/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:27:34,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:27:34,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:27:34,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:27:34,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:27:34,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:27:34,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:27:34,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:27:34,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:27:34,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:27:34,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:27:34,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:27:34,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:27:34,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:27:34,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:27:34,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:27:34,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:27:34,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:27:34,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:27:34,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:27:34,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:27:34,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:27:34,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:27:34,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:27:34,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:27:34,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:27:34,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:27:34,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:27:34,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:27:34,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:27:34,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:27:34,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:27:34,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:27:34,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:27:34,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:27:34,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:27:34,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:27:34,693 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:27:34,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:27:34,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:27:34,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:27:34,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:27:34,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:27:34,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:27:34,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:27:34,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:27:34,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:27:34,696 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:27:34,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:27:34,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:27:34,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:27:34,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:27:34,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:27:34,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:27:34,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:27:34,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:27:34,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:27:34,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:27:34,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:27:34,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:27:34,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:27:34,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:27:34,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:27:35,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:27:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:27:35,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:27:35,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:27:35,117 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:27:35,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:27:35,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0e9b5ec/a1673e492245464884c0f6fb820031f0/FLAG634cb6ed7 [2022-10-16 16:27:35,945 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:27:35,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:27:35,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0e9b5ec/a1673e492245464884c0f6fb820031f0/FLAG634cb6ed7 [2022-10-16 16:27:36,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e0e9b5ec/a1673e492245464884c0f6fb820031f0 [2022-10-16 16:27:36,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:27:36,221 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:27:36,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:27:36,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:27:36,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:27:36,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:27:36" (1/1) ... [2022-10-16 16:27:36,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764c9279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:36, skipping insertion in model container [2022-10-16 16:27:36,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:27:36" (1/1) ... [2022-10-16 16:27:36,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:27:36,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:27:36,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[14220,14233] [2022-10-16 16:27:37,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:27:37,091 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:27:37,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[14220,14233] [2022-10-16 16:27:37,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:27:37,341 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:27:37,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37 WrapperNode [2022-10-16 16:27:37,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:27:37,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:27:37,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:27:37,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:27:37,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,517 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1336 [2022-10-16 16:27:37,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:27:37,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:27:37,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:27:37,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:27:37,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:27:37,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:27:37,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:27:37,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:27:37,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (1/1) ... [2022-10-16 16:27:37,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:27:37,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:27:37,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:27:37,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:27:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:27:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:27:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:27:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:27:37,892 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:27:37,894 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:27:39,297 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:27:39,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:27:39,312 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:27:39,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:27:39 BoogieIcfgContainer [2022-10-16 16:27:39,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:27:39,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:27:39,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:27:39,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:27:39,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:27:36" (1/3) ... [2022-10-16 16:27:39,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed7db2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:27:39, skipping insertion in model container [2022-10-16 16:27:39,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:27:37" (2/3) ... [2022-10-16 16:27:39,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed7db2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:27:39, skipping insertion in model container [2022-10-16 16:27:39,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:27:39" (3/3) ... [2022-10-16 16:27:39,327 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:27:39,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:27:39,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2022-10-16 16:27:39,432 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:27:39,445 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;@42d42539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:27:39,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2022-10-16 16:27:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 468 states have (on average 1.7628205128205128) internal successors, (825), 608 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:27:39,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:39,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:39,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:39,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:39,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1778590858, now seen corresponding path program 1 times [2022-10-16 16:27:39,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:39,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369363168] [2022-10-16 16:27:39,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:39,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:39,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:39,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369363168] [2022-10-16 16:27:39,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369363168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:39,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:39,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:39,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118794628] [2022-10-16 16:27:39,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:39,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:27:39,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:39,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:27:39,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:27:39,924 INFO L87 Difference]: Start difference. First operand has 609 states, 468 states have (on average 1.7628205128205128) internal successors, (825), 608 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:40,148 INFO L93 Difference]: Finished difference Result 1189 states and 1590 transitions. [2022-10-16 16:27:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:40,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 16:27:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:40,176 INFO L225 Difference]: With dead ends: 1189 [2022-10-16 16:27:40,176 INFO L226 Difference]: Without dead ends: 604 [2022-10-16 16:27:40,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:40,188 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 156 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 2239 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:40,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 2239 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:27:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-10-16 16:27:40,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2022-10-16 16:27:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 466 states have (on average 1.6716738197424892) internal successors, (779), 603 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 779 transitions. [2022-10-16 16:27:40,285 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 779 transitions. Word has length 8 [2022-10-16 16:27:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:40,286 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 779 transitions. [2022-10-16 16:27:40,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 779 transitions. [2022-10-16 16:27:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:27:40,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:40,288 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] [2022-10-16 16:27:40,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:27:40,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1711284746, now seen corresponding path program 1 times [2022-10-16 16:27:40,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:40,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715962919] [2022-10-16 16:27:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:40,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:40,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715962919] [2022-10-16 16:27:40,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715962919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:40,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:40,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:40,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672401329] [2022-10-16 16:27:40,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:40,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:27:40,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:40,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:27:40,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:40,516 INFO L87 Difference]: Start difference. First operand 604 states and 779 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:40,705 INFO L93 Difference]: Finished difference Result 1566 states and 2029 transitions. [2022-10-16 16:27:40,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:27:40,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 16:27:40,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:40,712 INFO L225 Difference]: With dead ends: 1566 [2022-10-16 16:27:40,713 INFO L226 Difference]: Without dead ends: 1003 [2022-10-16 16:27:40,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:40,716 INFO L413 NwaCegarLoop]: 1286 mSDtfsCounter, 546 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:40,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 1978 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:27:40,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2022-10-16 16:27:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 899. [2022-10-16 16:27:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 763 states have (on average 1.690694626474443) internal successors, (1290), 898 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1290 transitions. [2022-10-16 16:27:40,773 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1290 transitions. Word has length 38 [2022-10-16 16:27:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:40,773 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1290 transitions. [2022-10-16 16:27:40,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1290 transitions. [2022-10-16 16:27:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:27:40,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:40,776 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] [2022-10-16 16:27:40,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:27:40,777 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1817720864, now seen corresponding path program 1 times [2022-10-16 16:27:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:40,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125868307] [2022-10-16 16:27:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:40,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:40,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:40,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125868307] [2022-10-16 16:27:40,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125868307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:40,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:40,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:40,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513418430] [2022-10-16 16:27:40,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:40,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:27:40,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:27:40,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:40,981 INFO L87 Difference]: Start difference. First operand 899 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:41,111 INFO L93 Difference]: Finished difference Result 2425 states and 3511 transitions. [2022-10-16 16:27:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:27:41,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 16:27:41,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:41,122 INFO L225 Difference]: With dead ends: 2425 [2022-10-16 16:27:41,122 INFO L226 Difference]: Without dead ends: 1573 [2022-10-16 16:27:41,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:41,126 INFO L413 NwaCegarLoop]: 1003 mSDtfsCounter, 547 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:41,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 1683 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:27:41,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-10-16 16:27:41,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1463. [2022-10-16 16:27:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1327 states have (on average 1.7076111529766391) internal successors, (2266), 1462 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2266 transitions. [2022-10-16 16:27:41,213 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2266 transitions. Word has length 58 [2022-10-16 16:27:41,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:41,214 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2266 transitions. [2022-10-16 16:27:41,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2266 transitions. [2022-10-16 16:27:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:27:41,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:41,217 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] [2022-10-16 16:27:41,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:27:41,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:41,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash -750983899, now seen corresponding path program 1 times [2022-10-16 16:27:41,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:41,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386643815] [2022-10-16 16:27:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:41,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:41,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386643815] [2022-10-16 16:27:41,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386643815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:41,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:41,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:41,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439656463] [2022-10-16 16:27:41,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:41,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:27:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:41,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:27:41,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:41,393 INFO L87 Difference]: Start difference. First operand 1463 states and 2266 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:41,606 INFO L93 Difference]: Finished difference Result 4027 states and 6297 transitions. [2022-10-16 16:27:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:27:41,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 16:27:41,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:41,622 INFO L225 Difference]: With dead ends: 4027 [2022-10-16 16:27:41,622 INFO L226 Difference]: Without dead ends: 2617 [2022-10-16 16:27:41,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:41,627 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 535 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:41,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1415 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:27:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2022-10-16 16:27:41,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2507. [2022-10-16 16:27:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 2371 states have (on average 1.7199493884436947) internal successors, (4078), 2506 states have internal predecessors, (4078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 4078 transitions. [2022-10-16 16:27:41,803 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 4078 transitions. Word has length 59 [2022-10-16 16:27:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:41,804 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 4078 transitions. [2022-10-16 16:27:41,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 4078 transitions. [2022-10-16 16:27:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:27:41,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:41,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:41,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:27:41,806 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:41,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1296543492, now seen corresponding path program 1 times [2022-10-16 16:27:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:41,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024711230] [2022-10-16 16:27:41,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:41,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:41,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:41,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024711230] [2022-10-16 16:27:41,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024711230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:41,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:41,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:41,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958457029] [2022-10-16 16:27:41,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:41,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:27:41,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:41,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:27:41,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:41,896 INFO L87 Difference]: Start difference. First operand 2507 states and 4078 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:42,263 INFO L93 Difference]: Finished difference Result 6981 states and 11449 transitions. [2022-10-16 16:27:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:27:42,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 16:27:42,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:42,292 INFO L225 Difference]: With dead ends: 6981 [2022-10-16 16:27:42,293 INFO L226 Difference]: Without dead ends: 4533 [2022-10-16 16:27:42,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:42,304 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 521 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:42,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1530 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:27:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4533 states. [2022-10-16 16:27:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4533 to 4423. [2022-10-16 16:27:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 4287 states have (on average 1.7294145089806392) internal successors, (7414), 4422 states have internal predecessors, (7414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 7414 transitions. [2022-10-16 16:27:42,718 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 7414 transitions. Word has length 60 [2022-10-16 16:27:42,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:42,718 INFO L495 AbstractCegarLoop]: Abstraction has 4423 states and 7414 transitions. [2022-10-16 16:27:42,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 7414 transitions. [2022-10-16 16:27:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:27:42,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:42,720 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] [2022-10-16 16:27:42,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:27:42,721 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:42,722 INFO L85 PathProgramCache]: Analyzing trace with hash 79799623, now seen corresponding path program 1 times [2022-10-16 16:27:42,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:42,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668349156] [2022-10-16 16:27:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:42,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:42,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668349156] [2022-10-16 16:27:42,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668349156] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:42,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:42,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59283560] [2022-10-16 16:27:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:42,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:27:42,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:42,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:27:42,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:42,813 INFO L87 Difference]: Start difference. First operand 4423 states and 7414 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:43,394 INFO L93 Difference]: Finished difference Result 12375 states and 20889 transitions. [2022-10-16 16:27:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:27:43,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 16:27:43,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:43,441 INFO L225 Difference]: With dead ends: 12375 [2022-10-16 16:27:43,441 INFO L226 Difference]: Without dead ends: 8017 [2022-10-16 16:27:43,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:27:43,451 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 508 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:43,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1510 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:27:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8017 states. [2022-10-16 16:27:44,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8017 to 7907. [2022-10-16 16:27:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7907 states, 7771 states have (on average 1.7374855230987003) internal successors, (13502), 7906 states have internal predecessors, (13502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7907 states to 7907 states and 13502 transitions. [2022-10-16 16:27:44,062 INFO L78 Accepts]: Start accepts. Automaton has 7907 states and 13502 transitions. Word has length 61 [2022-10-16 16:27:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:44,062 INFO L495 AbstractCegarLoop]: Abstraction has 7907 states and 13502 transitions. [2022-10-16 16:27:44,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 7907 states and 13502 transitions. [2022-10-16 16:27:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:27:44,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:44,070 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] [2022-10-16 16:27:44,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:27:44,070 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash -523441776, now seen corresponding path program 1 times [2022-10-16 16:27:44,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:44,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266781469] [2022-10-16 16:27:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:44,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:44,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266781469] [2022-10-16 16:27:44,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266781469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:44,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:44,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:44,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592614336] [2022-10-16 16:27:44,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:44,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:27:44,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:44,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:27:44,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:27:44,322 INFO L87 Difference]: Start difference. First operand 7907 states and 13502 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:46,242 INFO L93 Difference]: Finished difference Result 21734 states and 37089 transitions. [2022-10-16 16:27:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:46,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 16:27:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:46,353 INFO L225 Difference]: With dead ends: 21734 [2022-10-16 16:27:46,354 INFO L226 Difference]: Without dead ends: 21719 [2022-10-16 16:27:46,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:46,368 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1911 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:46,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1911 Valid, 1178 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:27:46,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21719 states. [2022-10-16 16:27:47,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21719 to 15158. [2022-10-16 16:27:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15158 states, 15025 states have (on average 1.71108153078203) internal successors, (25709), 15157 states have internal predecessors, (25709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15158 states to 15158 states and 25709 transitions. [2022-10-16 16:27:47,715 INFO L78 Accepts]: Start accepts. Automaton has 15158 states and 25709 transitions. Word has length 62 [2022-10-16 16:27:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:47,717 INFO L495 AbstractCegarLoop]: Abstraction has 15158 states and 25709 transitions. [2022-10-16 16:27:47,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 15158 states and 25709 transitions. [2022-10-16 16:27:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:27:47,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:47,721 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] [2022-10-16 16:27:47,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:27:47,722 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:47,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash 953174334, now seen corresponding path program 1 times [2022-10-16 16:27:47,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:47,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590591028] [2022-10-16 16:27:47,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:47,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:47,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590591028] [2022-10-16 16:27:47,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590591028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:47,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:47,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:27:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255061502] [2022-10-16 16:27:47,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:47,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:27:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:27:47,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:27:47,895 INFO L87 Difference]: Start difference. First operand 15158 states and 25709 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:49,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:49,863 INFO L93 Difference]: Finished difference Result 21621 states and 36702 transitions. [2022-10-16 16:27:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:27:49,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:27:49,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:49,927 INFO L225 Difference]: With dead ends: 21621 [2022-10-16 16:27:49,927 INFO L226 Difference]: Without dead ends: 21606 [2022-10-16 16:27:49,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:49,938 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1917 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:49,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 817 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:27:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21606 states. [2022-10-16 16:27:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21606 to 21522. [2022-10-16 16:27:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21522 states, 21392 states have (on average 1.681890426327599) internal successors, (35979), 21521 states have internal predecessors, (35979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21522 states to 21522 states and 35979 transitions. [2022-10-16 16:27:51,795 INFO L78 Accepts]: Start accepts. Automaton has 21522 states and 35979 transitions. Word has length 63 [2022-10-16 16:27:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:51,795 INFO L495 AbstractCegarLoop]: Abstraction has 21522 states and 35979 transitions. [2022-10-16 16:27:51,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 21522 states and 35979 transitions. [2022-10-16 16:27:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:27:51,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:51,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:51,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:27:51,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:51,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:51,798 INFO L85 PathProgramCache]: Analyzing trace with hash -516366510, now seen corresponding path program 1 times [2022-10-16 16:27:51,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:51,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490696805] [2022-10-16 16:27:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:51,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:51,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:51,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490696805] [2022-10-16 16:27:51,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490696805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:51,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:51,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:51,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89950449] [2022-10-16 16:27:51,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:51,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:51,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:51,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:51,919 INFO L87 Difference]: Start difference. First operand 21522 states and 35979 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:54,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:54,868 INFO L93 Difference]: Finished difference Result 34309 states and 56744 transitions. [2022-10-16 16:27:54,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:27:54,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 16:27:54,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:54,975 INFO L225 Difference]: With dead ends: 34309 [2022-10-16 16:27:54,975 INFO L226 Difference]: Without dead ends: 34294 [2022-10-16 16:27:54,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:27:54,991 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 3416 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:54,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3416 Valid, 1609 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:27:55,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34294 states. [2022-10-16 16:27:57,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34294 to 28171. [2022-10-16 16:27:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28171 states, 28044 states have (on average 1.6572528883183568) internal successors, (46476), 28170 states have internal predecessors, (46476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28171 states to 28171 states and 46476 transitions. [2022-10-16 16:27:57,204 INFO L78 Accepts]: Start accepts. Automaton has 28171 states and 46476 transitions. Word has length 64 [2022-10-16 16:27:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:57,204 INFO L495 AbstractCegarLoop]: Abstraction has 28171 states and 46476 transitions. [2022-10-16 16:27:57,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 28171 states and 46476 transitions. [2022-10-16 16:27:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:27:57,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:57,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:57,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:27:57,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:27:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:57,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1172507584, now seen corresponding path program 1 times [2022-10-16 16:27:57,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:57,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995643999] [2022-10-16 16:27:57,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:57,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:57,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995643999] [2022-10-16 16:27:57,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995643999] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:57,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:57,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:57,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681912927] [2022-10-16 16:27:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:57,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:57,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:57,322 INFO L87 Difference]: Start difference. First operand 28171 states and 46476 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:59,925 INFO L93 Difference]: Finished difference Result 34067 states and 56126 transitions. [2022-10-16 16:27:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:59,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 16:27:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:00,030 INFO L225 Difference]: With dead ends: 34067 [2022-10-16 16:28:00,030 INFO L226 Difference]: Without dead ends: 34052 [2022-10-16 16:28:00,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:28:00,043 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 3597 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:00,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 1178 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:28:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34052 states. [2022-10-16 16:28:01,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34052 to 33894. [2022-10-16 16:28:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33894 states, 33770 states have (on average 1.6320698845128812) internal successors, (55115), 33893 states have internal predecessors, (55115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33894 states to 33894 states and 55115 transitions. [2022-10-16 16:28:01,996 INFO L78 Accepts]: Start accepts. Automaton has 33894 states and 55115 transitions. Word has length 65 [2022-10-16 16:28:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:01,997 INFO L495 AbstractCegarLoop]: Abstraction has 33894 states and 55115 transitions. [2022-10-16 16:28:01,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 33894 states and 55115 transitions. [2022-10-16 16:28:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:28:01,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:01,998 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] [2022-10-16 16:28:01,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:28:01,999 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:28:01,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:01,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1987996948, now seen corresponding path program 1 times [2022-10-16 16:28:02,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:02,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413746464] [2022-10-16 16:28:02,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:02,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:02,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:02,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413746464] [2022-10-16 16:28:02,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413746464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:02,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:02,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:02,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524979145] [2022-10-16 16:28:02,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:02,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:02,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:02,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:02,128 INFO L87 Difference]: Start difference. First operand 33894 states and 55115 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:05,830 INFO L93 Difference]: Finished difference Result 51666 states and 83325 transitions. [2022-10-16 16:28:05,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:28:05,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:28:05,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:05,983 INFO L225 Difference]: With dead ends: 51666 [2022-10-16 16:28:05,983 INFO L226 Difference]: Without dead ends: 51651 [2022-10-16 16:28:05,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:28:05,997 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 4840 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4840 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:05,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4840 Valid, 2129 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:28:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51651 states. [2022-10-16 16:28:08,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51651 to 40411. [2022-10-16 16:28:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40411 states, 40290 states have (on average 1.6067510548523207) internal successors, (64736), 40410 states have internal predecessors, (64736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40411 states to 40411 states and 64736 transitions. [2022-10-16 16:28:08,454 INFO L78 Accepts]: Start accepts. Automaton has 40411 states and 64736 transitions. Word has length 66 [2022-10-16 16:28:08,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:08,454 INFO L495 AbstractCegarLoop]: Abstraction has 40411 states and 64736 transitions. [2022-10-16 16:28:08,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 40411 states and 64736 transitions. [2022-10-16 16:28:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:28:08,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:08,456 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] [2022-10-16 16:28:08,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:28:08,456 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:28:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1498363458, now seen corresponding path program 1 times [2022-10-16 16:28:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:08,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104142310] [2022-10-16 16:28:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:08,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:08,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104142310] [2022-10-16 16:28:08,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104142310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:08,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:08,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:08,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050218555] [2022-10-16 16:28:08,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:08,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:08,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:08,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:08,625 INFO L87 Difference]: Start difference. First operand 40411 states and 64736 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:12,027 INFO L93 Difference]: Finished difference Result 51117 states and 81610 transitions. [2022-10-16 16:28:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:28:12,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:28:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:12,155 INFO L225 Difference]: With dead ends: 51117 [2022-10-16 16:28:12,156 INFO L226 Difference]: Without dead ends: 51102 [2022-10-16 16:28:12,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:28:12,173 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 5417 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:12,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 1595 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:28:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51102 states. [2022-10-16 16:28:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51102 to 50882. [2022-10-16 16:28:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50882 states, 50764 states have (on average 1.5827554960208021) internal successors, (80347), 50881 states have internal predecessors, (80347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50882 states to 50882 states and 80347 transitions. [2022-10-16 16:28:15,480 INFO L78 Accepts]: Start accepts. Automaton has 50882 states and 80347 transitions. Word has length 67 [2022-10-16 16:28:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:15,481 INFO L495 AbstractCegarLoop]: Abstraction has 50882 states and 80347 transitions. [2022-10-16 16:28:15,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 50882 states and 80347 transitions. [2022-10-16 16:28:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:28:15,482 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:15,482 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] [2022-10-16 16:28:15,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:28:15,482 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:28:15,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:15,483 INFO L85 PathProgramCache]: Analyzing trace with hash -795372842, now seen corresponding path program 1 times [2022-10-16 16:28:15,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:15,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730593369] [2022-10-16 16:28:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:15,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:15,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:15,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730593369] [2022-10-16 16:28:15,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730593369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:15,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:15,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:28:15,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428049541] [2022-10-16 16:28:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:15,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:28:15,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:15,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:28:15,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:28:15,625 INFO L87 Difference]: Start difference. First operand 50882 states and 80347 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 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) [2022-10-16 16:28:24,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:24,839 INFO L93 Difference]: Finished difference Result 174940 states and 277259 transitions. [2022-10-16 16:28:24,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:28:24,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 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 [2022-10-16 16:28:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:25,146 INFO L225 Difference]: With dead ends: 174940 [2022-10-16 16:28:25,146 INFO L226 Difference]: Without dead ends: 124156 [2022-10-16 16:28:25,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:28:25,301 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 5682 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 2709 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5682 SdHoareTripleChecker+Valid, 4848 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:25,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5682 Valid, 4848 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2709 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:28:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124156 states. [2022-10-16 16:28:31,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124156 to 94323. [2022-10-16 16:28:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94323 states, 94208 states have (on average 1.5421407948369565) internal successors, (145282), 94322 states have internal predecessors, (145282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94323 states to 94323 states and 145282 transitions. [2022-10-16 16:28:31,954 INFO L78 Accepts]: Start accepts. Automaton has 94323 states and 145282 transitions. Word has length 68 [2022-10-16 16:28:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:31,955 INFO L495 AbstractCegarLoop]: Abstraction has 94323 states and 145282 transitions. [2022-10-16 16:28:31,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 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) [2022-10-16 16:28:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 94323 states and 145282 transitions. [2022-10-16 16:28:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:28:31,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:31,956 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] [2022-10-16 16:28:31,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:28:31,957 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:28:31,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:31,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1113245892, now seen corresponding path program 1 times [2022-10-16 16:28:31,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:31,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941805778] [2022-10-16 16:28:31,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:31,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:32,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:32,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941805778] [2022-10-16 16:28:32,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941805778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:32,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:32,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:28:32,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58871181] [2022-10-16 16:28:32,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:32,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:28:32,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:32,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:28:32,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:28:32,154 INFO L87 Difference]: Start difference. First operand 94323 states and 145282 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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) [2022-10-16 16:28:41,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:41,350 INFO L93 Difference]: Finished difference Result 131053 states and 203178 transitions. [2022-10-16 16:28:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:28:41,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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 [2022-10-16 16:28:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:41,634 INFO L225 Difference]: With dead ends: 131053 [2022-10-16 16:28:41,634 INFO L226 Difference]: Without dead ends: 131038 [2022-10-16 16:28:41,674 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 [2022-10-16 16:28:41,678 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 9342 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9342 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:41,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9342 Valid, 2441 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:28:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131038 states. [2022-10-16 16:28:49,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131038 to 130608. [2022-10-16 16:28:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130608 states, 130496 states have (on average 1.524667422756253) internal successors, (198963), 130607 states have internal predecessors, (198963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130608 states to 130608 states and 198963 transitions. [2022-10-16 16:28:50,572 INFO L78 Accepts]: Start accepts. Automaton has 130608 states and 198963 transitions. Word has length 69 [2022-10-16 16:28:50,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:50,572 INFO L495 AbstractCegarLoop]: Abstraction has 130608 states and 198963 transitions. [2022-10-16 16:28:50,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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) [2022-10-16 16:28:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 130608 states and 198963 transitions. [2022-10-16 16:28:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:28:50,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:50,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:50,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:28:50,574 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:28:50,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:50,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1916433520, now seen corresponding path program 1 times [2022-10-16 16:28:50,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:50,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597527221] [2022-10-16 16:28:50,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:50,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:50,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597527221] [2022-10-16 16:28:50,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597527221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:50,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:50,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:28:50,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566065955] [2022-10-16 16:28:50,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:50,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:28:50,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:50,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:28:50,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:28:50,662 INFO L87 Difference]: Start difference. First operand 130608 states and 198963 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:01,797 INFO L93 Difference]: Finished difference Result 305069 states and 464136 transitions. [2022-10-16 16:29:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:29:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:02,153 INFO L225 Difference]: With dead ends: 305069 [2022-10-16 16:29:02,154 INFO L226 Difference]: Without dead ends: 174546 [2022-10-16 16:29:02,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:02,296 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 504 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:02,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1233 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174546 states. [2022-10-16 16:29:13,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174546 to 173890. [2022-10-16 16:29:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173890 states, 173780 states have (on average 1.508223040626079) internal successors, (262099), 173889 states have internal predecessors, (262099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173890 states to 173890 states and 262099 transitions. [2022-10-16 16:29:14,815 INFO L78 Accepts]: Start accepts. Automaton has 173890 states and 262099 transitions. Word has length 79 [2022-10-16 16:29:14,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:14,816 INFO L495 AbstractCegarLoop]: Abstraction has 173890 states and 262099 transitions. [2022-10-16 16:29:14,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 173890 states and 262099 transitions. [2022-10-16 16:29:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:29:14,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:14,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:14,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:29:14,817 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2022-10-16 16:29:14,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:14,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1633114702, now seen corresponding path program 1 times [2022-10-16 16:29:14,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:14,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373099272] [2022-10-16 16:29:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:15,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:15,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373099272] [2022-10-16 16:29:15,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373099272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:15,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:15,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:29:15,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911037934] [2022-10-16 16:29:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:15,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:29:15,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:15,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:29:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:29:15,229 INFO L87 Difference]: Start difference. First operand 173890 states and 262099 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)