends: 11471 [2022-10-16 16:38:07,666 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 16:38:07,667 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 905 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:07,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 1046 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:07,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2022-10-16 16:38:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 11408. [2022-10-16 16:38:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11408 states, 11375 states have (on average 1.5730989010989012) internal successors, (17894), 11407 states have internal predecessors, (17894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11408 states to 11408 states and 17894 transitions. [2022-10-16 16:38:08,622 INFO L78 Accepts]: Start accepts. Automaton has 11408 states and 17894 transitions. Word has length 135 [2022-10-16 16:38:08,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:08,623 INFO L495 AbstractCegarLoop]: Abstraction has 11408 states and 17894 transitions. [2022-10-16 16:38:08,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 11408 states and 17894 transitions. [2022-10-16 16:38:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:08,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:08,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:08,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:38:08,626 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:08,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:08,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1618167137, now seen corresponding path program 1 times [2022-10-16 16:38:08,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:08,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687773679] [2022-10-16 16:38:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:08,849 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 16:38:08,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:08,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687773679] [2022-10-16 16:38:08,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687773679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:08,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:08,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:08,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539144862] [2022-10-16 16:38:08,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:08,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:08,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:08,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:08,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:08,852 INFO L87 Difference]: Start difference. First operand 11408 states and 17894 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:09,949 INFO L93 Difference]: Finished difference Result 11857 states and 18464 transitions. [2022-10-16 16:38:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:09,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:09,968 INFO L225 Difference]: With dead ends: 11857 [2022-10-16 16:38:09,968 INFO L226 Difference]: Without dead ends: 11854 [2022-10-16 16:38:09,973 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 16:38:09,974 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1942 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:09,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 1077 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:09,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11854 states. [2022-10-16 16:38:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11854 to 11767. [2022-10-16 16:38:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.572779955684336) internal successors, (18455), 11766 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 16:38:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18455 transitions. [2022-10-16 16:38:10,862 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18455 transitions. Word has length 136 [2022-10-16 16:38:10,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:10,863 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18455 transitions. [2022-10-16 16:38:10,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18455 transitions. [2022-10-16 16:38:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:10,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:10,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:10,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:38:10,865 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -416117742, now seen corresponding path program 1 times [2022-10-16 16:38:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:10,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761675095] [2022-10-16 16:38:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:11,052 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 16:38:11,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:11,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761675095] [2022-10-16 16:38:11,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761675095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:11,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:11,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:11,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240111611] [2022-10-16 16:38:11,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:11,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:11,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:11,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:11,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:11,054 INFO L87 Difference]: Start difference. First operand 11767 states and 18455 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:12,111 INFO L93 Difference]: Finished difference Result 12193 states and 19017 transitions. [2022-10-16 16:38:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:12,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:12,125 INFO L225 Difference]: With dead ends: 12193 [2022-10-16 16:38:12,125 INFO L226 Difference]: Without dead ends: 12190 [2022-10-16 16:38:12,127 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 16:38:12,128 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 779 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:12,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1043 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:12,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12190 states. [2022-10-16 16:38:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12190 to 11767. [2022-10-16 16:38:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.5697119481847623) internal successors, (18419), 11766 states have internal predecessors, (18419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18419 transitions. [2022-10-16 16:38:12,863 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18419 transitions. Word has length 136 [2022-10-16 16:38:12,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:12,863 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18419 transitions. [2022-10-16 16:38:12,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18419 transitions. [2022-10-16 16:38:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:12,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:12,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:12,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:38:12,865 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:12,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:12,866 INFO L85 PathProgramCache]: Analyzing trace with hash -473361485, now seen corresponding path program 1 times [2022-10-16 16:38:12,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:12,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011134345] [2022-10-16 16:38:12,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:13,056 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 16:38:13,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:13,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011134345] [2022-10-16 16:38:13,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011134345] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:13,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:13,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:13,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256721549] [2022-10-16 16:38:13,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:13,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:13,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:13,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:13,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:13,058 INFO L87 Difference]: Start difference. First operand 11767 states and 18419 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:14,305 INFO L93 Difference]: Finished difference Result 11854 states and 18419 transitions. [2022-10-16 16:38:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:14,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:14,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:14,319 INFO L225 Difference]: With dead ends: 11854 [2022-10-16 16:38:14,319 INFO L226 Difference]: Without dead ends: 11851 [2022-10-16 16:38:14,322 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 16:38:14,323 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 1396 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:14,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 1394 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11851 states. [2022-10-16 16:38:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11851 to 11767. [2022-10-16 16:38:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.5674109425600817) internal successors, (18392), 11766 states have internal predecessors, (18392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18392 transitions. [2022-10-16 16:38:15,052 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18392 transitions. Word has length 136 [2022-10-16 16:38:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:15,052 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18392 transitions. [2022-10-16 16:38:15,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18392 transitions. [2022-10-16 16:38:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:15,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:15,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:15,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:38:15,054 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:15,055 INFO L85 PathProgramCache]: Analyzing trace with hash -125428173, now seen corresponding path program 1 times [2022-10-16 16:38:15,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:15,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121574315] [2022-10-16 16:38:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:15,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:15,295 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 16:38:15,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:15,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121574315] [2022-10-16 16:38:15,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121574315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:15,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:15,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:15,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817441396] [2022-10-16 16:38:15,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:15,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:15,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:15,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:15,299 INFO L87 Difference]: Start difference. First operand 11767 states and 18392 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:16,458 INFO L93 Difference]: Finished difference Result 12205 states and 18945 transitions. [2022-10-16 16:38:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:16,474 INFO L225 Difference]: With dead ends: 12205 [2022-10-16 16:38:16,474 INFO L226 Difference]: Without dead ends: 12202 [2022-10-16 16:38:16,478 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 16:38:16,479 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 1387 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 1506 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:16,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12202 states. [2022-10-16 16:38:17,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12202 to 12115. [2022-10-16 16:38:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12115 states, 12082 states have (on average 1.567290183744413) internal successors, (18936), 12114 states have internal predecessors, (18936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12115 states to 12115 states and 18936 transitions. [2022-10-16 16:38:17,324 INFO L78 Accepts]: Start accepts. Automaton has 12115 states and 18936 transitions. Word has length 136 [2022-10-16 16:38:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:17,325 INFO L495 AbstractCegarLoop]: Abstraction has 12115 states and 18936 transitions. [2022-10-16 16:38:17,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 12115 states and 18936 transitions. [2022-10-16 16:38:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:17,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:17,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:17,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:38:17,328 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:17,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:17,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2047615270, now seen corresponding path program 1 times [2022-10-16 16:38:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:17,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034809429] [2022-10-16 16:38:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:17,505 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 16:38:17,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:17,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034809429] [2022-10-16 16:38:17,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034809429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:17,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:17,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:17,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493189912] [2022-10-16 16:38:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:17,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:17,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:17,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:17,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:17,509 INFO L87 Difference]: Start difference. First operand 12115 states and 18936 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:18,658 INFO L93 Difference]: Finished difference Result 13594 states and 21211 transitions. [2022-10-16 16:38:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:18,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:18,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:18,677 INFO L225 Difference]: With dead ends: 13594 [2022-10-16 16:38:18,677 INFO L226 Difference]: Without dead ends: 13591 [2022-10-16 16:38:18,683 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 16:38:18,683 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 687 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:18,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 1418 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:18,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13591 states. [2022-10-16 16:38:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13591 to 13507. [2022-10-16 16:38:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13507 states, 13474 states have (on average 1.5728811043491169) internal successors, (21193), 13506 states have internal predecessors, (21193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13507 states to 13507 states and 21193 transitions. [2022-10-16 16:38:19,589 INFO L78 Accepts]: Start accepts. Automaton has 13507 states and 21193 transitions. Word has length 136 [2022-10-16 16:38:19,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:19,589 INFO L495 AbstractCegarLoop]: Abstraction has 13507 states and 21193 transitions. [2022-10-16 16:38:19,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13507 states and 21193 transitions. [2022-10-16 16:38:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:19,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:19,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:19,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:38:19,592 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1338738759, now seen corresponding path program 1 times [2022-10-16 16:38:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:19,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755219414] [2022-10-16 16:38:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:19,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:19,780 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 16:38:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:19,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755219414] [2022-10-16 16:38:19,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755219414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:19,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:19,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:19,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660893177] [2022-10-16 16:38:19,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:19,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:19,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:19,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:19,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:19,782 INFO L87 Difference]: Start difference. First operand 13507 states and 21193 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:21,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:21,267 INFO L93 Difference]: Finished difference Result 14652 states and 22887 transitions. [2022-10-16 16:38:21,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:21,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:21,284 INFO L225 Difference]: With dead ends: 14652 [2022-10-16 16:38:21,284 INFO L226 Difference]: Without dead ends: 14649 [2022-10-16 16:38:21,288 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 16:38:21,289 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1711 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:21,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 1570 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14649 states. [2022-10-16 16:38:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14649 to 13866. [2022-10-16 16:38:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13866 states, 13833 states have (on average 1.5726162076194607) internal successors, (21754), 13865 states have internal predecessors, (21754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13866 states to 13866 states and 21754 transitions. [2022-10-16 16:38:22,254 INFO L78 Accepts]: Start accepts. Automaton has 13866 states and 21754 transitions. Word has length 136 [2022-10-16 16:38:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:22,254 INFO L495 AbstractCegarLoop]: Abstraction has 13866 states and 21754 transitions. [2022-10-16 16:38:22,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 13866 states and 21754 transitions. [2022-10-16 16:38:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:38:22,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:22,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:22,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:38:22,257 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:22,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:22,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1754179142, now seen corresponding path program 1 times [2022-10-16 16:38:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:22,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381061807] [2022-10-16 16:38:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:22,431 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 16:38:22,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:22,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381061807] [2022-10-16 16:38:22,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381061807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:22,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:22,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:22,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197615648] [2022-10-16 16:38:22,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:22,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:22,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:22,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:22,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:22,433 INFO L87 Difference]: Start difference. First operand 13866 states and 21754 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:23,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:23,572 INFO L93 Difference]: Finished difference Result 14988 states and 23440 transitions. [2022-10-16 16:38:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:23,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:38:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:23,592 INFO L225 Difference]: With dead ends: 14988 [2022-10-16 16:38:23,592 INFO L226 Difference]: Without dead ends: 14985 [2022-10-16 16:38:23,598 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 16:38:23,598 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 663 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:23,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1279 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14985 states. [2022-10-16 16:38:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14985 to 14910. [2022-10-16 16:38:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14910 states, 14877 states have (on average 1.574376554412852) internal successors, (23422), 14909 states have internal predecessors, (23422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14910 states to 14910 states and 23422 transitions. [2022-10-16 16:38:24,584 INFO L78 Accepts]: Start accepts. Automaton has 14910 states and 23422 transitions. Word has length 136 [2022-10-16 16:38:24,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:24,585 INFO L495 AbstractCegarLoop]: Abstraction has 14910 states and 23422 transitions. [2022-10-16 16:38:24,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 14910 states and 23422 transitions. [2022-10-16 16:38:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:38:24,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:24,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:24,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:38:24,587 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:24,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1376426750, now seen corresponding path program 1 times [2022-10-16 16:38:24,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:24,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915142165] [2022-10-16 16:38:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:24,780 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 16:38:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:24,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915142165] [2022-10-16 16:38:24,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915142165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:24,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:24,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986642530] [2022-10-16 16:38:24,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:24,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:24,783 INFO L87 Difference]: Start difference. First operand 14910 states and 23422 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:26,424 INFO L93 Difference]: Finished difference Result 18842 states and 29630 transitions. [2022-10-16 16:38:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:26,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:38:26,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:26,445 INFO L225 Difference]: With dead ends: 18842 [2022-10-16 16:38:26,445 INFO L226 Difference]: Without dead ends: 18839 [2022-10-16 16:38:26,449 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 16:38:26,450 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 2021 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:26,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 909 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18839 states. [2022-10-16 16:38:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18839 to 18749. [2022-10-16 16:38:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18749 states, 18716 states have (on average 1.580733062620218) internal successors, (29585), 18748 states have internal predecessors, (29585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18749 states to 18749 states and 29585 transitions. [2022-10-16 16:38:27,712 INFO L78 Accepts]: Start accepts. Automaton has 18749 states and 29585 transitions. Word has length 137 [2022-10-16 16:38:27,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:27,713 INFO L495 AbstractCegarLoop]: Abstraction has 18749 states and 29585 transitions. [2022-10-16 16:38:27,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 18749 states and 29585 transitions. [2022-10-16 16:38:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:38:27,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:27,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:27,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:38:27,715 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:27,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash 406694378, now seen corresponding path program 1 times [2022-10-16 16:38:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:27,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527031567] [2022-10-16 16:38:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:27,901 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 16:38:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:27,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527031567] [2022-10-16 16:38:27,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527031567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:27,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:27,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114932931] [2022-10-16 16:38:27,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:27,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:27,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:27,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:27,903 INFO L87 Difference]: Start difference. First operand 18749 states and 29585 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:30,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:30,032 INFO L93 Difference]: Finished difference Result 23719 states and 37281 transitions. [2022-10-16 16:38:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:30,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:38:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:30,062 INFO L225 Difference]: With dead ends: 23719 [2022-10-16 16:38:30,062 INFO L226 Difference]: Without dead ends: 23716 [2022-10-16 16:38:30,067 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 16:38:30,073 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 1550 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:30,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 1196 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:30,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23716 states. [2022-10-16 16:38:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23716 to 21544. [2022-10-16 16:38:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21544 states, 21511 states have (on average 1.5809585793315049) internal successors, (34008), 21543 states have internal predecessors, (34008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21544 states to 21544 states and 34008 transitions. [2022-10-16 16:38:31,691 INFO L78 Accepts]: Start accepts. Automaton has 21544 states and 34008 transitions. Word has length 137 [2022-10-16 16:38:31,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:31,691 INFO L495 AbstractCegarLoop]: Abstraction has 21544 states and 34008 transitions. [2022-10-16 16:38:31,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 21544 states and 34008 transitions. [2022-10-16 16:38:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:38:31,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:31,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:31,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:38:31,695 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:31,695 INFO L85 PathProgramCache]: Analyzing trace with hash -948435629, now seen corresponding path program 1 times [2022-10-16 16:38:31,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:31,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230088240] [2022-10-16 16:38:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:31,926 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 16:38:31,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:31,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230088240] [2022-10-16 16:38:31,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230088240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:31,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:31,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:38:31,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804914722] [2022-10-16 16:38:31,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:31,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:38:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:38:31,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:38:31,931 INFO L87 Difference]: Start difference. First operand 21544 states and 34008 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:33,762 INFO L93 Difference]: Finished difference Result 21601 states and 34008 transitions. [2022-10-16 16:38:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:38:33,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:38:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:33,787 INFO L225 Difference]: With dead ends: 21601 [2022-10-16 16:38:33,787 INFO L226 Difference]: Without dead ends: 21598 [2022-10-16 16:38:33,791 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 16:38:33,792 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 686 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:33,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1260 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21598 states. [2022-10-16 16:38:35,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21598 to 20500. [2022-10-16 16:38:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20500 states, 20467 states have (on average 1.575707236038501) internal successors, (32250), 20499 states have internal predecessors, (32250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20500 states to 20500 states and 32250 transitions. [2022-10-16 16:38:35,169 INFO L78 Accepts]: Start accepts. Automaton has 20500 states and 32250 transitions. Word has length 137 [2022-10-16 16:38:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:35,169 INFO L495 AbstractCegarLoop]: Abstraction has 20500 states and 32250 transitions. [2022-10-16 16:38:35,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 20500 states and 32250 transitions. [2022-10-16 16:38:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:38:35,172 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:35,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:35,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:38:35,173 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:35,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1448770986, now seen corresponding path program 1 times [2022-10-16 16:38:35,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:35,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920996751] [2022-10-16 16:38:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:35,352 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 16:38:35,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:35,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920996751] [2022-10-16 16:38:35,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920996751] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:35,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:35,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:35,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481510356] [2022-10-16 16:38:35,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:35,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:35,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:35,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:35,354 INFO L87 Difference]: Start difference. First operand 20500 states and 32250 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:37,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:37,271 INFO L93 Difference]: Finished difference Result 23728 states and 37308 transitions. [2022-10-16 16:38:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:37,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:38:37,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:37,314 INFO L225 Difference]: With dead ends: 23728 [2022-10-16 16:38:37,315 INFO L226 Difference]: Without dead ends: 23725 [2022-10-16 16:38:37,325 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 16:38:37,325 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 1449 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:37,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 1347 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23725 states. [2022-10-16 16:38:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23725 to 23632. [2022-10-16 16:38:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23632 states, 23599 states have (on average 1.578626212975126) internal successors, (37254), 23631 states have internal predecessors, (37254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23632 states to 23632 states and 37254 transitions. [2022-10-16 16:38:39,010 INFO L78 Accepts]: Start accepts. Automaton has 23632 states and 37254 transitions. Word has length 137 [2022-10-16 16:38:39,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:39,010 INFO L495 AbstractCegarLoop]: Abstraction has 23632 states and 37254 transitions. [2022-10-16 16:38:39,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23632 states and 37254 transitions. [2022-10-16 16:38:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:38:39,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:39,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:39,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:38:39,012 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:39,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:39,013 INFO L85 PathProgramCache]: Analyzing trace with hash -280443263, now seen corresponding path program 1 times [2022-10-16 16:38:39,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:39,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101656420] [2022-10-16 16:38:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:39,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:39,216 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 16:38:39,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:39,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101656420] [2022-10-16 16:38:39,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101656420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:39,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:39,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:39,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335614291] [2022-10-16 16:38:39,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:39,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:39,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:39,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:39,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:39,218 INFO L87 Difference]: Start difference. First operand 23632 states and 37254 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:41,335 INFO L93 Difference]: Finished difference Result 24079 states and 37798 transitions. [2022-10-16 16:38:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:41,368 INFO L225 Difference]: With dead ends: 24079 [2022-10-16 16:38:41,369 INFO L226 Difference]: Without dead ends: 24076 [2022-10-16 16:38:41,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:41,377 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2558 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:41,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 1344 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:38:41,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24076 states. [2022-10-16 16:38:43,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24076 to 23986. [2022-10-16 16:38:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23986 states, 23953 states have (on average 1.5776311944224106) internal successors, (37789), 23985 states have internal predecessors, (37789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23986 states to 23986 states and 37789 transitions. [2022-10-16 16:38:43,075 INFO L78 Accepts]: Start accepts. Automaton has 23986 states and 37789 transitions. Word has length 138 [2022-10-16 16:38:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:43,076 INFO L495 AbstractCegarLoop]: Abstraction has 23986 states and 37789 transitions. [2022-10-16 16:38:43,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23986 states and 37789 transitions. [2022-10-16 16:38:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:38:43,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:43,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:43,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:38:43,078 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:43,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:43,078 INFO L85 PathProgramCache]: Analyzing trace with hash -805110732, now seen corresponding path program 1 times [2022-10-16 16:38:43,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:43,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64658031] [2022-10-16 16:38:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:43,376 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 16:38:43,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:43,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64658031] [2022-10-16 16:38:43,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64658031] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:43,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:43,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:43,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032843437] [2022-10-16 16:38:43,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:43,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:43,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:43,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:43,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:43,379 INFO L87 Difference]: Start difference. First operand 23986 states and 37789 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:45,641 INFO L93 Difference]: Finished difference Result 24421 states and 38333 transitions. [2022-10-16 16:38:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:45,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:45,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:45,687 INFO L225 Difference]: With dead ends: 24421 [2022-10-16 16:38:45,687 INFO L226 Difference]: Without dead ends: 24418 [2022-10-16 16:38:45,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:45,698 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 1406 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:45,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1338 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:45,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24418 states. [2022-10-16 16:38:47,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24418 to 23986. [2022-10-16 16:38:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23986 states, 23953 states have (on average 1.5772554586064376) internal successors, (37780), 23985 states have internal predecessors, (37780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23986 states to 23986 states and 37780 transitions. [2022-10-16 16:38:47,397 INFO L78 Accepts]: Start accepts. Automaton has 23986 states and 37780 transitions. Word has length 138 [2022-10-16 16:38:47,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:47,397 INFO L495 AbstractCegarLoop]: Abstraction has 23986 states and 37780 transitions. [2022-10-16 16:38:47,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 23986 states and 37780 transitions. [2022-10-16 16:38:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:38:47,399 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:47,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:47,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:38:47,399 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:47,400 INFO L85 PathProgramCache]: Analyzing trace with hash -457177420, now seen corresponding path program 1 times [2022-10-16 16:38:47,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:47,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740180738] [2022-10-16 16:38:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:47,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:47,605 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 16:38:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:47,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740180738] [2022-10-16 16:38:47,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740180738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:47,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:47,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:47,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758398871] [2022-10-16 16:38:47,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:47,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:47,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:47,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:47,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:47,608 INFO L87 Difference]: Start difference. First operand 23986 states and 37780 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:49,622 INFO L93 Difference]: Finished difference Result 25474 states and 39983 transitions. [2022-10-16 16:38:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:49,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:49,656 INFO L225 Difference]: With dead ends: 25474 [2022-10-16 16:38:49,657 INFO L226 Difference]: Without dead ends: 25471 [2022-10-16 16:38:49,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:49,665 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 1300 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:49,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 1213 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25471 states. [2022-10-16 16:38:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25471 to 25378. [2022-10-16 16:38:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25378 states, 25345 states have (on average 1.5768396133359637) internal successors, (39965), 25377 states have internal predecessors, (39965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25378 states to 25378 states and 39965 transitions. [2022-10-16 16:38:51,471 INFO L78 Accepts]: Start accepts. Automaton has 25378 states and 39965 transitions. Word has length 138 [2022-10-16 16:38:51,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:51,471 INFO L495 AbstractCegarLoop]: Abstraction has 25378 states and 39965 transitions. [2022-10-16 16:38:51,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 25378 states and 39965 transitions. [2022-10-16 16:38:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:38:51,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:51,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:51,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:38:51,474 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:51,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1822528001, now seen corresponding path program 1 times [2022-10-16 16:38:51,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:51,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795411316] [2022-10-16 16:38:51,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:51,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:51,663 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 16:38:51,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:51,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795411316] [2022-10-16 16:38:51,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795411316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:51,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:51,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:51,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676264755] [2022-10-16 16:38:51,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:51,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:51,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:51,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:51,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:51,665 INFO L87 Difference]: Start difference. First operand 25378 states and 39965 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:53,831 INFO L93 Difference]: Finished difference Result 25468 states and 39965 transitions. [2022-10-16 16:38:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:38:53,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:53,867 INFO L225 Difference]: With dead ends: 25468 [2022-10-16 16:38:53,867 INFO L226 Difference]: Without dead ends: 25465 [2022-10-16 16:38:53,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:38:53,876 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2298 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:53,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2298 Valid, 1695 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25465 states. [2022-10-16 16:38:55,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25465 to 25378. [2022-10-16 16:38:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25378 states, 25345 states have (on average 1.5761294140856186) internal successors, (39947), 25377 states have internal predecessors, (39947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25378 states to 25378 states and 39947 transitions. [2022-10-16 16:38:55,691 INFO L78 Accepts]: Start accepts. Automaton has 25378 states and 39947 transitions. Word has length 138 [2022-10-16 16:38:55,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:55,691 INFO L495 AbstractCegarLoop]: Abstraction has 25378 states and 39947 transitions. [2022-10-16 16:38:55,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 25378 states and 39947 transitions. [2022-10-16 16:38:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:38:55,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:55,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:55,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:38:55,693 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:55,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash 366160533, now seen corresponding path program 1 times [2022-10-16 16:38:55,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:55,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863485858] [2022-10-16 16:38:55,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:55,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:55,915 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 16:38:55,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:55,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863485858] [2022-10-16 16:38:55,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863485858] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:55,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:55,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223081454] [2022-10-16 16:38:55,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:55,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:55,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:55,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:55,918 INFO L87 Difference]: Start difference. First operand 25378 states and 39947 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:58,156 INFO L93 Difference]: Finished difference Result 25819 states and 40482 transitions. [2022-10-16 16:38:58,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:38:58,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:58,192 INFO L225 Difference]: With dead ends: 25819 [2022-10-16 16:38:58,192 INFO L226 Difference]: Without dead ends: 25816 [2022-10-16 16:38:58,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:58,201 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1841 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:58,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 2005 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:38:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25816 states. [2022-10-16 16:38:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25816 to 25726. [2022-10-16 16:39:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25726 states, 25693 states have (on average 1.5752539602226288) internal successors, (40473), 25725 states have internal predecessors, (40473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25726 states to 25726 states and 40473 transitions. [2022-10-16 16:39:00,054 INFO L78 Accepts]: Start accepts. Automaton has 25726 states and 40473 transitions. Word has length 138 [2022-10-16 16:39:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:00,055 INFO L495 AbstractCegarLoop]: Abstraction has 25726 states and 40473 transitions. [2022-10-16 16:39:00,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 25726 states and 40473 transitions. [2022-10-16 16:39:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:00,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:00,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:00,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:39:00,057 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:00,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -277375723, now seen corresponding path program 1 times [2022-10-16 16:39:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:00,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175734623] [2022-10-16 16:39:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:39:00,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175734623] [2022-10-16 16:39:00,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175734623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:00,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:00,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:00,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533232719] [2022-10-16 16:39:00,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:00,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:00,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:00,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:00,240 INFO L87 Difference]: Start difference. First operand 25726 states and 40473 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:02,546 INFO L93 Difference]: Finished difference Result 26173 states and 41017 transitions. [2022-10-16 16:39:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:39:02,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:02,581 INFO L225 Difference]: With dead ends: 26173 [2022-10-16 16:39:02,582 INFO L226 Difference]: Without dead ends: 26170 [2022-10-16 16:39:02,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:39:02,590 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1837 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:02,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 1798 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:39:02,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26170 states. [2022-10-16 16:39:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26170 to 26080. [2022-10-16 16:39:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26080 states, 26047 states have (on average 1.5743847659999233) internal successors, (41008), 26079 states have internal predecessors, (41008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26080 states to 26080 states and 41008 transitions. [2022-10-16 16:39:04,458 INFO L78 Accepts]: Start accepts. Automaton has 26080 states and 41008 transitions. Word has length 138 [2022-10-16 16:39:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:04,458 INFO L495 AbstractCegarLoop]: Abstraction has 26080 states and 41008 transitions. [2022-10-16 16:39:04,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26080 states and 41008 transitions. [2022-10-16 16:39:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:04,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:04,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:04,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:39:04,460 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash -802043192, now seen corresponding path program 1 times [2022-10-16 16:39:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:04,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476078595] [2022-10-16 16:39:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:04,637 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 16:39:04,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:04,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476078595] [2022-10-16 16:39:04,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476078595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:04,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:04,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:04,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796388326] [2022-10-16 16:39:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:04,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:04,639 INFO L87 Difference]: Start difference. First operand 26080 states and 41008 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:06,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:06,771 INFO L93 Difference]: Finished difference Result 26515 states and 41552 transitions. [2022-10-16 16:39:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:06,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:06,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:06,810 INFO L225 Difference]: With dead ends: 26515 [2022-10-16 16:39:06,810 INFO L226 Difference]: Without dead ends: 26512 [2022-10-16 16:39:06,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:06,820 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 1059 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:06,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1385 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:39:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26512 states. [2022-10-16 16:39:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26512 to 26428. [2022-10-16 16:39:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26428 states, 26395 states have (on average 1.572873650312559) internal successors, (41516), 26427 states have internal predecessors, (41516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26428 states to 26428 states and 41516 transitions. [2022-10-16 16:39:08,804 INFO L78 Accepts]: Start accepts. Automaton has 26428 states and 41516 transitions. Word has length 138 [2022-10-16 16:39:08,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:08,805 INFO L495 AbstractCegarLoop]: Abstraction has 26428 states and 41516 transitions. [2022-10-16 16:39:08,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 26428 states and 41516 transitions. [2022-10-16 16:39:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:08,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:08,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:08,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:39:08,807 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:08,808 INFO L85 PathProgramCache]: Analyzing trace with hash 663267016, now seen corresponding path program 1 times [2022-10-16 16:39:08,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:08,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236746138] [2022-10-16 16:39:08,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:08,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:08,978 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 16:39:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:08,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236746138] [2022-10-16 16:39:08,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236746138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:08,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:08,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:08,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280105332] [2022-10-16 16:39:08,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:08,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:08,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:08,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:08,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:08,980 INFO L87 Difference]: Start difference. First operand 26428 states and 41516 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:11,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:11,239 INFO L93 Difference]: Finished difference Result 27580 states and 43202 transitions. [2022-10-16 16:39:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:11,280 INFO L225 Difference]: With dead ends: 27580 [2022-10-16 16:39:11,280 INFO L226 Difference]: Without dead ends: 27577 [2022-10-16 16:39:11,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:11,297 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 1233 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:11,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 1579 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2022-10-16 16:39:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27472. [2022-10-16 16:39:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27472 states, 27439 states have (on average 1.573818287838478) internal successors, (43184), 27471 states have internal predecessors, (43184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27472 states to 27472 states and 43184 transitions. [2022-10-16 16:39:13,318 INFO L78 Accepts]: Start accepts. Automaton has 27472 states and 43184 transitions. Word has length 138 [2022-10-16 16:39:13,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:13,319 INFO L495 AbstractCegarLoop]: Abstraction has 27472 states and 43184 transitions. [2022-10-16 16:39:13,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 27472 states and 43184 transitions. [2022-10-16 16:39:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:13,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:13,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:13,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:39:13,321 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:13,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1865316411, now seen corresponding path program 1 times [2022-10-16 16:39:13,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:13,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706851202] [2022-10-16 16:39:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:13,476 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 16:39:13,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:13,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706851202] [2022-10-16 16:39:13,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706851202] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:13,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:13,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:39:13,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40040506] [2022-10-16 16:39:13,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:13,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:39:13,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:13,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:39:13,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:39:13,482 INFO L87 Difference]: Start difference. First operand 27472 states and 43184 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:15,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:15,723 INFO L93 Difference]: Finished difference Result 29989 states and 47100 transitions. [2022-10-16 16:39:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:39:15,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:15,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:15,763 INFO L225 Difference]: With dead ends: 29989 [2022-10-16 16:39:15,763 INFO L226 Difference]: Without dead ends: 29986 [2022-10-16 16:39:15,772 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 16:39:15,772 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 643 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:15,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1644 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:39:15,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29986 states. [2022-10-16 16:39:17,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29986 to 28864. [2022-10-16 16:39:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28864 states, 28831 states have (on average 1.570809198432243) internal successors, (45288), 28863 states have internal predecessors, (45288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28864 states to 28864 states and 45288 transitions. [2022-10-16 16:39:17,862 INFO L78 Accepts]: Start accepts. Automaton has 28864 states and 45288 transitions. Word has length 138 [2022-10-16 16:39:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:17,862 INFO L495 AbstractCegarLoop]: Abstraction has 28864 states and 45288 transitions. [2022-10-16 16:39:17,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 28864 states and 45288 transitions. [2022-10-16 16:39:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:17,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:17,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:17,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:39:17,864 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:17,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1962227159, now seen corresponding path program 1 times [2022-10-16 16:39:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:17,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659384138] [2022-10-16 16:39:17,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:18,052 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 16:39:18,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:18,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659384138] [2022-10-16 16:39:18,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659384138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:18,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:18,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:18,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279940090] [2022-10-16 16:39:18,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:18,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:18,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:18,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:18,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:18,055 INFO L87 Difference]: Start difference. First operand 28864 states and 45288 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:20,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:20,738 INFO L93 Difference]: Finished difference Result 29311 states and 45832 transitions. [2022-10-16 16:39:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:39:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:20,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:20,783 INFO L225 Difference]: With dead ends: 29311 [2022-10-16 16:39:20,783 INFO L226 Difference]: Without dead ends: 29308 [2022-10-16 16:39:20,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:39:20,794 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 2214 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:20,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 2175 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:39:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29308 states. [2022-10-16 16:39:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29308 to 29218. [2022-10-16 16:39:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29218 states, 29185 states have (on average 1.570087373650848) internal successors, (45823), 29217 states have internal predecessors, (45823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29218 states to 29218 states and 45823 transitions. [2022-10-16 16:39:23,017 INFO L78 Accepts]: Start accepts. Automaton has 29218 states and 45823 transitions. Word has length 138 [2022-10-16 16:39:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:23,017 INFO L495 AbstractCegarLoop]: Abstraction has 29218 states and 45823 transitions. [2022-10-16 16:39:23,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29218 states and 45823 transitions. [2022-10-16 16:39:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:23,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:23,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:23,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:39:23,020 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:23,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1808072668, now seen corresponding path program 1 times [2022-10-16 16:39:23,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:23,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498142421] [2022-10-16 16:39:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:39:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:23,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498142421] [2022-10-16 16:39:23,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498142421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:23,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:23,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:23,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273312455] [2022-10-16 16:39:23,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:23,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:23,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:23,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:23,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:23,198 INFO L87 Difference]: Start difference. First operand 29218 states and 45823 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:25,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:25,611 INFO L93 Difference]: Finished difference Result 29653 states and 46367 transitions. [2022-10-16 16:39:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:25,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:25,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:25,658 INFO L225 Difference]: With dead ends: 29653 [2022-10-16 16:39:25,658 INFO L226 Difference]: Without dead ends: 29650 [2022-10-16 16:39:25,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:25,669 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 1181 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:25,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 1566 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29650 states. [2022-10-16 16:39:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29650 to 29566. [2022-10-16 16:39:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29566 states, 29533 states have (on average 1.5697016896353233) internal successors, (46358), 29565 states have internal predecessors, (46358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29566 states to 29566 states and 46358 transitions. [2022-10-16 16:39:27,866 INFO L78 Accepts]: Start accepts. Automaton has 29566 states and 46358 transitions. Word has length 138 [2022-10-16 16:39:27,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:27,866 INFO L495 AbstractCegarLoop]: Abstraction has 29566 states and 46358 transitions. [2022-10-16 16:39:27,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 29566 states and 46358 transitions. [2022-10-16 16:39:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:39:27,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:27,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:27,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:39:27,869 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2138961316, now seen corresponding path program 1 times [2022-10-16 16:39:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:27,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323202056] [2022-10-16 16:39:27,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:28,049 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 16:39:28,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:28,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323202056] [2022-10-16 16:39:28,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323202056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:28,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:28,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:28,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309537249] [2022-10-16 16:39:28,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:28,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:28,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:28,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:28,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:28,053 INFO L87 Difference]: Start difference. First operand 29566 states and 46358 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:30,597 INFO L93 Difference]: Finished difference Result 30706 states and 48026 transitions. [2022-10-16 16:39:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:30,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:39:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:30,640 INFO L225 Difference]: With dead ends: 30706 [2022-10-16 16:39:30,641 INFO L226 Difference]: Without dead ends: 30703 [2022-10-16 16:39:30,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:30,652 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 1193 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:30,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1808 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:30,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30703 states. [2022-10-16 16:39:32,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30703 to 30610. [2022-10-16 16:39:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30610 states, 30577 states have (on average 1.5700690061157079) internal successors, (48008), 30609 states have internal predecessors, (48008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30610 states to 30610 states and 48008 transitions. [2022-10-16 16:39:32,897 INFO L78 Accepts]: Start accepts. Automaton has 30610 states and 48008 transitions. Word has length 138 [2022-10-16 16:39:32,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:32,898 INFO L495 AbstractCegarLoop]: Abstraction has 30610 states and 48008 transitions. [2022-10-16 16:39:32,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 30610 states and 48008 transitions. [2022-10-16 16:39:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:39:32,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:32,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:32,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:39:32,900 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:32,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:32,900 INFO L85 PathProgramCache]: Analyzing trace with hash -103806112, now seen corresponding path program 1 times [2022-10-16 16:39:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:32,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324688169] [2022-10-16 16:39:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:33,166 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 16:39:33,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:33,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324688169] [2022-10-16 16:39:33,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324688169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:33,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:33,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:33,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966465620] [2022-10-16 16:39:33,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:33,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:33,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:33,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:33,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:33,169 INFO L87 Difference]: Start difference. First operand 30610 states and 48008 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:36,317 INFO L93 Difference]: Finished difference Result 39445 states and 61788 transitions. [2022-10-16 16:39:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:39:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:39:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:36,370 INFO L225 Difference]: With dead ends: 39445 [2022-10-16 16:39:36,370 INFO L226 Difference]: Without dead ends: 39442 [2022-10-16 16:39:36,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:39:36,380 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 3145 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:36,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 1063 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:36,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39442 states. [2022-10-16 16:39:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39442 to 39322. [2022-10-16 16:39:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39322 states, 39289 states have (on average 1.5708213494871337) internal successors, (61716), 39321 states have internal predecessors, (61716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39322 states to 39322 states and 61716 transitions. [2022-10-16 16:39:39,302 INFO L78 Accepts]: Start accepts. Automaton has 39322 states and 61716 transitions. Word has length 139 [2022-10-16 16:39:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:39,302 INFO L495 AbstractCegarLoop]: Abstraction has 39322 states and 61716 transitions. [2022-10-16 16:39:39,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 39322 states and 61716 transitions. [2022-10-16 16:39:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:39:39,305 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:39,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:39,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:39:39,305 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1287597687, now seen corresponding path program 1 times [2022-10-16 16:39:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:39,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642565966] [2022-10-16 16:39:39,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:39,444 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 16:39:39,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:39,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642565966] [2022-10-16 16:39:39,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642565966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:39,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:39,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519151808] [2022-10-16 16:39:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:39,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:39,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:39,447 INFO L87 Difference]: Start difference. First operand 39322 states and 61716 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:43,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:43,589 INFO L93 Difference]: Finished difference Result 51934 states and 81633 transitions. [2022-10-16 16:39:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:43,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:39:43,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:43,662 INFO L225 Difference]: With dead ends: 51934 [2022-10-16 16:39:43,662 INFO L226 Difference]: Without dead ends: 51931 [2022-10-16 16:39:43,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:43,675 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1347 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:43,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1042 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:39:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51931 states. [2022-10-16 16:39:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51931 to 43846. [2022-10-16 16:39:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 43813 states have (on average 1.5747609157099491) internal successors, (68995), 43845 states have internal predecessors, (68995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 68995 transitions. [2022-10-16 16:39:47,342 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 68995 transitions. Word has length 139 [2022-10-16 16:39:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:47,343 INFO L495 AbstractCegarLoop]: Abstraction has 43846 states and 68995 transitions. [2022-10-16 16:39:47,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 68995 transitions. [2022-10-16 16:39:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:39:47,346 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:47,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:47,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:39:47,346 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:47,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1533924916, now seen corresponding path program 1 times [2022-10-16 16:39:47,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:47,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190369856] [2022-10-16 16:39:47,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:47,637 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 16:39:47,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:47,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190369856] [2022-10-16 16:39:47,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190369856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:47,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:47,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:47,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865257963] [2022-10-16 16:39:47,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:47,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:47,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:47,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:47,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:47,640 INFO L87 Difference]: Start difference. First operand 43846 states and 68995 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:52,106 INFO L93 Difference]: Finished difference Result 50914 states and 79740 transitions. [2022-10-16 16:39:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:39:52,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:39:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:52,174 INFO L225 Difference]: With dead ends: 50914 [2022-10-16 16:39:52,174 INFO L226 Difference]: Without dead ends: 50911 [2022-10-16 16:39:52,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:39:52,186 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 2057 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:52,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 1493 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50911 states. [2022-10-16 16:39:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50911 to 48034. [2022-10-16 16:39:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48034 states, 48001 states have (on average 1.5720505822795359) internal successors, (75460), 48033 states have internal predecessors, (75460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48034 states to 48034 states and 75460 transitions. [2022-10-16 16:39:56,164 INFO L78 Accepts]: Start accepts. Automaton has 48034 states and 75460 transitions. Word has length 139 [2022-10-16 16:39:56,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:56,165 INFO L495 AbstractCegarLoop]: Abstraction has 48034 states and 75460 transitions. [2022-10-16 16:39:56,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:39:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 48034 states and 75460 transitions. [2022-10-16 16:39:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:39:56,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:56,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:39:56,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:39:56,167 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:56,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:56,167 INFO L85 PathProgramCache]: Analyzing trace with hash -8712372, now seen corresponding path program 1 times [2022-10-16 16:39:56,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:56,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468376474] [2022-10-16 16:39:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:56,322 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 16:39:56,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:56,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468376474] [2022-10-16 16:39:56,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468376474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:56,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:56,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:56,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944430041] [2022-10-16 16:39:56,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:56,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:56,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:56,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:56,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:56,324 INFO L87 Difference]: Start difference. First operand 48034 states and 75460 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:01,875 INFO L93 Difference]: Finished difference Result 58582 states and 91870 transitions. [2022-10-16 16:40:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:40:01,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:40:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:01,964 INFO L225 Difference]: With dead ends: 58582 [2022-10-16 16:40:01,964 INFO L226 Difference]: Without dead ends: 58579 [2022-10-16 16:40:02,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:40:02,067 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 2055 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:02,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 1497 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:40:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58579 states. [2022-10-16 16:40:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58579 to 58480. [2022-10-16 16:40:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58480 states, 58447 states have (on average 1.5698496073365613) internal successors, (91753), 58479 states have internal predecessors, (91753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58480 states to 58480 states and 91753 transitions. [2022-10-16 16:40:07,475 INFO L78 Accepts]: Start accepts. Automaton has 58480 states and 91753 transitions. Word has length 139 [2022-10-16 16:40:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:07,475 INFO L495 AbstractCegarLoop]: Abstraction has 58480 states and 91753 transitions. [2022-10-16 16:40:07,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 58480 states and 91753 transitions. [2022-10-16 16:40:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:40:07,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:07,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:07,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:40:07,477 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:40:07,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:07,478 INFO L85 PathProgramCache]: Analyzing trace with hash -913558539, now seen corresponding path program 1 times [2022-10-16 16:40:07,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:07,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079109893] [2022-10-16 16:40:07,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:07,630 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 16:40:07,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:07,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079109893] [2022-10-16 16:40:07,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079109893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:07,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:07,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:40:07,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094557037] [2022-10-16 16:40:07,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:07,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:40:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:40:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:40:07,632 INFO L87 Difference]: Start difference. First operand 58480 states and 91753 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:13,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:13,909 INFO L93 Difference]: Finished difference Result 66229 states and 104063 transitions. [2022-10-16 16:40:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:40:13,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:40:13,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:13,995 INFO L225 Difference]: With dead ends: 66229 [2022-10-16 16:40:13,995 INFO L226 Difference]: Without dead ends: 66226 [2022-10-16 16:40:14,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:40:14,007 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1249 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:14,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1415 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:40:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66226 states. [2022-10-16 16:40:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66226 to 65440. [2022-10-16 16:40:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65440 states, 65407 states have (on average 1.571895974436987) internal successors, (102813), 65439 states have internal predecessors, (102813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65440 states to 65440 states and 102813 transitions. [2022-10-16 16:40:20,199 INFO L78 Accepts]: Start accepts. Automaton has 65440 states and 102813 transitions. Word has length 139 [2022-10-16 16:40:20,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:20,200 INFO L495 AbstractCegarLoop]: Abstraction has 65440 states and 102813 transitions. [2022-10-16 16:40:20,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 65440 states and 102813 transitions. [2022-10-16 16:40:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:40:20,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:20,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:20,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:40:20,203 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:40:20,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:20,204 INFO L85 PathProgramCache]: Analyzing trace with hash -699499336, now seen corresponding path program 1 times [2022-10-16 16:40:20,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:20,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397868168] [2022-10-16 16:40:20,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:20,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:20,345 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 16:40:20,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:20,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397868168] [2022-10-16 16:40:20,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397868168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:20,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:20,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:40:20,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115873013] [2022-10-16 16:40:20,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:20,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:40:20,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:20,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:40:20,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:40:20,348 INFO L87 Difference]: Start difference. First operand 65440 states and 102813 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:26,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:26,861 INFO L93 Difference]: Finished difference Result 73576 states and 115451 transitions. [2022-10-16 16:40:26,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:40:26,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:40:26,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:26,956 INFO L225 Difference]: With dead ends: 73576 [2022-10-16 16:40:26,956 INFO L226 Difference]: Without dead ends: 73573 [2022-10-16 16:40:26,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:40:26,971 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2161 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:26,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 1537 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:40:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73573 states. [2022-10-16 16:40:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73573 to 73450. [2022-10-16 16:40:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73450 states, 73417 states have (on average 1.5715569963359985) internal successors, (115379), 73449 states have internal predecessors, (115379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73450 states to 73450 states and 115379 transitions. [2022-10-16 16:40:33,807 INFO L78 Accepts]: Start accepts. Automaton has 73450 states and 115379 transitions. Word has length 139 [2022-10-16 16:40:33,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:33,807 INFO L495 AbstractCegarLoop]: Abstraction has 73450 states and 115379 transitions. [2022-10-16 16:40:33,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73450 states and 115379 transitions. [2022-10-16 16:40:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:40:33,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:33,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:33,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:40:33,810 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:40:33,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:33,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1883290911, now seen corresponding path program 1 times [2022-10-16 16:40:33,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:33,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977200665] [2022-10-16 16:40:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:33,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:33,963 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 16:40:33,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:33,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977200665] [2022-10-16 16:40:33,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977200665] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:33,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:33,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:40:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207301458] [2022-10-16 16:40:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:33,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:40:33,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:33,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:40:33,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:40:33,966 INFO L87 Difference]: Start difference. First operand 73450 states and 115379 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:41,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:41,781 INFO L93 Difference]: Finished difference Result 89557 states and 141195 transitions. [2022-10-16 16:40:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:40:41,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:40:41,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:41,919 INFO L225 Difference]: With dead ends: 89557 [2022-10-16 16:40:41,919 INFO L226 Difference]: Without dead ends: 89551 [2022-10-16 16:40:41,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:40:41,936 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1119 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:41,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1243 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:40:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89551 states. [2022-10-16 16:40:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89551 to 84586. [2022-10-16 16:40:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84586 states, 84553 states have (on average 1.5748228921504854) internal successors, (133156), 84585 states have internal predecessors, (133156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84586 states to 84586 states and 133156 transitions. [2022-10-16 16:40:49,843 INFO L78 Accepts]: Start accepts. Automaton has 84586 states and 133156 transitions. Word has length 139 [2022-10-16 16:40:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:40:49,843 INFO L495 AbstractCegarLoop]: Abstraction has 84586 states and 133156 transitions. [2022-10-16 16:40:49,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 84586 states and 133156 transitions. [2022-10-16 16:40:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:40:49,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:40:49,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:40:49,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:40:49,846 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:40:49,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:40:49,847 INFO L85 PathProgramCache]: Analyzing trace with hash 839081538, now seen corresponding path program 1 times [2022-10-16 16:40:49,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:40:49,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479116129] [2022-10-16 16:40:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:40:49,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:40:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:40:50,289 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 16:40:50,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:40:50,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479116129] [2022-10-16 16:40:50,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479116129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:40:50,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:40:50,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:40:50,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230203333] [2022-10-16 16:40:50,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:40:50,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:40:50,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:40:50,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:40:50,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:40:50,292 INFO L87 Difference]: Start difference. First operand 84586 states and 133156 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:40:57,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:40:57,607 INFO L93 Difference]: Finished difference Result 85024 states and 133682 transitions. [2022-10-16 16:40:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:40:57,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:40:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:40:57,727 INFO L225 Difference]: With dead ends: 85024 [2022-10-16 16:40:57,727 INFO L226 Difference]: Without dead ends: 85021 [2022-10-16 16:40:57,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:40:57,744 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 2194 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:40:57,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2194 Valid, 1498 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:40:57,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85021 states. [2022-10-16 16:41:05,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85021 to 84580. [2022-10-16 16:41:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84580 states, 84547 states have (on average 1.5748282020651236) internal successors, (133147), 84579 states have internal predecessors, (133147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84580 states to 84580 states and 133147 transitions. [2022-10-16 16:41:05,490 INFO L78 Accepts]: Start accepts. Automaton has 84580 states and 133147 transitions. Word has length 140 [2022-10-16 16:41:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:05,490 INFO L495 AbstractCegarLoop]: Abstraction has 84580 states and 133147 transitions. [2022-10-16 16:41:05,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 84580 states and 133147 transitions. [2022-10-16 16:41:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:41:05,492 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:05,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:05,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:41:05,492 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:41:05,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1076978275, now seen corresponding path program 1 times [2022-10-16 16:41:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:05,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976920197] [2022-10-16 16:41:05,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:05,912 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 16:41:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:05,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976920197] [2022-10-16 16:41:05,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976920197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:05,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:05,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:41:05,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829100720] [2022-10-16 16:41:05,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:05,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:41:05,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:05,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:41:05,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:41:05,916 INFO L87 Difference]: Start difference. First operand 84580 states and 133147 transitions. Second operand has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:13,249 INFO L93 Difference]: Finished difference Result 85373 states and 134191 transitions. [2022-10-16 16:41:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:41:13,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:41:13,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:13,391 INFO L225 Difference]: With dead ends: 85373 [2022-10-16 16:41:13,391 INFO L226 Difference]: Without dead ends: 85370 [2022-10-16 16:41:13,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:41:13,410 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 3202 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3202 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:13,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3202 Valid, 1518 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:41:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85370 states. [2022-10-16 16:41:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85370 to 84934. [2022-10-16 16:41:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84934 states, 84901 states have (on average 1.5743513032826468) internal successors, (133664), 84933 states have internal predecessors, (133664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84934 states to 84934 states and 133664 transitions. [2022-10-16 16:41:21,195 INFO L78 Accepts]: Start accepts. Automaton has 84934 states and 133664 transitions. Word has length 140 [2022-10-16 16:41:21,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:21,195 INFO L495 AbstractCegarLoop]: Abstraction has 84934 states and 133664 transitions. [2022-10-16 16:41:21,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 84934 states and 133664 transitions. [2022-10-16 16:41:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:41:21,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:21,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:21,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:41:21,199 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:41:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:21,199 INFO L85 PathProgramCache]: Analyzing trace with hash -617285930, now seen corresponding path program 1 times [2022-10-16 16:41:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:21,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789531609] [2022-10-16 16:41:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:21,657 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 16:41:21,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:21,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789531609] [2022-10-16 16:41:21,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789531609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:21,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:21,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:41:21,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910483125] [2022-10-16 16:41:21,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:21,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:41:21,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:21,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:41:21,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:41:21,659 INFO L87 Difference]: Start difference. First operand 84934 states and 133664 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)