/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:56:20,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:56:20,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:56:20,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:56:20,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:56:20,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:56:20,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:56:20,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:56:20,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:56:20,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:56:20,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:56:20,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:56:20,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:56:20,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:56:20,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:56:20,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:56:20,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:56:20,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:56:20,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:56:20,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:56:20,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:56:20,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:56:20,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:56:20,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:56:20,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:56:20,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:56:20,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:56:20,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:56:20,539 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 15:56:20,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:56:20,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:56:20,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:56:20,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:56:20,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:56:20,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:56:20,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:56:20,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:56:20,572 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:56:20,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:56:20,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:56:20,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:56:20,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:56:20,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:56:20,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:56:20,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:56:20,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:56:20,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:56:20,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:56:20,574 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:56:20,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:56:20,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:56:20,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:56:20,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:56:20,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:56:20,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:56:20,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:56:20,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:56:20,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:56:20,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:56:20,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:56:20,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:56:20,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:56:20,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:56:20,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:56:20,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:56:20,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:56:20,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:56:20,971 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:56:20,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:56:21,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77a42241/1b042de515aa4249bb0dba0e4f88592d/FLAG1eaf0a8d3 [2022-10-16 15:56:21,647 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:56:21,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:56:21,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77a42241/1b042de515aa4249bb0dba0e4f88592d/FLAG1eaf0a8d3 [2022-10-16 15:56:21,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77a42241/1b042de515aa4249bb0dba0e4f88592d [2022-10-16 15:56:21,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:56:21,999 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:56:22,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:56:22,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:56:22,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:56:22,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:56:21" (1/1) ... [2022-10-16 15:56:22,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7127bd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22, skipping insertion in model container [2022-10-16 15:56:22,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:56:21" (1/1) ... [2022-10-16 15:56:22,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:56:22,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:56:22,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4411,4424] [2022-10-16 15:56:22,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:56:22,286 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:56:22,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4411,4424] [2022-10-16 15:56:22,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:56:22,361 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:56:22,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22 WrapperNode [2022-10-16 15:56:22,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:56:22,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:56:22,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:56:22,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:56:22,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,419 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 343 [2022-10-16 15:56:22,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:56:22,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:56:22,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:56:22,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:56:22,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:56:22,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:56:22,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:56:22,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:56:22,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (1/1) ... [2022-10-16 15:56:22,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:56:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:56:22,525 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 15:56:22,546 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 15:56:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:56:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:56:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:56:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:56:22,789 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:56:22,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:56:23,337 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:56:23,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:56:23,349 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:56:23,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:56:23 BoogieIcfgContainer [2022-10-16 15:56:23,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:56:23,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:56:23,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:56:23,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:56:23,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:56:21" (1/3) ... [2022-10-16 15:56:23,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645bafff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:56:23, skipping insertion in model container [2022-10-16 15:56:23,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:56:22" (2/3) ... [2022-10-16 15:56:23,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645bafff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:56:23, skipping insertion in model container [2022-10-16 15:56:23,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:56:23" (3/3) ... [2022-10-16 15:56:23,363 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 15:56:23,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:56:23,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 15:56:23,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:56:23,472 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;@7c3e364c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:56:23,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 15:56:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 97 states have (on average 1.7216494845360826) internal successors, (167), 111 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:56:23,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:23,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:56:23,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:23,497 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:56:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:23,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256447871] [2022-10-16 15:56:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:23,723 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 15:56:23,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:23,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256447871] [2022-10-16 15:56:23,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256447871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:23,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:23,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:56:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447357607] [2022-10-16 15:56:23,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:23,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:56:23,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:23,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:56:23,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:56:23,774 INFO L87 Difference]: Start difference. First operand has 112 states, 97 states have (on average 1.7216494845360826) internal successors, (167), 111 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:23,803 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2022-10-16 15:56:23,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:56:23,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 15:56:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:23,820 INFO L225 Difference]: With dead ends: 115 [2022-10-16 15:56:23,820 INFO L226 Difference]: Without dead ends: 103 [2022-10-16 15:56:23,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:56:23,828 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:23,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:23,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-10-16 15:56:23,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-10-16 15:56:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 102 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2022-10-16 15:56:23,883 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 4 [2022-10-16 15:56:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:23,884 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2022-10-16 15:56:23,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2022-10-16 15:56:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 15:56:23,886 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:23,887 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] [2022-10-16 15:56:23,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:56:23,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:23,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash -638653898, now seen corresponding path program 1 times [2022-10-16 15:56:23,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:23,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800128575] [2022-10-16 15:56:23,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:24,117 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 15:56:24,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:24,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800128575] [2022-10-16 15:56:24,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800128575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:24,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:24,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:24,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904322321] [2022-10-16 15:56:24,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:24,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:24,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:24,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:24,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:24,123 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:24,209 INFO L93 Difference]: Finished difference Result 245 states and 346 transitions. [2022-10-16 15:56:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:24,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-16 15:56:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:24,213 INFO L225 Difference]: With dead ends: 245 [2022-10-16 15:56:24,213 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 15:56:24,214 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 15:56:24,216 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 99 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:24,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 302 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 15:56:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2022-10-16 15:56:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 157 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 229 transitions. [2022-10-16 15:56:24,245 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 229 transitions. Word has length 39 [2022-10-16 15:56:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:24,246 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 229 transitions. [2022-10-16 15:56:24,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2022-10-16 15:56:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 15:56:24,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:24,248 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] [2022-10-16 15:56:24,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:56:24,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:24,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash -806996661, now seen corresponding path program 1 times [2022-10-16 15:56:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:24,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119359026] [2022-10-16 15:56:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:24,390 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 15:56:24,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:24,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119359026] [2022-10-16 15:56:24,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119359026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:24,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:24,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29836271] [2022-10-16 15:56:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:24,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:24,394 INFO L87 Difference]: Start difference. First operand 158 states and 229 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:24,475 INFO L93 Difference]: Finished difference Result 394 states and 587 transitions. [2022-10-16 15:56:24,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:24,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 15:56:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:24,485 INFO L225 Difference]: With dead ends: 394 [2022-10-16 15:56:24,485 INFO L226 Difference]: Without dead ends: 260 [2022-10-16 15:56:24,487 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 15:56:24,489 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 94 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:24,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 287 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:24,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-10-16 15:56:24,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2022-10-16 15:56:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 244 states have (on average 1.5573770491803278) internal successors, (380), 251 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 380 transitions. [2022-10-16 15:56:24,540 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 380 transitions. Word has length 40 [2022-10-16 15:56:24,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:24,541 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 380 transitions. [2022-10-16 15:56:24,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 380 transitions. [2022-10-16 15:56:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 15:56:24,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:24,543 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] [2022-10-16 15:56:24,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:56:24,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:24,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:24,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1685721205, now seen corresponding path program 1 times [2022-10-16 15:56:24,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:24,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899623907] [2022-10-16 15:56:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:24,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:24,749 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 15:56:24,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899623907] [2022-10-16 15:56:24,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899623907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:24,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:24,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:24,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469748490] [2022-10-16 15:56:24,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:24,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:24,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:24,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:24,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:24,757 INFO L87 Difference]: Start difference. First operand 252 states and 380 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:24,975 INFO L93 Difference]: Finished difference Result 706 states and 1092 transitions. [2022-10-16 15:56:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:24,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 15:56:24,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:24,981 INFO L225 Difference]: With dead ends: 706 [2022-10-16 15:56:24,981 INFO L226 Difference]: Without dead ends: 704 [2022-10-16 15:56:24,982 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 15:56:24,984 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 335 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:24,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 411 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:24,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-10-16 15:56:25,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 472. [2022-10-16 15:56:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 464 states have (on average 1.5689655172413792) internal successors, (728), 471 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 728 transitions. [2022-10-16 15:56:25,094 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 728 transitions. Word has length 41 [2022-10-16 15:56:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:25,095 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 728 transitions. [2022-10-16 15:56:25,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 728 transitions. [2022-10-16 15:56:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 15:56:25,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:25,105 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] [2022-10-16 15:56:25,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:56:25,106 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:25,107 INFO L85 PathProgramCache]: Analyzing trace with hash -717749647, now seen corresponding path program 1 times [2022-10-16 15:56:25,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:25,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484083857] [2022-10-16 15:56:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:25,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:25,313 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 15:56:25,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:25,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484083857] [2022-10-16 15:56:25,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484083857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:25,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:25,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:25,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666934977] [2022-10-16 15:56:25,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:25,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:25,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:25,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:25,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:25,317 INFO L87 Difference]: Start difference. First operand 472 states and 728 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:25,458 INFO L93 Difference]: Finished difference Result 698 states and 1084 transitions. [2022-10-16 15:56:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:25,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-10-16 15:56:25,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:25,464 INFO L225 Difference]: With dead ends: 698 [2022-10-16 15:56:25,464 INFO L226 Difference]: Without dead ends: 696 [2022-10-16 15:56:25,465 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 15:56:25,467 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 330 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:25,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 231 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:25,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-10-16 15:56:25,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 692. [2022-10-16 15:56:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 684 states have (on average 1.5614035087719298) internal successors, (1068), 691 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1068 transitions. [2022-10-16 15:56:25,543 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1068 transitions. Word has length 42 [2022-10-16 15:56:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:25,543 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1068 transitions. [2022-10-16 15:56:25,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1068 transitions. [2022-10-16 15:56:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 15:56:25,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:25,545 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] [2022-10-16 15:56:25,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:56:25,546 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:25,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash -775402419, now seen corresponding path program 1 times [2022-10-16 15:56:25,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:25,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997705929] [2022-10-16 15:56:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:25,643 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 15:56:25,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:25,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997705929] [2022-10-16 15:56:25,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997705929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:25,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:25,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:25,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639926549] [2022-10-16 15:56:25,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:25,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:25,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:25,646 INFO L87 Difference]: Start difference. First operand 692 states and 1068 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:25,916 INFO L93 Difference]: Finished difference Result 1810 states and 2800 transitions. [2022-10-16 15:56:25,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:56:25,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 15:56:25,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:25,924 INFO L225 Difference]: With dead ends: 1810 [2022-10-16 15:56:25,924 INFO L226 Difference]: Without dead ends: 1142 [2022-10-16 15:56:25,927 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 15:56:25,928 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 550 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:25,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 691 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-10-16 15:56:26,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 912. [2022-10-16 15:56:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 904 states have (on average 1.5398230088495575) internal successors, (1392), 911 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1392 transitions. [2022-10-16 15:56:26,032 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1392 transitions. Word has length 43 [2022-10-16 15:56:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:26,032 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1392 transitions. [2022-10-16 15:56:26,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1392 transitions. [2022-10-16 15:56:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 15:56:26,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:26,034 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] [2022-10-16 15:56:26,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:56:26,034 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:26,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1732328947, now seen corresponding path program 1 times [2022-10-16 15:56:26,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:26,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661473158] [2022-10-16 15:56:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:26,129 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 15:56:26,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:26,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661473158] [2022-10-16 15:56:26,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661473158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:26,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:26,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623617555] [2022-10-16 15:56:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:26,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:26,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:26,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:26,132 INFO L87 Difference]: Start difference. First operand 912 states and 1392 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:26,457 INFO L93 Difference]: Finished difference Result 1362 states and 2096 transitions. [2022-10-16 15:56:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:56:26,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 15:56:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:26,467 INFO L225 Difference]: With dead ends: 1362 [2022-10-16 15:56:26,467 INFO L226 Difference]: Without dead ends: 1360 [2022-10-16 15:56:26,468 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 15:56:26,469 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 688 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:26,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 462 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:26,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-10-16 15:56:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1352. [2022-10-16 15:56:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1344 states have (on average 1.5357142857142858) internal successors, (2064), 1351 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2064 transitions. [2022-10-16 15:56:26,629 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2064 transitions. Word has length 44 [2022-10-16 15:56:26,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:26,629 INFO L495 AbstractCegarLoop]: Abstraction has 1352 states and 2064 transitions. [2022-10-16 15:56:26,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2064 transitions. [2022-10-16 15:56:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 15:56:26,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:26,631 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] [2022-10-16 15:56:26,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:56:26,631 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:26,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:26,632 INFO L85 PathProgramCache]: Analyzing trace with hash 916159503, now seen corresponding path program 1 times [2022-10-16 15:56:26,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:26,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922995756] [2022-10-16 15:56:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:26,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:26,693 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 15:56:26,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:26,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922995756] [2022-10-16 15:56:26,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922995756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:26,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:26,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:26,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62232658] [2022-10-16 15:56:26,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:26,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:26,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:26,696 INFO L87 Difference]: Start difference. First operand 1352 states and 2064 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:26,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:26,991 INFO L93 Difference]: Finished difference Result 3552 states and 5424 transitions. [2022-10-16 15:56:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 15:56:26,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:27,005 INFO L225 Difference]: With dead ends: 3552 [2022-10-16 15:56:27,005 INFO L226 Difference]: Without dead ends: 2224 [2022-10-16 15:56:27,008 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 15:56:27,010 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 100 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:27,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 325 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2022-10-16 15:56:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2216. [2022-10-16 15:56:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2208 states have (on average 1.5217391304347827) internal successors, (3360), 2215 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3360 transitions. [2022-10-16 15:56:27,276 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3360 transitions. Word has length 46 [2022-10-16 15:56:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:27,278 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3360 transitions. [2022-10-16 15:56:27,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3360 transitions. [2022-10-16 15:56:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:56:27,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:27,280 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:27,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:56:27,289 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:27,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:27,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2015527344, now seen corresponding path program 1 times [2022-10-16 15:56:27,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:27,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797431675] [2022-10-16 15:56:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:27,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:27,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797431675] [2022-10-16 15:56:27,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797431675] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:27,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:27,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:27,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327930980] [2022-10-16 15:56:27,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:27,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:27,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:27,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:27,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:27,414 INFO L87 Difference]: Start difference. First operand 2216 states and 3360 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:56:27,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:27,863 INFO L93 Difference]: Finished difference Result 6336 states and 9600 transitions. [2022-10-16 15:56:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:27,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:56:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:27,885 INFO L225 Difference]: With dead ends: 6336 [2022-10-16 15:56:27,886 INFO L226 Difference]: Without dead ends: 4144 [2022-10-16 15:56:27,889 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 15:56:27,890 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 79 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:27,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 289 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2022-10-16 15:56:28,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 4136. [2022-10-16 15:56:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 4128 states have (on average 1.505813953488372) internal successors, (6216), 4135 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 6216 transitions. [2022-10-16 15:56:28,355 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 6216 transitions. Word has length 66 [2022-10-16 15:56:28,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:28,355 INFO L495 AbstractCegarLoop]: Abstraction has 4136 states and 6216 transitions. [2022-10-16 15:56:28,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:56:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 6216 transitions. [2022-10-16 15:56:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:56:28,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:28,358 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:28,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:56:28,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:28,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:28,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1606650105, now seen corresponding path program 1 times [2022-10-16 15:56:28,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:28,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603789538] [2022-10-16 15:56:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:56:28,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:28,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603789538] [2022-10-16 15:56:28,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603789538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:28,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:28,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699490197] [2022-10-16 15:56:28,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:28,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:28,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:28,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:28,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:28,558 INFO L87 Difference]: Start difference. First operand 4136 states and 6216 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 15:56:29,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:29,112 INFO L93 Difference]: Finished difference Result 5512 states and 8312 transitions. [2022-10-16 15:56:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:29,113 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 68 [2022-10-16 15:56:29,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:29,142 INFO L225 Difference]: With dead ends: 5512 [2022-10-16 15:56:29,143 INFO L226 Difference]: Without dead ends: 5510 [2022-10-16 15:56:29,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:29,146 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 183 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:29,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 436 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:29,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5510 states. [2022-10-16 15:56:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5510 to 4820. [2022-10-16 15:56:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4820 states, 4812 states have (on average 1.5062344139650872) internal successors, (7248), 4819 states have internal predecessors, (7248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4820 states and 7248 transitions. [2022-10-16 15:56:29,745 INFO L78 Accepts]: Start accepts. Automaton has 4820 states and 7248 transitions. Word has length 68 [2022-10-16 15:56:29,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:29,746 INFO L495 AbstractCegarLoop]: Abstraction has 4820 states and 7248 transitions. [2022-10-16 15:56:29,746 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 15:56:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 7248 transitions. [2022-10-16 15:56:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:56:29,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:29,748 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:29,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:56:29,749 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:29,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1717135700, now seen corresponding path program 1 times [2022-10-16 15:56:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:29,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111641526] [2022-10-16 15:56:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:29,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:29,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111641526] [2022-10-16 15:56:29,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111641526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:29,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:29,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:29,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619169078] [2022-10-16 15:56:29,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:29,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:29,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:29,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:29,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:29,832 INFO L87 Difference]: Start difference. First operand 4820 states and 7248 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:30,638 INFO L93 Difference]: Finished difference Result 13796 states and 20688 transitions. [2022-10-16 15:56:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:56:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:30,685 INFO L225 Difference]: With dead ends: 13796 [2022-10-16 15:56:30,685 INFO L226 Difference]: Without dead ends: 9000 [2022-10-16 15:56:30,694 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 15:56:30,695 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 76 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:30,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 270 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-16 15:56:31,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8992. [2022-10-16 15:56:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8992 states, 8984 states have (on average 1.4861976847729297) internal successors, (13352), 8991 states have internal predecessors, (13352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8992 states to 8992 states and 13352 transitions. [2022-10-16 15:56:31,677 INFO L78 Accepts]: Start accepts. Automaton has 8992 states and 13352 transitions. Word has length 68 [2022-10-16 15:56:31,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:31,678 INFO L495 AbstractCegarLoop]: Abstraction has 8992 states and 13352 transitions. [2022-10-16 15:56:31,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8992 states and 13352 transitions. [2022-10-16 15:56:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:56:31,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:31,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:31,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:56:31,682 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:31,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:31,683 INFO L85 PathProgramCache]: Analyzing trace with hash 727341767, now seen corresponding path program 1 times [2022-10-16 15:56:31,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:31,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373778717] [2022-10-16 15:56:31,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:31,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:56:31,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:31,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373778717] [2022-10-16 15:56:31,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373778717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:31,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:31,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:31,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863646790] [2022-10-16 15:56:31,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:31,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:56:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:31,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:56:31,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:56:31,743 INFO L87 Difference]: Start difference. First operand 8992 states and 13352 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:32,906 INFO L93 Difference]: Finished difference Result 25696 states and 37992 transitions. [2022-10-16 15:56:32,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:56:32,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:56:32,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:32,950 INFO L225 Difference]: With dead ends: 25696 [2022-10-16 15:56:32,950 INFO L226 Difference]: Without dead ends: 16436 [2022-10-16 15:56:32,967 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 15:56:32,968 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 80 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:32,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:56:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16436 states. [2022-10-16 15:56:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16436 to 16428. [2022-10-16 15:56:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16428 states, 16420 states have (on average 1.4647990255785628) internal successors, (24052), 16427 states have internal predecessors, (24052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16428 states to 16428 states and 24052 transitions. [2022-10-16 15:56:34,340 INFO L78 Accepts]: Start accepts. Automaton has 16428 states and 24052 transitions. Word has length 68 [2022-10-16 15:56:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:34,340 INFO L495 AbstractCegarLoop]: Abstraction has 16428 states and 24052 transitions. [2022-10-16 15:56:34,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 16428 states and 24052 transitions. [2022-10-16 15:56:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:56:34,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:34,345 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:34,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:56:34,345 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:34,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1142697205, now seen corresponding path program 1 times [2022-10-16 15:56:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:34,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144845980] [2022-10-16 15:56:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:34,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144845980] [2022-10-16 15:56:34,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144845980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:34,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:34,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:34,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186172586] [2022-10-16 15:56:34,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:34,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:34,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:34,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:34,441 INFO L87 Difference]: Start difference. First operand 16428 states and 24052 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:56:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:36,079 INFO L93 Difference]: Finished difference Result 23590 states and 34772 transitions. [2022-10-16 15:56:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:36,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 70 [2022-10-16 15:56:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:36,139 INFO L225 Difference]: With dead ends: 23590 [2022-10-16 15:56:36,139 INFO L226 Difference]: Without dead ends: 23588 [2022-10-16 15:56:36,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:36,148 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 178 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:36,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 444 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23588 states. [2022-10-16 15:56:38,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23588 to 22396. [2022-10-16 15:56:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22396 states, 22388 states have (on average 1.4681079149544398) internal successors, (32868), 22395 states have internal predecessors, (32868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22396 states to 22396 states and 32868 transitions. [2022-10-16 15:56:38,259 INFO L78 Accepts]: Start accepts. Automaton has 22396 states and 32868 transitions. Word has length 70 [2022-10-16 15:56:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:38,260 INFO L495 AbstractCegarLoop]: Abstraction has 22396 states and 32868 transitions. [2022-10-16 15:56:38,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:56:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22396 states and 32868 transitions. [2022-10-16 15:56:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:56:38,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:38,265 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:38,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:56:38,265 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:38,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:38,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2097496635, now seen corresponding path program 1 times [2022-10-16 15:56:38,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:38,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540602403] [2022-10-16 15:56:38,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:38,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:56:38,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:38,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540602403] [2022-10-16 15:56:38,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540602403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:38,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:38,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:38,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93155685] [2022-10-16 15:56:38,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:38,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:38,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:38,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:38,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:38,427 INFO L87 Difference]: Start difference. First operand 22396 states and 32868 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 15:56:40,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:40,857 INFO L93 Difference]: Finished difference Result 41482 states and 61028 transitions. [2022-10-16 15:56:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:40,858 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 70 [2022-10-16 15:56:40,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:40,912 INFO L225 Difference]: With dead ends: 41482 [2022-10-16 15:56:40,913 INFO L226 Difference]: Without dead ends: 26878 [2022-10-16 15:56:40,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:40,938 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 401 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:40,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 593 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26878 states. [2022-10-16 15:56:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26878 to 26872. [2022-10-16 15:56:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26872 states, 26864 states have (on average 1.4490768314472902) internal successors, (38928), 26871 states have internal predecessors, (38928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26872 states to 26872 states and 38928 transitions. [2022-10-16 15:56:43,207 INFO L78 Accepts]: Start accepts. Automaton has 26872 states and 38928 transitions. Word has length 70 [2022-10-16 15:56:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:43,207 INFO L495 AbstractCegarLoop]: Abstraction has 26872 states and 38928 transitions. [2022-10-16 15:56:43,207 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 15:56:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 26872 states and 38928 transitions. [2022-10-16 15:56:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:56:43,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:43,212 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:43,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:56:43,212 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:43,213 INFO L85 PathProgramCache]: Analyzing trace with hash 208092862, now seen corresponding path program 1 times [2022-10-16 15:56:43,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:43,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705310851] [2022-10-16 15:56:43,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:56:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:43,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705310851] [2022-10-16 15:56:43,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705310851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:43,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:43,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:43,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153480446] [2022-10-16 15:56:43,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:43,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:43,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:43,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:43,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:43,344 INFO L87 Difference]: Start difference. First operand 26872 states and 38928 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 15:56:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:45,672 INFO L93 Difference]: Finished difference Result 48340 states and 70704 transitions. [2022-10-16 15:56:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:56:45,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 70 [2022-10-16 15:56:45,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:45,723 INFO L225 Difference]: With dead ends: 48340 [2022-10-16 15:56:45,723 INFO L226 Difference]: Without dead ends: 27176 [2022-10-16 15:56:45,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:45,763 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 399 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:45,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 566 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:45,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27176 states. [2022-10-16 15:56:48,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27176 to 27172. [2022-10-16 15:56:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27172 states, 27164 states have (on average 1.4432336916507142) internal successors, (39204), 27171 states have internal predecessors, (39204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27172 states to 27172 states and 39204 transitions. [2022-10-16 15:56:48,180 INFO L78 Accepts]: Start accepts. Automaton has 27172 states and 39204 transitions. Word has length 70 [2022-10-16 15:56:48,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:48,180 INFO L495 AbstractCegarLoop]: Abstraction has 27172 states and 39204 transitions. [2022-10-16 15:56:48,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 15:56:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 27172 states and 39204 transitions. [2022-10-16 15:56:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:56:48,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:48,184 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:48,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:56:48,185 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:48,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1063874831, now seen corresponding path program 1 times [2022-10-16 15:56:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:48,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658363341] [2022-10-16 15:56:48,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:48,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658363341] [2022-10-16 15:56:48,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658363341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:48,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:48,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:56:48,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110376387] [2022-10-16 15:56:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:48,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:56:48,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:56:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:48,288 INFO L87 Difference]: Start difference. First operand 27172 states and 39204 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:50,601 INFO L93 Difference]: Finished difference Result 27176 states and 39204 transitions. [2022-10-16 15:56:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:56:50,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:56:50,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:50,638 INFO L225 Difference]: With dead ends: 27176 [2022-10-16 15:56:50,638 INFO L226 Difference]: Without dead ends: 27174 [2022-10-16 15:56:50,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:56:50,647 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 184 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:50,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 331 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:50,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27174 states. [2022-10-16 15:56:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27174 to 24218. [2022-10-16 15:56:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24218 states, 24212 states have (on average 1.4206178754336694) internal successors, (34396), 24217 states have internal predecessors, (34396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24218 states to 24218 states and 34396 transitions. [2022-10-16 15:56:52,827 INFO L78 Accepts]: Start accepts. Automaton has 24218 states and 34396 transitions. Word has length 71 [2022-10-16 15:56:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:52,827 INFO L495 AbstractCegarLoop]: Abstraction has 24218 states and 34396 transitions. [2022-10-16 15:56:52,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 24218 states and 34396 transitions. [2022-10-16 15:56:52,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:56:52,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:52,831 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:52,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:56:52,832 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:52,832 INFO L85 PathProgramCache]: Analyzing trace with hash 597886405, now seen corresponding path program 1 times [2022-10-16 15:56:52,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:52,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715467959] [2022-10-16 15:56:52,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:52,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:56:52,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:52,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715467959] [2022-10-16 15:56:52,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715467959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:52,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:52,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:52,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375053682] [2022-10-16 15:56:52,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:52,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:52,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:52,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:52,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:52,954 INFO L87 Difference]: Start difference. First operand 24218 states and 34396 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 15:56:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:56:55,899 INFO L93 Difference]: Finished difference Result 40318 states and 58036 transitions. [2022-10-16 15:56:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:56:55,901 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 71 [2022-10-16 15:56:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:56:55,957 INFO L225 Difference]: With dead ends: 40318 [2022-10-16 15:56:55,957 INFO L226 Difference]: Without dead ends: 39136 [2022-10-16 15:56:55,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:56:55,966 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 412 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:56:55,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 430 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:56:56,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39136 states. [2022-10-16 15:56:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39136 to 24554. [2022-10-16 15:56:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24554 states, 24548 states have (on average 1.436206615610233) internal successors, (35256), 24553 states have internal predecessors, (35256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:56:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24554 states to 24554 states and 35256 transitions. [2022-10-16 15:56:58,308 INFO L78 Accepts]: Start accepts. Automaton has 24554 states and 35256 transitions. Word has length 71 [2022-10-16 15:56:58,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:56:58,308 INFO L495 AbstractCegarLoop]: Abstraction has 24554 states and 35256 transitions. [2022-10-16 15:56:58,308 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 15:56:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 24554 states and 35256 transitions. [2022-10-16 15:56:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:56:58,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:56:58,316 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:56:58,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:56:58,316 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:56:58,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:56:58,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1379618765, now seen corresponding path program 1 times [2022-10-16 15:56:58,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:56:58,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897060037] [2022-10-16 15:56:58,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:56:58,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:56:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:56:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:56:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:56:58,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897060037] [2022-10-16 15:56:58,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897060037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:56:58,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:56:58,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:56:58,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805511447] [2022-10-16 15:56:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:56:58,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:56:58,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:56:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:56:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:56:58,480 INFO L87 Difference]: Start difference. First operand 24554 states and 35256 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:01,087 INFO L93 Difference]: Finished difference Result 46966 states and 68076 transitions. [2022-10-16 15:57:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:01,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:57:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:01,126 INFO L225 Difference]: With dead ends: 46966 [2022-10-16 15:57:01,126 INFO L226 Difference]: Without dead ends: 29328 [2022-10-16 15:57:01,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:57:01,148 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 394 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:01,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 620 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29328 states. [2022-10-16 15:57:03,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29328 to 29030. [2022-10-16 15:57:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29030 states, 29024 states have (on average 1.4235115766262403) internal successors, (41316), 29029 states have internal predecessors, (41316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29030 states to 29030 states and 41316 transitions. [2022-10-16 15:57:03,555 INFO L78 Accepts]: Start accepts. Automaton has 29030 states and 41316 transitions. Word has length 72 [2022-10-16 15:57:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:03,556 INFO L495 AbstractCegarLoop]: Abstraction has 29030 states and 41316 transitions. [2022-10-16 15:57:03,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29030 states and 41316 transitions. [2022-10-16 15:57:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:57:03,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:03,558 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:03,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:57:03,559 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:03,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash -181491085, now seen corresponding path program 1 times [2022-10-16 15:57:03,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:03,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75610252] [2022-10-16 15:57:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:03,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:03,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75610252] [2022-10-16 15:57:03,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75610252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:03,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:03,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:03,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726565877] [2022-10-16 15:57:03,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:03,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:03,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:03,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:03,692 INFO L87 Difference]: Start difference. First operand 29030 states and 41316 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:07,738 INFO L93 Difference]: Finished difference Result 43050 states and 61928 transitions. [2022-10-16 15:57:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:07,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:57:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:07,788 INFO L225 Difference]: With dead ends: 43050 [2022-10-16 15:57:07,788 INFO L226 Difference]: Without dead ends: 41868 [2022-10-16 15:57:07,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:57:07,797 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 404 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:07,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 447 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:07,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41868 states. [2022-10-16 15:57:10,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41868 to 25778. [2022-10-16 15:57:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25778 states, 25772 states have (on average 1.432872885301878) internal successors, (36928), 25777 states have internal predecessors, (36928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25778 states to 25778 states and 36928 transitions. [2022-10-16 15:57:10,352 INFO L78 Accepts]: Start accepts. Automaton has 25778 states and 36928 transitions. Word has length 73 [2022-10-16 15:57:10,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:10,353 INFO L495 AbstractCegarLoop]: Abstraction has 25778 states and 36928 transitions. [2022-10-16 15:57:10,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25778 states and 36928 transitions. [2022-10-16 15:57:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:57:10,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:10,356 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:10,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:57:10,356 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:10,357 INFO L85 PathProgramCache]: Analyzing trace with hash -877579080, now seen corresponding path program 1 times [2022-10-16 15:57:10,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:10,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128999244] [2022-10-16 15:57:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:10,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:10,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128999244] [2022-10-16 15:57:10,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128999244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:10,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:10,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:57:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433229188] [2022-10-16 15:57:10,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:10,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:57:10,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:57:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:57:10,459 INFO L87 Difference]: Start difference. First operand 25778 states and 36928 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:13,918 INFO L93 Difference]: Finished difference Result 37134 states and 53736 transitions. [2022-10-16 15:57:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:57:13,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:57:13,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:13,958 INFO L225 Difference]: With dead ends: 37134 [2022-10-16 15:57:13,958 INFO L226 Difference]: Without dead ends: 37132 [2022-10-16 15:57:13,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:57:13,965 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 228 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:13,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 523 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:13,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37132 states. [2022-10-16 15:57:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37132 to 32062. [2022-10-16 15:57:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32062 states, 32056 states have (on average 1.4333666084352383) internal successors, (45948), 32061 states have internal predecessors, (45948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32062 states to 32062 states and 45948 transitions. [2022-10-16 15:57:16,908 INFO L78 Accepts]: Start accepts. Automaton has 32062 states and 45948 transitions. Word has length 75 [2022-10-16 15:57:16,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:16,908 INFO L495 AbstractCegarLoop]: Abstraction has 32062 states and 45948 transitions. [2022-10-16 15:57:16,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 32062 states and 45948 transitions. [2022-10-16 15:57:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:57:16,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:16,910 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:16,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:57:16,911 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1918097613, now seen corresponding path program 1 times [2022-10-16 15:57:16,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:16,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985389382] [2022-10-16 15:57:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:57:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:17,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985389382] [2022-10-16 15:57:17,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985389382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:17,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:17,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450038514] [2022-10-16 15:57:17,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:17,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:17,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:17,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:17,063 INFO L87 Difference]: Start difference. First operand 32062 states and 45948 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 15:57:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:20,938 INFO L93 Difference]: Finished difference Result 35930 states and 51336 transitions. [2022-10-16 15:57:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:20,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 75 [2022-10-16 15:57:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:20,979 INFO L225 Difference]: With dead ends: 35930 [2022-10-16 15:57:20,979 INFO L226 Difference]: Without dead ends: 34148 [2022-10-16 15:57:20,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:20,987 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 286 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:20,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 618 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:21,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34148 states. [2022-10-16 15:57:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34148 to 33558. [2022-10-16 15:57:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33558 states, 33552 states have (on average 1.4271578445398188) internal successors, (47884), 33557 states have internal predecessors, (47884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33558 states to 33558 states and 47884 transitions. [2022-10-16 15:57:24,217 INFO L78 Accepts]: Start accepts. Automaton has 33558 states and 47884 transitions. Word has length 75 [2022-10-16 15:57:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:24,218 INFO L495 AbstractCegarLoop]: Abstraction has 33558 states and 47884 transitions. [2022-10-16 15:57:24,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 15:57:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33558 states and 47884 transitions. [2022-10-16 15:57:24,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:57:24,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:24,220 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:24,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:57:24,220 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1539900870, now seen corresponding path program 1 times [2022-10-16 15:57:24,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:24,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418747673] [2022-10-16 15:57:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:24,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:24,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:24,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418747673] [2022-10-16 15:57:24,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418747673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:24,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:24,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:24,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835442028] [2022-10-16 15:57:24,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:24,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:24,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:24,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:24,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:24,347 INFO L87 Difference]: Start difference. First operand 33558 states and 47884 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:28,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:28,618 INFO L93 Difference]: Finished difference Result 45504 states and 65324 transitions. [2022-10-16 15:57:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:28,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:57:28,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:28,673 INFO L225 Difference]: With dead ends: 45504 [2022-10-16 15:57:28,673 INFO L226 Difference]: Without dead ends: 45210 [2022-10-16 15:57:28,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:28,682 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 291 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:28,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 629 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:28,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45210 states. [2022-10-16 15:57:32,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45210 to 42834. [2022-10-16 15:57:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42834 states, 42828 states have (on average 1.4248622396562995) internal successors, (61024), 42833 states have internal predecessors, (61024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42834 states to 42834 states and 61024 transitions. [2022-10-16 15:57:32,678 INFO L78 Accepts]: Start accepts. Automaton has 42834 states and 61024 transitions. Word has length 77 [2022-10-16 15:57:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:32,678 INFO L495 AbstractCegarLoop]: Abstraction has 42834 states and 61024 transitions. [2022-10-16 15:57:32,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 42834 states and 61024 transitions. [2022-10-16 15:57:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:57:32,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:32,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:32,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:57:32,681 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:32,681 INFO L85 PathProgramCache]: Analyzing trace with hash -2057337439, now seen corresponding path program 1 times [2022-10-16 15:57:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:32,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907765826] [2022-10-16 15:57:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:32,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:32,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:32,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907765826] [2022-10-16 15:57:32,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907765826] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:32,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:32,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:32,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883835924] [2022-10-16 15:57:32,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:32,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:32,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:32,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:32,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:32,808 INFO L87 Difference]: Start difference. First operand 42834 states and 61024 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:37,544 INFO L93 Difference]: Finished difference Result 48806 states and 69456 transitions. [2022-10-16 15:57:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:37,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:57:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:37,598 INFO L225 Difference]: With dead ends: 48806 [2022-10-16 15:57:37,598 INFO L226 Difference]: Without dead ends: 47024 [2022-10-16 15:57:37,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:37,608 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 270 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:37,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 731 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47024 states. [2022-10-16 15:57:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47024 to 45542. [2022-10-16 15:57:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45542 states, 45536 states have (on average 1.4220836261419536) internal successors, (64756), 45541 states have internal predecessors, (64756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45542 states to 45542 states and 64756 transitions. [2022-10-16 15:57:42,021 INFO L78 Accepts]: Start accepts. Automaton has 45542 states and 64756 transitions. Word has length 77 [2022-10-16 15:57:42,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:42,022 INFO L495 AbstractCegarLoop]: Abstraction has 45542 states and 64756 transitions. [2022-10-16 15:57:42,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 45542 states and 64756 transitions. [2022-10-16 15:57:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:57:42,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:42,024 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:42,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:57:42,024 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash -492286554, now seen corresponding path program 1 times [2022-10-16 15:57:42,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:42,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197639650] [2022-10-16 15:57:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:42,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197639650] [2022-10-16 15:57:42,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197639650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:42,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:42,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621674525] [2022-10-16 15:57:42,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:42,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:42,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:42,145 INFO L87 Difference]: Start difference. First operand 45542 states and 64756 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:46,588 INFO L93 Difference]: Finished difference Result 57873 states and 81952 transitions. [2022-10-16 15:57:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:46,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:57:46,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:46,635 INFO L225 Difference]: With dead ends: 57873 [2022-10-16 15:57:46,635 INFO L226 Difference]: Without dead ends: 36523 [2022-10-16 15:57:46,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:46,651 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 290 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:46,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 508 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:57:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36523 states. [2022-10-16 15:57:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36523 to 26390. [2022-10-16 15:57:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26390 states, 26384 states have (on average 1.410248635536689) internal successors, (37208), 26389 states have internal predecessors, (37208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26390 states to 26390 states and 37208 transitions. [2022-10-16 15:57:49,624 INFO L78 Accepts]: Start accepts. Automaton has 26390 states and 37208 transitions. Word has length 78 [2022-10-16 15:57:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:49,625 INFO L495 AbstractCegarLoop]: Abstraction has 26390 states and 37208 transitions. [2022-10-16 15:57:49,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 26390 states and 37208 transitions. [2022-10-16 15:57:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:57:49,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:49,627 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:49,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:57:49,627 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:49,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1242469150, now seen corresponding path program 1 times [2022-10-16 15:57:49,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:49,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976305658] [2022-10-16 15:57:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:49,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:57:49,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:49,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976305658] [2022-10-16 15:57:49,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976305658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:49,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:49,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:57:49,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079772457] [2022-10-16 15:57:49,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:49,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:57:49,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:49,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:57:49,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:49,768 INFO L87 Difference]: Start difference. First operand 26390 states and 37208 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:53,384 INFO L93 Difference]: Finished difference Result 28982 states and 40732 transitions. [2022-10-16 15:57:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:57:53,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:57:53,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:53,415 INFO L225 Difference]: With dead ends: 28982 [2022-10-16 15:57:53,415 INFO L226 Difference]: Without dead ends: 25973 [2022-10-16 15:57:53,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:57:53,425 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 301 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:53,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 783 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:57:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25973 states. [2022-10-16 15:57:56,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25973 to 25382. [2022-10-16 15:57:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25382 states, 25376 states have (on average 1.4123581336696092) internal successors, (35840), 25381 states have internal predecessors, (35840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25382 states to 25382 states and 35840 transitions. [2022-10-16 15:57:56,315 INFO L78 Accepts]: Start accepts. Automaton has 25382 states and 35840 transitions. Word has length 82 [2022-10-16 15:57:56,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:57:56,315 INFO L495 AbstractCegarLoop]: Abstraction has 25382 states and 35840 transitions. [2022-10-16 15:57:56,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 25382 states and 35840 transitions. [2022-10-16 15:57:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:57:56,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:57:56,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:57:56,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:57:56,321 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:57:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:57:56,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1071759475, now seen corresponding path program 1 times [2022-10-16 15:57:56,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:57:56,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530605111] [2022-10-16 15:57:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:57:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:57:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:57:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 15:57:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:57:56,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530605111] [2022-10-16 15:57:56,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530605111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:57:56,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:57:56,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:57:56,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040552363] [2022-10-16 15:57:56,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:57:56,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:57:56,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:57:56,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:57:56,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:57:56,405 INFO L87 Difference]: Start difference. First operand 25382 states and 35840 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:57:58,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:57:58,649 INFO L93 Difference]: Finished difference Result 27490 states and 38659 transitions. [2022-10-16 15:57:58,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:57:58,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:57:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:57:58,671 INFO L225 Difference]: With dead ends: 27490 [2022-10-16 15:57:58,671 INFO L226 Difference]: Without dead ends: 17872 [2022-10-16 15:57:58,681 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 15:57:58,682 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 58 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:57:58,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 285 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:57:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17872 states. [2022-10-16 15:58:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17872 to 17861. [2022-10-16 15:58:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17861 states, 17855 states have (on average 1.3920470456454774) internal successors, (24855), 17860 states have internal predecessors, (24855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17861 states to 17861 states and 24855 transitions. [2022-10-16 15:58:00,813 INFO L78 Accepts]: Start accepts. Automaton has 17861 states and 24855 transitions. Word has length 101 [2022-10-16 15:58:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:00,813 INFO L495 AbstractCegarLoop]: Abstraction has 17861 states and 24855 transitions. [2022-10-16 15:58:00,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 17861 states and 24855 transitions. [2022-10-16 15:58:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:58:00,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:00,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:00,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:58:00,818 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash -623393488, now seen corresponding path program 1 times [2022-10-16 15:58:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:00,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709203442] [2022-10-16 15:58:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 15:58:00,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:00,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709203442] [2022-10-16 15:58:00,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709203442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:00,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:00,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:58:00,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626343499] [2022-10-16 15:58:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:00,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:58:00,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:00,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:58:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:58:00,921 INFO L87 Difference]: Start difference. First operand 17861 states and 24855 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:02,388 INFO L93 Difference]: Finished difference Result 19699 states and 27392 transitions. [2022-10-16 15:58:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:58:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:58:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:02,405 INFO L225 Difference]: With dead ends: 19699 [2022-10-16 15:58:02,405 INFO L226 Difference]: Without dead ends: 11741 [2022-10-16 15:58:02,414 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 15:58:02,414 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 64 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:02,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:02,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11741 states. [2022-10-16 15:58:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11741 to 11709. [2022-10-16 15:58:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11709 states, 11703 states have (on average 1.379304451849953) internal successors, (16142), 11708 states have internal predecessors, (16142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11709 states to 11709 states and 16142 transitions. [2022-10-16 15:58:03,754 INFO L78 Accepts]: Start accepts. Automaton has 11709 states and 16142 transitions. Word has length 101 [2022-10-16 15:58:03,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:03,754 INFO L495 AbstractCegarLoop]: Abstraction has 11709 states and 16142 transitions. [2022-10-16 15:58:03,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 11709 states and 16142 transitions. [2022-10-16 15:58:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 15:58:03,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:03,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:03,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:58:03,759 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1975076772, now seen corresponding path program 2 times [2022-10-16 15:58:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:03,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026435277] [2022-10-16 15:58:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:03,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:03,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026435277] [2022-10-16 15:58:03,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026435277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:03,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:03,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:58:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872255692] [2022-10-16 15:58:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:03,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:58:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:58:03,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:58:03,885 INFO L87 Difference]: Start difference. First operand 11709 states and 16142 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:05,525 INFO L93 Difference]: Finished difference Result 12221 states and 16814 transitions. [2022-10-16 15:58:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:58:05,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 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 103 [2022-10-16 15:58:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:05,539 INFO L225 Difference]: With dead ends: 12221 [2022-10-16 15:58:05,539 INFO L226 Difference]: Without dead ends: 12219 [2022-10-16 15:58:05,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:58:05,543 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 165 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:05,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 504 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12219 states. [2022-10-16 15:58:06,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12219 to 11707. [2022-10-16 15:58:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11707 states, 11703 states have (on average 1.357429718875502) internal successors, (15886), 11706 states have internal predecessors, (15886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11707 states to 11707 states and 15886 transitions. [2022-10-16 15:58:06,796 INFO L78 Accepts]: Start accepts. Automaton has 11707 states and 15886 transitions. Word has length 103 [2022-10-16 15:58:06,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:06,796 INFO L495 AbstractCegarLoop]: Abstraction has 11707 states and 15886 transitions. [2022-10-16 15:58:06,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 11707 states and 15886 transitions. [2022-10-16 15:58:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 15:58:06,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:06,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:06,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:58:06,801 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:06,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:06,802 INFO L85 PathProgramCache]: Analyzing trace with hash -763362151, now seen corresponding path program 2 times [2022-10-16 15:58:06,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:06,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304896325] [2022-10-16 15:58:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:58:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:06,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304896325] [2022-10-16 15:58:06,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304896325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:06,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:06,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:06,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755394715] [2022-10-16 15:58:06,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:06,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:06,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:06,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:06,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:06,952 INFO L87 Difference]: Start difference. First operand 11707 states and 15886 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:08,415 INFO L93 Difference]: Finished difference Result 12013 states and 16290 transitions. [2022-10-16 15:58:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:08,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 15:58:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:08,432 INFO L225 Difference]: With dead ends: 12013 [2022-10-16 15:58:08,432 INFO L226 Difference]: Without dead ends: 11111 [2022-10-16 15:58:08,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:08,439 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 226 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:08,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 684 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11111 states. [2022-10-16 15:58:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11111 to 10503. [2022-10-16 15:58:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10503 states, 10499 states have (on average 1.359081817315935) internal successors, (14269), 10502 states have internal predecessors, (14269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10503 states to 10503 states and 14269 transitions. [2022-10-16 15:58:09,558 INFO L78 Accepts]: Start accepts. Automaton has 10503 states and 14269 transitions. Word has length 103 [2022-10-16 15:58:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:09,558 INFO L495 AbstractCegarLoop]: Abstraction has 10503 states and 14269 transitions. [2022-10-16 15:58:09,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 10503 states and 14269 transitions. [2022-10-16 15:58:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:58:09,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:09,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:09,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:58:09,563 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:09,563 INFO L85 PathProgramCache]: Analyzing trace with hash -326761946, now seen corresponding path program 2 times [2022-10-16 15:58:09,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:09,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274174867] [2022-10-16 15:58:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:09,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:09,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:09,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274174867] [2022-10-16 15:58:09,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274174867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:09,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:09,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265360976] [2022-10-16 15:58:09,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:09,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:09,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:09,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:09,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:09,716 INFO L87 Difference]: Start difference. First operand 10503 states and 14269 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:10,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:10,911 INFO L93 Difference]: Finished difference Result 10507 states and 14269 transitions. [2022-10-16 15:58:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:10,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 105 [2022-10-16 15:58:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:10,923 INFO L225 Difference]: With dead ends: 10507 [2022-10-16 15:58:10,923 INFO L226 Difference]: Without dead ends: 10209 [2022-10-16 15:58:10,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:10,926 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 235 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:10,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 565 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:10,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10209 states. [2022-10-16 15:58:11,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10209 to 10207. [2022-10-16 15:58:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10207 states, 10203 states have (on average 1.345976673527394) internal successors, (13733), 10206 states have internal predecessors, (13733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10207 states to 10207 states and 13733 transitions. [2022-10-16 15:58:11,998 INFO L78 Accepts]: Start accepts. Automaton has 10207 states and 13733 transitions. Word has length 105 [2022-10-16 15:58:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:11,998 INFO L495 AbstractCegarLoop]: Abstraction has 10207 states and 13733 transitions. [2022-10-16 15:58:11,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10207 states and 13733 transitions. [2022-10-16 15:58:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:58:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:12,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:12,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:58:12,003 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -40486503, now seen corresponding path program 2 times [2022-10-16 15:58:12,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:12,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875052889] [2022-10-16 15:58:12,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:58:12,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:12,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875052889] [2022-10-16 15:58:12,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875052889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:12,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:12,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:12,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730101206] [2022-10-16 15:58:12,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:12,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:12,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:12,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:12,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:12,166 INFO L87 Difference]: Start difference. First operand 10207 states and 13733 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:13,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:13,398 INFO L93 Difference]: Finished difference Result 10813 states and 14541 transitions. [2022-10-16 15:58:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:13,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:58:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:13,415 INFO L225 Difference]: With dead ends: 10813 [2022-10-16 15:58:13,415 INFO L226 Difference]: Without dead ends: 9615 [2022-10-16 15:58:13,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:13,420 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 234 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:13,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 579 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2022-10-16 15:58:14,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 8407. [2022-10-16 15:58:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8407 states, 8403 states have (on average 1.3461858859930977) internal successors, (11312), 8406 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8407 states to 8407 states and 11312 transitions. [2022-10-16 15:58:14,276 INFO L78 Accepts]: Start accepts. Automaton has 8407 states and 11312 transitions. Word has length 105 [2022-10-16 15:58:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:14,276 INFO L495 AbstractCegarLoop]: Abstraction has 8407 states and 11312 transitions. [2022-10-16 15:58:14,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8407 states and 11312 transitions. [2022-10-16 15:58:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:58:14,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:14,280 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:14,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:58:14,280 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1539685574, now seen corresponding path program 2 times [2022-10-16 15:58:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:14,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987623328] [2022-10-16 15:58:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:14,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:14,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:14,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987623328] [2022-10-16 15:58:14,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987623328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:14,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:14,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:14,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106111771] [2022-10-16 15:58:14,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:14,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:14,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:14,427 INFO L87 Difference]: Start difference. First operand 8407 states and 11312 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:15,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:15,301 INFO L93 Difference]: Finished difference Result 11775 states and 15840 transitions. [2022-10-16 15:58:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:15,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 106 [2022-10-16 15:58:15,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:15,309 INFO L225 Difference]: With dead ends: 11775 [2022-10-16 15:58:15,309 INFO L226 Difference]: Without dead ends: 5801 [2022-10-16 15:58:15,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:15,315 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 210 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:15,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 588 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:15,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5801 states. [2022-10-16 15:58:15,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5801 to 3973. [2022-10-16 15:58:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3973 states, 3972 states have (on average 1.311178247734139) internal successors, (5208), 3972 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 5208 transitions. [2022-10-16 15:58:15,837 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 5208 transitions. Word has length 106 [2022-10-16 15:58:15,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:15,837 INFO L495 AbstractCegarLoop]: Abstraction has 3973 states and 5208 transitions. [2022-10-16 15:58:15,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 5208 transitions. [2022-10-16 15:58:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:58:15,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:15,840 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:15,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:58:15,841 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1621689403, now seen corresponding path program 1 times [2022-10-16 15:58:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:15,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530596572] [2022-10-16 15:58:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 15:58:15,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:15,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530596572] [2022-10-16 15:58:15,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530596572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:15,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:15,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:58:15,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854488971] [2022-10-16 15:58:15,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:15,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:58:15,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:15,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:58:15,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:58:15,945 INFO L87 Difference]: Start difference. First operand 3973 states and 5208 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:16,329 INFO L93 Difference]: Finished difference Result 3977 states and 5211 transitions. [2022-10-16 15:58:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:58:16,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:58:16,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:16,332 INFO L225 Difference]: With dead ends: 3977 [2022-10-16 15:58:16,332 INFO L226 Difference]: Without dead ends: 2620 [2022-10-16 15:58:16,333 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 15:58:16,334 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 33 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:16,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 127 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2022-10-16 15:58:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2617. [2022-10-16 15:58:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2616 states have (on average 1.3027522935779816) internal successors, (3408), 2616 states have internal predecessors, (3408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3408 transitions. [2022-10-16 15:58:16,659 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3408 transitions. Word has length 109 [2022-10-16 15:58:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:16,660 INFO L495 AbstractCegarLoop]: Abstraction has 2617 states and 3408 transitions. [2022-10-16 15:58:16,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3408 transitions. [2022-10-16 15:58:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:58:16,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:16,662 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:16,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:58:16,662 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:16,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash -93010130, now seen corresponding path program 1 times [2022-10-16 15:58:16,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:16,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662115188] [2022-10-16 15:58:16,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:16,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:58:16,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:16,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662115188] [2022-10-16 15:58:16,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662115188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:16,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:16,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:16,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730596646] [2022-10-16 15:58:16,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:16,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:16,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:16,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:16,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:16,808 INFO L87 Difference]: Start difference. First operand 2617 states and 3408 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:17,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:17,349 INFO L93 Difference]: Finished difference Result 3435 states and 4488 transitions. [2022-10-16 15:58:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:17,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 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 111 [2022-10-16 15:58:17,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:17,352 INFO L225 Difference]: With dead ends: 3435 [2022-10-16 15:58:17,353 INFO L226 Difference]: Without dead ends: 2570 [2022-10-16 15:58:17,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:17,354 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 178 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:17,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-10-16 15:58:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2569. [2022-10-16 15:58:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 1.3021806853582554) internal successors, (3344), 2568 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3344 transitions. [2022-10-16 15:58:17,690 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3344 transitions. Word has length 111 [2022-10-16 15:58:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:17,690 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 3344 transitions. [2022-10-16 15:58:17,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3344 transitions. [2022-10-16 15:58:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:58:17,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:17,692 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:17,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:58:17,692 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:17,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash 289645304, now seen corresponding path program 2 times [2022-10-16 15:58:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:17,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670244564] [2022-10-16 15:58:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:17,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:17,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670244564] [2022-10-16 15:58:17,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670244564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:17,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:17,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427227884] [2022-10-16 15:58:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:17,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:17,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:17,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:17,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:17,845 INFO L87 Difference]: Start difference. First operand 2569 states and 3344 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:18,450 INFO L93 Difference]: Finished difference Result 3643 states and 4760 transitions. [2022-10-16 15:58:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:18,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 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 111 [2022-10-16 15:58:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:18,453 INFO L225 Difference]: With dead ends: 3643 [2022-10-16 15:58:18,453 INFO L226 Difference]: Without dead ends: 2570 [2022-10-16 15:58:18,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:18,455 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 181 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:18,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 591 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:18,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-10-16 15:58:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2569. [2022-10-16 15:58:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 1.2975077881619939) internal successors, (3332), 2568 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3332 transitions. [2022-10-16 15:58:18,795 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3332 transitions. Word has length 111 [2022-10-16 15:58:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:18,796 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 3332 transitions. [2022-10-16 15:58:18,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3332 transitions. [2022-10-16 15:58:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:58:18,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:18,798 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:18,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 15:58:18,798 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:18,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1722508945, now seen corresponding path program 2 times [2022-10-16 15:58:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:18,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688597060] [2022-10-16 15:58:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:18,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 15:58:18,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:18,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688597060] [2022-10-16 15:58:18,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688597060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:18,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:18,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593725331] [2022-10-16 15:58:18,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:18,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:18,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:18,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:18,953 INFO L87 Difference]: Start difference. First operand 2569 states and 3332 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:19,444 INFO L93 Difference]: Finished difference Result 2827 states and 3664 transitions. [2022-10-16 15:58:19,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:19,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:58:19,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:19,448 INFO L225 Difference]: With dead ends: 2827 [2022-10-16 15:58:19,448 INFO L226 Difference]: Without dead ends: 2266 [2022-10-16 15:58:19,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:19,449 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 186 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:19,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 517 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2022-10-16 15:58:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2009. [2022-10-16 15:58:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 2008 states have (on average 1.2888446215139442) internal successors, (2588), 2008 states have internal predecessors, (2588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2588 transitions. [2022-10-16 15:58:19,692 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2588 transitions. Word has length 112 [2022-10-16 15:58:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:19,692 INFO L495 AbstractCegarLoop]: Abstraction has 2009 states and 2588 transitions. [2022-10-16 15:58:19,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2588 transitions. [2022-10-16 15:58:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:58:19,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:19,695 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:19,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 15:58:19,695 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1425900681, now seen corresponding path program 3 times [2022-10-16 15:58:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:19,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196068045] [2022-10-16 15:58:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:58:19,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:19,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196068045] [2022-10-16 15:58:19,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196068045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:19,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:19,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:19,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965199784] [2022-10-16 15:58:19,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:19,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:19,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:19,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:19,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:19,836 INFO L87 Difference]: Start difference. First operand 2009 states and 2588 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:20,191 INFO L93 Difference]: Finished difference Result 2010 states and 2588 transitions. [2022-10-16 15:58:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:20,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:58:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:20,194 INFO L225 Difference]: With dead ends: 2010 [2022-10-16 15:58:20,195 INFO L226 Difference]: Without dead ends: 1193 [2022-10-16 15:58:20,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:20,196 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 170 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:20,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 643 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:58:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2022-10-16 15:58:20,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2022-10-16 15:58:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1192 states have (on average 1.2818791946308725) internal successors, (1528), 1192 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1528 transitions. [2022-10-16 15:58:20,350 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1528 transitions. Word has length 112 [2022-10-16 15:58:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:20,350 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1528 transitions. [2022-10-16 15:58:20,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1528 transitions. [2022-10-16 15:58:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 15:58:20,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:58:20,352 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:58:20,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 15:58:20,352 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:58:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:58:20,353 INFO L85 PathProgramCache]: Analyzing trace with hash 797292104, now seen corresponding path program 1 times [2022-10-16 15:58:20,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:58:20,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442104041] [2022-10-16 15:58:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:58:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:58:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:58:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 15:58:20,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:58:20,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442104041] [2022-10-16 15:58:20,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442104041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:58:20,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:58:20,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:58:20,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916338789] [2022-10-16 15:58:20,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:58:20,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:58:20,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:58:20,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:58:20,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:20,517 INFO L87 Difference]: Start difference. First operand 1193 states and 1528 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:58:20,748 INFO L93 Difference]: Finished difference Result 1193 states and 1528 transitions. [2022-10-16 15:58:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:58:20,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-10-16 15:58:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:58:20,749 INFO L225 Difference]: With dead ends: 1193 [2022-10-16 15:58:20,749 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 15:58:20,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:58:20,751 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 158 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:58:20,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 508 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:58:20,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 15:58:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 15:58:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 15:58:20,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2022-10-16 15:58:20,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:58:20,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 15:58:20,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:58:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 15:58:20,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 15:58:20,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 15:58:20,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 15:58:20,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 15:58:20,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 15:58:20,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 15:58:20,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 15:58:20,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 15:58:20,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 15:58:20,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 15:58:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 15:58:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 15:58:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 15:58:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 15:58:20,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 15:58:20,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 15:58:20,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 15:59:21,494 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 1905 DAG size of output: 1903 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 16:00:20,200 WARN L233 SmtUtils]: Spent 58.69s on a formula simplification. DAG size of input: 1923 DAG size of output: 1921 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)