/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/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:55:38,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:55:38,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:55:38,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:55:38,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:55:38,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:55:38,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:55:38,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:55:38,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:55:38,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:55:38,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:55:38,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:55:38,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:55:38,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:55:38,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:55:38,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:55:38,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:55:38,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:55:38,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:55:38,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:55:38,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:55:38,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:55:38,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:55:38,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:55:38,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:55:38,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:55:38,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:55:38,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:55:38,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:55:38,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:55:38,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:55:38,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:55:38,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:55:38,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:55:38,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:55:38,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:55:38,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:55:38,677 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:55:38,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:55:38,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:55:38,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:55:38,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:55:38,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:55:38,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:55:38,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:55:38,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:55:38,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:55:38,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:55:38,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:55:38,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:55:38,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:38,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:55:38,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:55:38,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:55:38,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:55:38,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:55:38,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:55:38,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:55:39,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:55:39,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:55:39,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:55:39,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:55:39,103 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:55:39,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:39,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac2f1c3/1b1928bf312f43e7bb8a9bfaa577b3a0/FLAG6abb45fbf [2022-10-15 21:55:39,869 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:55:39,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:39,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac2f1c3/1b1928bf312f43e7bb8a9bfaa577b3a0/FLAG6abb45fbf [2022-10-15 21:55:40,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac2f1c3/1b1928bf312f43e7bb8a9bfaa577b3a0 [2022-10-15 21:55:40,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:55:40,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:55:40,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:40,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:55:40,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:55:40,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb60c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40, skipping insertion in model container [2022-10-15 21:55:40,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:55:40,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:55:40,452 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/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2022-10-15 21:55:40,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:40,463 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:55:40,562 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/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2022-10-15 21:55:40,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:40,580 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:55:40,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40 WrapperNode [2022-10-15 21:55:40,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:40,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:40,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:55:40,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:55:40,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,648 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 412 [2022-10-15 21:55:40,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:40,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:55:40,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:55:40,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:55:40,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:55:40,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:55:40,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:55:40,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:55:40,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (1/1) ... [2022-10-15 21:55:40,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:40,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:55:40,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:55:40,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:55:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:55:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:55:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:55:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:55:41,041 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:55:41,049 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:55:41,752 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:55:41,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:55:41,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:55:41,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:41 BoogieIcfgContainer [2022-10-15 21:55:41,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:55:41,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:55:41,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:55:41,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:55:41,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:55:40" (1/3) ... [2022-10-15 21:55:41,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470358e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:41, skipping insertion in model container [2022-10-15 21:55:41,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:40" (2/3) ... [2022-10-15 21:55:41,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470358e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:41, skipping insertion in model container [2022-10-15 21:55:41,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:41" (3/3) ... [2022-10-15 21:55:41,776 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:41,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:55:41,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-15 21:55:41,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:55:41,875 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;@13b453e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:55:41,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-15 21:55:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 173 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:55:41,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:41,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:55:41,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:41,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:55:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:41,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348385021] [2022-10-15 21:55:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:41,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:42,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:42,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348385021] [2022-10-15 21:55:42,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348385021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:42,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:42,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:55:42,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887748193] [2022-10-15 21:55:42,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:42,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:55:42,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:42,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:55:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:42,172 INFO L87 Difference]: Start difference. First operand has 174 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 173 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:42,211 INFO L93 Difference]: Finished difference Result 295 states and 424 transitions. [2022-10-15 21:55:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:55:42,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 21:55:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:42,227 INFO L225 Difference]: With dead ends: 295 [2022-10-15 21:55:42,227 INFO L226 Difference]: Without dead ends: 161 [2022-10-15 21:55:42,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:42,242 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:42,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:42,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-10-15 21:55:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-10-15 21:55:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 141 states have (on average 1.6950354609929077) internal successors, (239), 160 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 239 transitions. [2022-10-15 21:55:42,307 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 239 transitions. Word has length 4 [2022-10-15 21:55:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:42,308 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 239 transitions. [2022-10-15 21:55:42,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 239 transitions. [2022-10-15 21:55:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:55:42,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:42,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:42,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:55:42,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:42,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:42,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1645886508, now seen corresponding path program 1 times [2022-10-15 21:55:42,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:42,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171774869] [2022-10-15 21:55:42,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:42,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:42,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:42,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171774869] [2022-10-15 21:55:42,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171774869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:42,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:42,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:42,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812443787] [2022-10-15 21:55:42,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:42,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:42,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:42,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:42,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:42,646 INFO L87 Difference]: Start difference. First operand 161 states and 239 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:42,768 INFO L93 Difference]: Finished difference Result 280 states and 404 transitions. [2022-10-15 21:55:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-15 21:55:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:42,773 INFO L225 Difference]: With dead ends: 280 [2022-10-15 21:55:42,774 INFO L226 Difference]: Without dead ends: 161 [2022-10-15 21:55:42,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:42,777 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 3 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:42,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 913 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:42,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-10-15 21:55:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-10-15 21:55:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 141 states have (on average 1.4680851063829787) internal successors, (207), 160 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2022-10-15 21:55:42,797 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 10 [2022-10-15 21:55:42,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:42,797 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2022-10-15 21:55:42,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2022-10-15 21:55:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 21:55:42,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:42,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:42,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:55:42,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:42,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:42,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1847267111, now seen corresponding path program 1 times [2022-10-15 21:55:42,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:42,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563512030] [2022-10-15 21:55:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:42,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:42,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:42,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563512030] [2022-10-15 21:55:42,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563512030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:42,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:42,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136178208] [2022-10-15 21:55:42,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:42,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:42,997 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:43,030 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2022-10-15 21:55:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-15 21:55:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:43,033 INFO L225 Difference]: With dead ends: 378 [2022-10-15 21:55:43,033 INFO L226 Difference]: Without dead ends: 263 [2022-10-15 21:55:43,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,036 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 145 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:43,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 510 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-10-15 21:55:43,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 245. [2022-10-15 21:55:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 225 states have (on average 1.5466666666666666) internal successors, (348), 244 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 348 transitions. [2022-10-15 21:55:43,064 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 348 transitions. Word has length 49 [2022-10-15 21:55:43,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:43,064 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 348 transitions. [2022-10-15 21:55:43,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 348 transitions. [2022-10-15 21:55:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 21:55:43,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:43,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:43,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:55:43,089 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:43,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1100846249, now seen corresponding path program 1 times [2022-10-15 21:55:43,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:43,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711414196] [2022-10-15 21:55:43,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:43,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:43,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:43,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711414196] [2022-10-15 21:55:43,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711414196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:43,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:43,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:43,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267126146] [2022-10-15 21:55:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:43,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:43,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:43,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:43,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,213 INFO L87 Difference]: Start difference. First operand 245 states and 348 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:43,249 INFO L93 Difference]: Finished difference Result 619 states and 912 transitions. [2022-10-15 21:55:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:43,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-15 21:55:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:43,253 INFO L225 Difference]: With dead ends: 619 [2022-10-15 21:55:43,253 INFO L226 Difference]: Without dead ends: 420 [2022-10-15 21:55:43,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,257 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 145 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:43,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 500 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-10-15 21:55:43,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 400. [2022-10-15 21:55:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 380 states have (on average 1.6) internal successors, (608), 399 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 608 transitions. [2022-10-15 21:55:43,301 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 608 transitions. Word has length 68 [2022-10-15 21:55:43,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:43,302 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 608 transitions. [2022-10-15 21:55:43,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 608 transitions. [2022-10-15 21:55:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:55:43,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:43,311 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] [2022-10-15 21:55:43,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:55:43,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:43,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash -705694125, now seen corresponding path program 1 times [2022-10-15 21:55:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:43,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185889972] [2022-10-15 21:55:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:43,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:43,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185889972] [2022-10-15 21:55:43,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185889972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:43,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:43,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:43,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945726105] [2022-10-15 21:55:43,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:43,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:43,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:43,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:43,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,506 INFO L87 Difference]: Start difference. First operand 400 states and 608 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:43,577 INFO L93 Difference]: Finished difference Result 1060 states and 1652 transitions. [2022-10-15 21:55:43,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:43,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 21:55:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:43,584 INFO L225 Difference]: With dead ends: 1060 [2022-10-15 21:55:43,584 INFO L226 Difference]: Without dead ends: 706 [2022-10-15 21:55:43,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,587 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 140 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:43,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 491 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-10-15 21:55:43,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 686. [2022-10-15 21:55:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 666 states have (on average 1.6306306306306306) internal successors, (1086), 685 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1086 transitions. [2022-10-15 21:55:43,630 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1086 transitions. Word has length 69 [2022-10-15 21:55:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:43,631 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1086 transitions. [2022-10-15 21:55:43,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1086 transitions. [2022-10-15 21:55:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:55:43,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:43,634 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] [2022-10-15 21:55:43,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:55:43,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:43,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:43,635 INFO L85 PathProgramCache]: Analyzing trace with hash -244638873, now seen corresponding path program 1 times [2022-10-15 21:55:43,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:43,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685216516] [2022-10-15 21:55:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:43,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:43,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:43,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685216516] [2022-10-15 21:55:43,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685216516] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:43,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:43,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:43,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464990567] [2022-10-15 21:55:43,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:43,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:43,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,763 INFO L87 Difference]: Start difference. First operand 686 states and 1086 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:43,830 INFO L93 Difference]: Finished difference Result 1870 states and 3006 transitions. [2022-10-15 21:55:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:43,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-15 21:55:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:43,839 INFO L225 Difference]: With dead ends: 1870 [2022-10-15 21:55:43,839 INFO L226 Difference]: Without dead ends: 1230 [2022-10-15 21:55:43,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:43,842 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 135 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:43,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 482 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:43,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-10-15 21:55:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1210. [2022-10-15 21:55:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1190 states have (on average 1.6453781512605041) internal successors, (1958), 1209 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1958 transitions. [2022-10-15 21:55:43,932 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1958 transitions. Word has length 70 [2022-10-15 21:55:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:43,933 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1958 transitions. [2022-10-15 21:55:43,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1958 transitions. [2022-10-15 21:55:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:55:43,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:43,935 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] [2022-10-15 21:55:43,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:55:43,935 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:43,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash 931836259, now seen corresponding path program 1 times [2022-10-15 21:55:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:43,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111816721] [2022-10-15 21:55:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:44,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:44,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111816721] [2022-10-15 21:55:44,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111816721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:44,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:44,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:44,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7789341] [2022-10-15 21:55:44,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:44,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:44,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:44,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:44,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:44,010 INFO L87 Difference]: Start difference. First operand 1210 states and 1958 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:44,113 INFO L93 Difference]: Finished difference Result 3346 states and 5462 transitions. [2022-10-15 21:55:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:44,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-15 21:55:44,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:44,126 INFO L225 Difference]: With dead ends: 3346 [2022-10-15 21:55:44,126 INFO L226 Difference]: Without dead ends: 2182 [2022-10-15 21:55:44,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:44,130 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 130 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:44,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 473 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2022-10-15 21:55:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2162. [2022-10-15 21:55:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2162 states, 2142 states have (on average 1.649859943977591) internal successors, (3534), 2161 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3534 transitions. [2022-10-15 21:55:44,245 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3534 transitions. Word has length 71 [2022-10-15 21:55:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:44,246 INFO L495 AbstractCegarLoop]: Abstraction has 2162 states and 3534 transitions. [2022-10-15 21:55:44,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3534 transitions. [2022-10-15 21:55:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:55:44,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:44,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:44,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:55:44,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:44,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:44,255 INFO L85 PathProgramCache]: Analyzing trace with hash -417940617, now seen corresponding path program 1 times [2022-10-15 21:55:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:44,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629444910] [2022-10-15 21:55:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:44,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629444910] [2022-10-15 21:55:44,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629444910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:44,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:44,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:44,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288364112] [2022-10-15 21:55:44,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:44,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:44,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:44,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:44,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:44,437 INFO L87 Difference]: Start difference. First operand 2162 states and 3534 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:44,862 INFO L93 Difference]: Finished difference Result 6392 states and 10510 transitions. [2022-10-15 21:55:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:44,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:55:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:44,898 INFO L225 Difference]: With dead ends: 6392 [2022-10-15 21:55:44,898 INFO L226 Difference]: Without dead ends: 6390 [2022-10-15 21:55:44,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:44,905 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 479 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:44,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 465 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:44,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6390 states. [2022-10-15 21:55:45,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6390 to 4258. [2022-10-15 21:55:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4258 states, 4238 states have (on average 1.6418121755545068) internal successors, (6958), 4257 states have internal predecessors, (6958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 6958 transitions. [2022-10-15 21:55:45,201 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 6958 transitions. Word has length 72 [2022-10-15 21:55:45,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:45,201 INFO L495 AbstractCegarLoop]: Abstraction has 4258 states and 6958 transitions. [2022-10-15 21:55:45,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 6958 transitions. [2022-10-15 21:55:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:55:45,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:45,209 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] [2022-10-15 21:55:45,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:55:45,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:45,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:45,215 INFO L85 PathProgramCache]: Analyzing trace with hash -71256694, now seen corresponding path program 1 times [2022-10-15 21:55:45,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:45,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132391244] [2022-10-15 21:55:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:45,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:45,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:45,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132391244] [2022-10-15 21:55:45,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132391244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:45,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:45,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:45,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937804881] [2022-10-15 21:55:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:45,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:45,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:45,331 INFO L87 Difference]: Start difference. First operand 4258 states and 6958 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:45,753 INFO L93 Difference]: Finished difference Result 6372 states and 10446 transitions. [2022-10-15 21:55:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:55:45,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-15 21:55:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:45,785 INFO L225 Difference]: With dead ends: 6372 [2022-10-15 21:55:45,785 INFO L226 Difference]: Without dead ends: 6370 [2022-10-15 21:55:45,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:45,789 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 478 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:45,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 319 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:45,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2022-10-15 21:55:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 6354. [2022-10-15 21:55:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6354 states, 6334 states have (on average 1.628986422481844) internal successors, (10318), 6353 states have internal predecessors, (10318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 10318 transitions. [2022-10-15 21:55:46,189 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 10318 transitions. Word has length 73 [2022-10-15 21:55:46,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:46,190 INFO L495 AbstractCegarLoop]: Abstraction has 6354 states and 10318 transitions. [2022-10-15 21:55:46,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 10318 transitions. [2022-10-15 21:55:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:55:46,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:46,195 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] [2022-10-15 21:55:46,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:55:46,198 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:46,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2086010329, now seen corresponding path program 1 times [2022-10-15 21:55:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:46,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734503367] [2022-10-15 21:55:46,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:46,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:46,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:46,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734503367] [2022-10-15 21:55:46,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734503367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:46,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:46,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536345751] [2022-10-15 21:55:46,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:46,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:46,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:46,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:46,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:46,364 INFO L87 Difference]: Start difference. First operand 6354 states and 10318 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:46,988 INFO L93 Difference]: Finished difference Result 10594 states and 17102 transitions. [2022-10-15 21:55:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:55:46,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-15 21:55:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:47,049 INFO L225 Difference]: With dead ends: 10594 [2022-10-15 21:55:47,049 INFO L226 Difference]: Without dead ends: 10592 [2022-10-15 21:55:47,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:47,057 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 932 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:47,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 650 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10592 states. [2022-10-15 21:55:47,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10592 to 8450. [2022-10-15 21:55:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8450 states, 8430 states have (on average 1.6149466192170818) internal successors, (13614), 8449 states have internal predecessors, (13614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8450 states to 8450 states and 13614 transitions. [2022-10-15 21:55:47,552 INFO L78 Accepts]: Start accepts. Automaton has 8450 states and 13614 transitions. Word has length 74 [2022-10-15 21:55:47,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:47,553 INFO L495 AbstractCegarLoop]: Abstraction has 8450 states and 13614 transitions. [2022-10-15 21:55:47,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8450 states and 13614 transitions. [2022-10-15 21:55:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:55:47,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:47,554 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] [2022-10-15 21:55:47,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:55:47,593 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash 241811308, now seen corresponding path program 1 times [2022-10-15 21:55:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:47,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027031099] [2022-10-15 21:55:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:47,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:47,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027031099] [2022-10-15 21:55:47,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027031099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:47,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:47,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907365378] [2022-10-15 21:55:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:47,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:47,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:47,705 INFO L87 Difference]: Start difference. First operand 8450 states and 13614 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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) [2022-10-15 21:55:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:48,344 INFO L93 Difference]: Finished difference Result 10578 states and 17038 transitions. [2022-10-15 21:55:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:55:48,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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 [2022-10-15 21:55:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:48,371 INFO L225 Difference]: With dead ends: 10578 [2022-10-15 21:55:48,372 INFO L226 Difference]: Without dead ends: 10576 [2022-10-15 21:55:48,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:48,376 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 939 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:48,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 480 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:48,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10576 states. [2022-10-15 21:55:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10576 to 10546. [2022-10-15 21:55:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10546 states, 10526 states have (on average 1.6004180125403762) internal successors, (16846), 10545 states have internal predecessors, (16846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10546 states to 10546 states and 16846 transitions. [2022-10-15 21:55:48,925 INFO L78 Accepts]: Start accepts. Automaton has 10546 states and 16846 transitions. Word has length 75 [2022-10-15 21:55:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:48,926 INFO L495 AbstractCegarLoop]: Abstraction has 10546 states and 16846 transitions. [2022-10-15 21:55:48,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 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) [2022-10-15 21:55:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 10546 states and 16846 transitions. [2022-10-15 21:55:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:55:48,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:48,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:48,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:55:48,928 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1093783493, now seen corresponding path program 1 times [2022-10-15 21:55:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:48,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315684876] [2022-10-15 21:55:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:48,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:49,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:49,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315684876] [2022-10-15 21:55:49,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315684876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:49,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:49,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:49,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173835581] [2022-10-15 21:55:49,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:49,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:55:49,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:49,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:55:49,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:55:49,047 INFO L87 Difference]: Start difference. First operand 10546 states and 16846 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:49,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:49,955 INFO L93 Difference]: Finished difference Result 16888 states and 26862 transitions. [2022-10-15 21:55:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:55:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:55:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:49,999 INFO L225 Difference]: With dead ends: 16888 [2022-10-15 21:55:50,000 INFO L226 Difference]: Without dead ends: 16886 [2022-10-15 21:55:50,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:55:50,006 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1241 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:50,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 948 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:50,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16886 states. [2022-10-15 21:55:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16886 to 12642. [2022-10-15 21:55:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 12622 states have (on average 1.5856441134527017) internal successors, (20014), 12641 states have internal predecessors, (20014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 20014 transitions. [2022-10-15 21:55:50,766 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 20014 transitions. Word has length 76 [2022-10-15 21:55:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:50,766 INFO L495 AbstractCegarLoop]: Abstraction has 12642 states and 20014 transitions. [2022-10-15 21:55:50,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 20014 transitions. [2022-10-15 21:55:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:55:50,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:50,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:50,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:55:50,768 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:50,769 INFO L85 PathProgramCache]: Analyzing trace with hash 452450638, now seen corresponding path program 1 times [2022-10-15 21:55:50,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:50,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549902946] [2022-10-15 21:55:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:50,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:50,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549902946] [2022-10-15 21:55:50,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549902946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:50,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:50,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031225556] [2022-10-15 21:55:50,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:50,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:55:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:55:50,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:55:50,890 INFO L87 Difference]: Start difference. First operand 12642 states and 20014 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:51,659 INFO L93 Difference]: Finished difference Result 16878 states and 26670 transitions. [2022-10-15 21:55:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:55:51,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:55:51,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:51,701 INFO L225 Difference]: With dead ends: 16878 [2022-10-15 21:55:51,702 INFO L226 Difference]: Without dead ends: 16876 [2022-10-15 21:55:51,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:55:51,709 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 1479 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:51,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 665 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16876 states. [2022-10-15 21:55:52,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16876 to 16834. [2022-10-15 21:55:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16834 states, 16814 states have (on average 1.5709527774473653) internal successors, (26414), 16833 states have internal predecessors, (26414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16834 states to 16834 states and 26414 transitions. [2022-10-15 21:55:52,594 INFO L78 Accepts]: Start accepts. Automaton has 16834 states and 26414 transitions. Word has length 77 [2022-10-15 21:55:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:52,595 INFO L495 AbstractCegarLoop]: Abstraction has 16834 states and 26414 transitions. [2022-10-15 21:55:52,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16834 states and 26414 transitions. [2022-10-15 21:55:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 21:55:52,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:52,597 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] [2022-10-15 21:55:52,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:55:52,598 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:52,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:52,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1141068445, now seen corresponding path program 1 times [2022-10-15 21:55:52,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:52,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725702373] [2022-10-15 21:55:52,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:52,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:52,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:52,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725702373] [2022-10-15 21:55:52,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725702373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:52,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:52,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:55:52,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922090006] [2022-10-15 21:55:52,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:52,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:55:52,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:55:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:52,786 INFO L87 Difference]: Start difference. First operand 16834 states and 26414 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 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) [2022-10-15 21:55:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:54,219 INFO L93 Difference]: Finished difference Result 42060 states and 65966 transitions. [2022-10-15 21:55:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:55:54,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 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 [2022-10-15 21:55:54,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:54,315 INFO L225 Difference]: With dead ends: 42060 [2022-10-15 21:55:54,316 INFO L226 Difference]: Without dead ends: 25272 [2022-10-15 21:55:54,357 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 [2022-10-15 21:55:54,359 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1524 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:54,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 1359 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:55:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25272 states. [2022-10-15 21:55:55,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25272 to 18930. [2022-10-15 21:55:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18930 states, 18910 states have (on average 1.5542041248016922) internal successors, (29390), 18929 states have internal predecessors, (29390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18930 states to 18930 states and 29390 transitions. [2022-10-15 21:55:55,436 INFO L78 Accepts]: Start accepts. Automaton has 18930 states and 29390 transitions. Word has length 78 [2022-10-15 21:55:55,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:55,436 INFO L495 AbstractCegarLoop]: Abstraction has 18930 states and 29390 transitions. [2022-10-15 21:55:55,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 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) [2022-10-15 21:55:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 18930 states and 29390 transitions. [2022-10-15 21:55:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:55:55,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:55,438 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] [2022-10-15 21:55:55,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:55:55,438 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1013383984, now seen corresponding path program 1 times [2022-10-15 21:55:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:55,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024630512] [2022-10-15 21:55:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:55,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:55,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:55,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024630512] [2022-10-15 21:55:55,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024630512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:55,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:55,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:55:55,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055968232] [2022-10-15 21:55:55,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:55,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:55:55,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:55,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:55:55,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:55,583 INFO L87 Difference]: Start difference. First operand 18930 states and 29390 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 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) [2022-10-15 21:55:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:57,308 INFO L93 Difference]: Finished difference Result 33692 states and 52654 transitions. [2022-10-15 21:55:57,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 21:55:57,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 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 [2022-10-15 21:55:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:57,402 INFO L225 Difference]: With dead ends: 33692 [2022-10-15 21:55:57,403 INFO L226 Difference]: Without dead ends: 33690 [2022-10-15 21:55:57,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:55:57,420 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 2351 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:57,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 1198 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:55:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33690 states. [2022-10-15 21:55:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33690 to 33602. [2022-10-15 21:55:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33602 states, 33582 states have (on average 1.5507712465011019) internal successors, (52078), 33601 states have internal predecessors, (52078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33602 states to 33602 states and 52078 transitions. [2022-10-15 21:55:58,950 INFO L78 Accepts]: Start accepts. Automaton has 33602 states and 52078 transitions. Word has length 79 [2022-10-15 21:55:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:58,951 INFO L495 AbstractCegarLoop]: Abstraction has 33602 states and 52078 transitions. [2022-10-15 21:55:58,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 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) [2022-10-15 21:55:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 33602 states and 52078 transitions. [2022-10-15 21:55:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:55:58,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:58,952 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] [2022-10-15 21:55:58,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:55:58,952 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:58,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash 158397733, now seen corresponding path program 1 times [2022-10-15 21:55:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:58,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263964347] [2022-10-15 21:55:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:59,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:59,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263964347] [2022-10-15 21:55:59,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263964347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:59,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:59,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:59,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911063671] [2022-10-15 21:55:59,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:59,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:59,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:59,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:59,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:59,190 INFO L87 Difference]: Start difference. First operand 33602 states and 52078 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:00,658 INFO L93 Difference]: Finished difference Result 33672 states and 52167 transitions. [2022-10-15 21:56:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:00,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 21:56:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:00,763 INFO L225 Difference]: With dead ends: 33672 [2022-10-15 21:56:00,764 INFO L226 Difference]: Without dead ends: 33670 [2022-10-15 21:56:00,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:00,792 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 49 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:00,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 604 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33670 states. [2022-10-15 21:56:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33670 to 33670. [2022-10-15 21:56:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33670 states, 33650 states have (on average 1.550222882615156) internal successors, (52165), 33669 states have internal predecessors, (52165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33670 states to 33670 states and 52165 transitions. [2022-10-15 21:56:02,695 INFO L78 Accepts]: Start accepts. Automaton has 33670 states and 52165 transitions. Word has length 86 [2022-10-15 21:56:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:02,695 INFO L495 AbstractCegarLoop]: Abstraction has 33670 states and 52165 transitions. [2022-10-15 21:56:02,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 33670 states and 52165 transitions. [2022-10-15 21:56:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:56:02,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:02,697 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:02,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:56:02,697 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:02,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1359954060, now seen corresponding path program 1 times [2022-10-15 21:56:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:02,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054734584] [2022-10-15 21:56:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:02,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:02,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:02,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054734584] [2022-10-15 21:56:02,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054734584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:02,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:02,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:56:02,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090359751] [2022-10-15 21:56:02,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:02,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:02,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:02,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:02,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:02,784 INFO L87 Difference]: Start difference. First operand 33670 states and 52165 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:04,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:04,325 INFO L93 Difference]: Finished difference Result 33670 states and 52165 transitions. [2022-10-15 21:56:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:04,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-15 21:56:04,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:04,404 INFO L225 Difference]: With dead ends: 33670 [2022-10-15 21:56:04,404 INFO L226 Difference]: Without dead ends: 33669 [2022-10-15 21:56:04,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:04,418 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 117 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:04,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 200 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33669 states. [2022-10-15 21:56:06,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33669 to 33669. [2022-10-15 21:56:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33669 states, 33650 states have (on average 1.5426151560178305) internal successors, (51909), 33668 states have internal predecessors, (51909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33669 states to 33669 states and 51909 transitions. [2022-10-15 21:56:06,177 INFO L78 Accepts]: Start accepts. Automaton has 33669 states and 51909 transitions. Word has length 90 [2022-10-15 21:56:06,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:06,178 INFO L495 AbstractCegarLoop]: Abstraction has 33669 states and 51909 transitions. [2022-10-15 21:56:06,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 33669 states and 51909 transitions. [2022-10-15 21:56:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:56:06,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:06,180 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:06,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:56:06,181 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:06,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:06,181 INFO L85 PathProgramCache]: Analyzing trace with hash -791096834, now seen corresponding path program 1 times [2022-10-15 21:56:06,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:06,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660572409] [2022-10-15 21:56:06,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:06,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:56:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660572409] [2022-10-15 21:56:06,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660572409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:06,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:06,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:56:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205598300] [2022-10-15 21:56:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:06,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:06,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:06,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:06,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:06,308 INFO L87 Difference]: Start difference. First operand 33669 states and 51909 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:08,112 INFO L93 Difference]: Finished difference Result 33669 states and 51909 transitions. [2022-10-15 21:56:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:08,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:56:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:08,189 INFO L225 Difference]: With dead ends: 33669 [2022-10-15 21:56:08,189 INFO L226 Difference]: Without dead ends: 33668 [2022-10-15 21:56:08,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,207 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:08,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 200 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:08,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33668 states. [2022-10-15 21:56:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33668 to 33668. [2022-10-15 21:56:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33668 states, 33650 states have (on average 1.5350074294205052) internal successors, (51653), 33667 states have internal predecessors, (51653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33668 states to 33668 states and 51653 transitions. [2022-10-15 21:56:10,020 INFO L78 Accepts]: Start accepts. Automaton has 33668 states and 51653 transitions. Word has length 91 [2022-10-15 21:56:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:10,020 INFO L495 AbstractCegarLoop]: Abstraction has 33668 states and 51653 transitions. [2022-10-15 21:56:10,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 33668 states and 51653 transitions. [2022-10-15 21:56:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 21:56:10,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:10,027 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:10,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:56:10,028 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:10,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:10,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1638946364, now seen corresponding path program 1 times [2022-10-15 21:56:10,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:10,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301193278] [2022-10-15 21:56:10,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:10,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:10,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301193278] [2022-10-15 21:56:10,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301193278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:10,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:10,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:10,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302434707] [2022-10-15 21:56:10,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:10,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:10,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:10,131 INFO L87 Difference]: Start difference. First operand 33668 states and 51653 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:13,422 INFO L93 Difference]: Finished difference Result 99038 states and 151688 transitions. [2022-10-15 21:56:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:13,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-15 21:56:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:13,594 INFO L225 Difference]: With dead ends: 99038 [2022-10-15 21:56:13,594 INFO L226 Difference]: Without dead ends: 65484 [2022-10-15 21:56:13,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:13,663 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 108 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:13,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 411 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:13,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65484 states. [2022-10-15 21:56:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65484 to 65466. [2022-10-15 21:56:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65466 states, 65448 states have (on average 1.5226744896711892) internal successors, (99656), 65465 states have internal predecessors, (99656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65466 states to 65466 states and 99656 transitions. [2022-10-15 21:56:17,423 INFO L78 Accepts]: Start accepts. Automaton has 65466 states and 99656 transitions. Word has length 112 [2022-10-15 21:56:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:17,423 INFO L495 AbstractCegarLoop]: Abstraction has 65466 states and 99656 transitions. [2022-10-15 21:56:17,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 65466 states and 99656 transitions. [2022-10-15 21:56:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-15 21:56:17,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:17,430 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:17,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:56:17,431 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:17,431 INFO L85 PathProgramCache]: Analyzing trace with hash -261305523, now seen corresponding path program 1 times [2022-10-15 21:56:17,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:17,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589690048] [2022-10-15 21:56:17,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:17,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:56:17,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:17,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589690048] [2022-10-15 21:56:17,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589690048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:17,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:17,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:17,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270245437] [2022-10-15 21:56:17,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:17,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:17,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:17,843 INFO L87 Difference]: Start difference. First operand 65466 states and 99656 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:21,720 INFO L93 Difference]: Finished difference Result 89974 states and 137864 transitions. [2022-10-15 21:56:21,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:21,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 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 113 [2022-10-15 21:56:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:22,047 INFO L225 Difference]: With dead ends: 89974 [2022-10-15 21:56:22,047 INFO L226 Difference]: Without dead ends: 89972 [2022-10-15 21:56:22,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:22,081 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 245 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:22,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 592 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89972 states. [2022-10-15 21:56:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89972 to 73626. [2022-10-15 21:56:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73626 states, 73608 states have (on average 1.5268992500815128) internal successors, (112392), 73625 states have internal predecessors, (112392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73626 states to 73626 states and 112392 transitions. [2022-10-15 21:56:26,452 INFO L78 Accepts]: Start accepts. Automaton has 73626 states and 112392 transitions. Word has length 113 [2022-10-15 21:56:26,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:26,452 INFO L495 AbstractCegarLoop]: Abstraction has 73626 states and 112392 transitions. [2022-10-15 21:56:26,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 73626 states and 112392 transitions. [2022-10-15 21:56:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 21:56:26,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:26,460 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:26,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 21:56:26,461 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:26,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1983387630, now seen corresponding path program 1 times [2022-10-15 21:56:26,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:26,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823683154] [2022-10-15 21:56:26,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:26,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:26,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:26,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823683154] [2022-10-15 21:56:26,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823683154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:26,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:26,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:26,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974200782] [2022-10-15 21:56:26,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:26,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:26,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:26,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:26,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:26,560 INFO L87 Difference]: Start difference. First operand 73626 states and 112392 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:33,083 INFO L93 Difference]: Finished difference Result 216600 states and 329972 transitions. [2022-10-15 21:56:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:33,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-15 21:56:33,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:33,497 INFO L225 Difference]: With dead ends: 216600 [2022-10-15 21:56:33,497 INFO L226 Difference]: Without dead ends: 143142 [2022-10-15 21:56:33,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:33,591 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 109 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:33,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 424 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:33,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143142 states.