/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/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:37:44,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:37:44,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:37:44,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:37:44,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:37:44,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:37:44,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:37:44,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:37:44,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:37:44,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:37:44,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:37:44,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:37:44,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:37:44,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:37:44,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:37:44,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:37:44,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:37:44,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:37:44,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:37:44,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:37:44,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:37:44,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:37:44,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:37:44,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:37:44,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 14:37:44,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:37:44,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:37:44,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:37:44,627 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 14:37:44,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:37:44,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:37:44,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:37:44,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:37:44,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:37:44,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:37:44,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:37:44,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:37:44,682 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:37:44,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:37:44,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:37:44,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:37:44,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:37:44,685 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:37:44,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:37:44,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:37:44,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:37:44,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:37:44,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:37:44,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:37:44,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:37:44,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:37:44,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:37:44,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:37:44,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:37:44,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:37:44,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:37:44,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:37:44,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:37:45,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:37:45,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:37:45,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:37:45,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:37:45,091 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:37:45,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/lu.cmp.c [2022-10-16 14:37:45,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a35bc19/9da4b1db0e4d45b5ae45d20ff58bdc8b/FLAGd8ce1b900 [2022-10-16 14:37:45,830 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:37:45,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/lu.cmp.c [2022-10-16 14:37:45,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a35bc19/9da4b1db0e4d45b5ae45d20ff58bdc8b/FLAGd8ce1b900 [2022-10-16 14:37:46,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a35bc19/9da4b1db0e4d45b5ae45d20ff58bdc8b [2022-10-16 14:37:46,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:37:46,193 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:37:46,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:37:46,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:37:46,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:37:46,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0697c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46, skipping insertion in model container [2022-10-16 14:37:46,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:37:46,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:37:46,389 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/loops/lu.cmp.c[318,331] [2022-10-16 14:37:46,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:37:46,442 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:37:46,454 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/loops/lu.cmp.c[318,331] [2022-10-16 14:37:46,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:37:46,500 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:37:46,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46 WrapperNode [2022-10-16 14:37:46,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:37:46,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:37:46,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:37:46,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:37:46,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,585 INFO L138 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 266 [2022-10-16 14:37:46,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:37:46,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:37:46,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:37:46,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:37:46,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:37:46,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:37:46,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:37:46,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:37:46,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (1/1) ... [2022-10-16 14:37:46,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:37:46,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:46,727 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 14:37:46,754 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 14:37:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:37:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:37:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:37:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 14:37:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 14:37:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:37:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:37:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:37:46,912 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:37:46,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:37:47,381 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:37:47,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:37:47,392 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-16 14:37:47,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:47 BoogieIcfgContainer [2022-10-16 14:37:47,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:37:47,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:37:47,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:37:47,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:37:47,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:37:46" (1/3) ... [2022-10-16 14:37:47,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b03dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:47, skipping insertion in model container [2022-10-16 14:37:47,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:46" (2/3) ... [2022-10-16 14:37:47,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b03dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:47, skipping insertion in model container [2022-10-16 14:37:47,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:47" (3/3) ... [2022-10-16 14:37:47,405 INFO L112 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2022-10-16 14:37:47,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:37:47,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-16 14:37:47,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:37:47,581 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;@1af65e71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:37:47,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-16 14:37:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 88 states have (on average 1.7954545454545454) internal successors, (158), 130 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:37:47,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:47,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:37:47,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 28698920, now seen corresponding path program 1 times [2022-10-16 14:37:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863169087] [2022-10-16 14:37:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:47,940 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 14:37:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:47,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863169087] [2022-10-16 14:37:47,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863169087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:47,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:47,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:37:47,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395000179] [2022-10-16 14:37:47,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:47,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:47,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:48,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:48,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:48,006 INFO L87 Difference]: Start difference. First operand has 131 states, 88 states have (on average 1.7954545454545454) internal successors, (158), 130 states have internal predecessors, (158), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:48,135 INFO L93 Difference]: Finished difference Result 387 states and 470 transitions. [2022-10-16 14:37:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:48,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-16 14:37:48,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:48,151 INFO L225 Difference]: With dead ends: 387 [2022-10-16 14:37:48,151 INFO L226 Difference]: Without dead ends: 246 [2022-10-16 14:37:48,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:48,159 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 139 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:48,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 262 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-10-16 14:37:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 138. [2022-10-16 14:37:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 96 states have (on average 1.6666666666666667) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2022-10-16 14:37:48,228 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 5 [2022-10-16 14:37:48,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:48,229 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2022-10-16 14:37:48,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2022-10-16 14:37:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 14:37:48,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:48,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:48,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:37:48,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:48,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1809860010, now seen corresponding path program 1 times [2022-10-16 14:37:48,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:48,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306835077] [2022-10-16 14:37:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:48,347 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 14:37:48,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:48,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306835077] [2022-10-16 14:37:48,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306835077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:48,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:48,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:37:48,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649253568] [2022-10-16 14:37:48,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:48,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:48,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:48,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:48,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:48,356 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:48,456 INFO L93 Difference]: Finished difference Result 273 states and 316 transitions. [2022-10-16 14:37:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:48,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 14:37:48,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:48,462 INFO L225 Difference]: With dead ends: 273 [2022-10-16 14:37:48,463 INFO L226 Difference]: Without dead ends: 271 [2022-10-16 14:37:48,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:48,468 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 129 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:48,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 355 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:48,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-10-16 14:37:48,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 148. [2022-10-16 14:37:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 106 states have (on average 1.6415094339622642) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2022-10-16 14:37:48,496 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 7 [2022-10-16 14:37:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:48,499 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2022-10-16 14:37:48,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2022-10-16 14:37:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:37:48,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:48,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:48,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:37:48,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:48,507 INFO L85 PathProgramCache]: Analyzing trace with hash -217620630, now seen corresponding path program 1 times [2022-10-16 14:37:48,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:48,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775743472] [2022-10-16 14:37:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:48,598 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 14:37:48,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:48,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775743472] [2022-10-16 14:37:48,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775743472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:48,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:48,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:37:48,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455745627] [2022-10-16 14:37:48,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:48,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:48,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:48,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:48,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:48,603 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:48,684 INFO L93 Difference]: Finished difference Result 296 states and 342 transitions. [2022-10-16 14:37:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:48,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 14:37:48,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:48,689 INFO L225 Difference]: With dead ends: 296 [2022-10-16 14:37:48,689 INFO L226 Difference]: Without dead ends: 168 [2022-10-16 14:37:48,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 14:37:48,692 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 173 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:48,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 244 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-10-16 14:37:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2022-10-16 14:37:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 106 states have (on average 1.6226415094339623) internal successors, (172), 147 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2022-10-16 14:37:48,715 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 9 [2022-10-16 14:37:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:48,715 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2022-10-16 14:37:48,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2022-10-16 14:37:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:37:48,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:48,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:48,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:37:48,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash -186283476, now seen corresponding path program 1 times [2022-10-16 14:37:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:48,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549263341] [2022-10-16 14:37:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:48,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:48,788 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 14:37:48,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:48,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549263341] [2022-10-16 14:37:48,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549263341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:48,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:48,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555377919] [2022-10-16 14:37:48,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:48,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:48,797 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:48,880 INFO L93 Difference]: Finished difference Result 405 states and 459 transitions. [2022-10-16 14:37:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:48,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 14:37:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:48,882 INFO L225 Difference]: With dead ends: 405 [2022-10-16 14:37:48,882 INFO L226 Difference]: Without dead ends: 265 [2022-10-16 14:37:48,884 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 14:37:48,885 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 155 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:48,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 354 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:48,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-16 14:37:48,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 151. [2022-10-16 14:37:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 109 states have (on average 1.6055045871559632) internal successors, (175), 150 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2022-10-16 14:37:48,900 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 9 [2022-10-16 14:37:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:48,900 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2022-10-16 14:37:48,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2022-10-16 14:37:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:37:48,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:48,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:48,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:37:48,902 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:48,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1413327947, now seen corresponding path program 1 times [2022-10-16 14:37:48,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:48,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881227741] [2022-10-16 14:37:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:48,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,025 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 14:37:49,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881227741] [2022-10-16 14:37:49,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881227741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:49,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937578233] [2022-10-16 14:37:49,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:49,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:49,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:49,032 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,111 INFO L93 Difference]: Finished difference Result 259 states and 287 transitions. [2022-10-16 14:37:49,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:49,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 14:37:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,114 INFO L225 Difference]: With dead ends: 259 [2022-10-16 14:37:49,114 INFO L226 Difference]: Without dead ends: 165 [2022-10-16 14:37:49,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 14:37:49,117 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 28 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 242 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-16 14:37:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2022-10-16 14:37:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 109 states have (on average 1.5963302752293578) internal successors, (174), 150 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 174 transitions. [2022-10-16 14:37:49,176 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 174 transitions. Word has length 10 [2022-10-16 14:37:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:49,176 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 174 transitions. [2022-10-16 14:37:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 174 transitions. [2022-10-16 14:37:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:37:49,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:49,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:49,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:37:49,178 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:49,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash 495000342, now seen corresponding path program 1 times [2022-10-16 14:37:49,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:49,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354701606] [2022-10-16 14:37:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,269 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 14:37:49,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354701606] [2022-10-16 14:37:49,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354701606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:49,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905313580] [2022-10-16 14:37:49,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:49,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:49,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:49,273 INFO L87 Difference]: Start difference. First operand 151 states and 174 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,332 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2022-10-16 14:37:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-10-16 14:37:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,334 INFO L225 Difference]: With dead ends: 168 [2022-10-16 14:37:49,334 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 14:37:49,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:49,336 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 8 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 377 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:49,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 14:37:49,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2022-10-16 14:37:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 120 states have (on average 1.5666666666666667) internal successors, (188), 161 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2022-10-16 14:37:49,348 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 14 [2022-10-16 14:37:49,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:49,349 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2022-10-16 14:37:49,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2022-10-16 14:37:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:37:49,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:49,350 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:49,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:37:49,351 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1738386039, now seen corresponding path program 1 times [2022-10-16 14:37:49,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:49,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523404757] [2022-10-16 14:37:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523404757] [2022-10-16 14:37:49,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523404757] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:49,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381338121] [2022-10-16 14:37:49,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:49,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:49,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:49,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:37:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:37:49,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381338121] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:49,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:49,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-10-16 14:37:49,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775473169] [2022-10-16 14:37:49,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:37:49,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:37:49,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:37:49,806 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,958 INFO L93 Difference]: Finished difference Result 413 states and 472 transitions. [2022-10-16 14:37:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:37:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 14:37:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,967 INFO L225 Difference]: With dead ends: 413 [2022-10-16 14:37:49,967 INFO L226 Difference]: Without dead ends: 411 [2022-10-16 14:37:49,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:37:49,973 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 283 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 848 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-10-16 14:37:49,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 194. [2022-10-16 14:37:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 152 states have (on average 1.5657894736842106) internal successors, (238), 193 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 238 transitions. [2022-10-16 14:37:50,000 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 238 transitions. Word has length 19 [2022-10-16 14:37:50,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,001 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 238 transitions. [2022-10-16 14:37:50,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 238 transitions. [2022-10-16 14:37:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 14:37:50,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,003 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:50,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:50,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:50,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1944607583, now seen corresponding path program 1 times [2022-10-16 14:37:50,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232956270] [2022-10-16 14:37:50,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232956270] [2022-10-16 14:37:50,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232956270] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:50,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194854410] [2022-10-16 14:37:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:50,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:50,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:37:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:37:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:37:50,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194854410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:50,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:37:50,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 14:37:50,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766954750] [2022-10-16 14:37:50,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:50,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:50,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:50,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:37:50,456 INFO L87 Difference]: Start difference. First operand 194 states and 238 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:50,480 INFO L93 Difference]: Finished difference Result 194 states and 238 transitions. [2022-10-16 14:37:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:50,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-10-16 14:37:50,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:50,482 INFO L225 Difference]: With dead ends: 194 [2022-10-16 14:37:50,483 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 14:37:50,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:37:50,484 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 129 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:50,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:50,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 14:37:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-10-16 14:37:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 152 states have (on average 1.5394736842105263) internal successors, (234), 192 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 234 transitions. [2022-10-16 14:37:50,495 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 234 transitions. Word has length 20 [2022-10-16 14:37:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,496 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 234 transitions. [2022-10-16 14:37:50,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 234 transitions. [2022-10-16 14:37:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 14:37:50,497 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,497 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] [2022-10-16 14:37:50,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:50,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 14:37:50,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -184630025, now seen corresponding path program 1 times [2022-10-16 14:37:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003876497] [2022-10-16 14:37:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:37:50,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003876497] [2022-10-16 14:37:50,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003876497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:50,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:50,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:50,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481995272] [2022-10-16 14:37:50,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:50,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:50,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:50,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:50,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:50,777 INFO L87 Difference]: Start difference. First operand 193 states and 234 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:50,828 INFO L93 Difference]: Finished difference Result 206 states and 242 transitions. [2022-10-16 14:37:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:50,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-10-16 14:37:50,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:50,831 INFO L225 Difference]: With dead ends: 206 [2022-10-16 14:37:50,843 INFO L226 Difference]: Without dead ends: 204 [2022-10-16 14:37:50,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:50,844 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 9 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:50,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 363 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-10-16 14:37:50,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 199. [2022-10-16 14:37:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 158 states have (on average 1.518987341772152) internal successors, (240), 198 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 240 transitions. [2022-10-16 14:37:50,855 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 240 transitions. Word has length 21 [2022-10-16 14:37:50,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,856 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 240 transitions. [2022-10-16 14:37:50,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 240 transitions. [2022-10-16 14:37:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 14:37:50,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,857 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:50,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:37:50,858 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,858 INFO L85 PathProgramCache]: Analyzing trace with hash -153292871, now seen corresponding path program 1 times [2022-10-16 14:37:50,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192160381] [2022-10-16 14:37:50,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192160381] [2022-10-16 14:37:50,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192160381] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:50,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387342661] [2022-10-16 14:37:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:50,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:50,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:50,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:37:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:51,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:51,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:51,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387342661] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:51,197 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:51,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-10-16 14:37:51,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106084013] [2022-10-16 14:37:51,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:51,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:37:51,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:51,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:37:51,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:37:51,200 INFO L87 Difference]: Start difference. First operand 199 states and 240 transitions. Second operand has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:51,560 INFO L93 Difference]: Finished difference Result 327 states and 392 transitions. [2022-10-16 14:37:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 14:37:51,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 14:37:51,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:51,563 INFO L225 Difference]: With dead ends: 327 [2022-10-16 14:37:51,563 INFO L226 Difference]: Without dead ends: 322 [2022-10-16 14:37:51,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:37:51,564 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 195 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:51,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 713 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:37:51,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-10-16 14:37:51,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 251. [2022-10-16 14:37:51,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.4952380952380953) internal successors, (314), 250 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 314 transitions. [2022-10-16 14:37:51,579 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 314 transitions. Word has length 21 [2022-10-16 14:37:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:51,579 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 314 transitions. [2022-10-16 14:37:51,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 314 transitions. [2022-10-16 14:37:51,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 14:37:51,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:51,581 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:51,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:51,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:51,796 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:51,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:51,797 INFO L85 PathProgramCache]: Analyzing trace with hash -457111645, now seen corresponding path program 1 times [2022-10-16 14:37:51,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:51,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647749386] [2022-10-16 14:37:51,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:51,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:51,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647749386] [2022-10-16 14:37:51,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647749386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:51,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:51,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626482708] [2022-10-16 14:37:51,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:51,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:51,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:51,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:51,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:51,860 INFO L87 Difference]: Start difference. First operand 251 states and 314 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:51,904 INFO L93 Difference]: Finished difference Result 256 states and 314 transitions. [2022-10-16 14:37:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:51,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 22 [2022-10-16 14:37:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:51,906 INFO L225 Difference]: With dead ends: 256 [2022-10-16 14:37:51,907 INFO L226 Difference]: Without dead ends: 255 [2022-10-16 14:37:51,907 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 14:37:51,908 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 31 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:51,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 241 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:51,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-10-16 14:37:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 251. [2022-10-16 14:37:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.4857142857142858) internal successors, (312), 250 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 312 transitions. [2022-10-16 14:37:51,921 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 312 transitions. Word has length 22 [2022-10-16 14:37:51,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:51,921 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 312 transitions. [2022-10-16 14:37:51,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 312 transitions. [2022-10-16 14:37:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 14:37:51,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:51,922 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:51,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:37:51,923 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:51,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash 499143716, now seen corresponding path program 1 times [2022-10-16 14:37:51,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:51,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486939954] [2022-10-16 14:37:51,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:37:51,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:51,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486939954] [2022-10-16 14:37:51,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486939954] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:51,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668247590] [2022-10-16 14:37:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:51,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:51,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:52,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:37:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:52,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:52,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:52,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:52,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668247590] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:52,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:52,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 13 [2022-10-16 14:37:52,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706763363] [2022-10-16 14:37:52,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:52,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:37:52,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:37:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:37:52,218 INFO L87 Difference]: Start difference. First operand 251 states and 312 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 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 14:37:52,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:52,715 INFO L93 Difference]: Finished difference Result 551 states and 678 transitions. [2022-10-16 14:37:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 14:37:52,715 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 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 25 [2022-10-16 14:37:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:52,718 INFO L225 Difference]: With dead ends: 551 [2022-10-16 14:37:52,718 INFO L226 Difference]: Without dead ends: 345 [2022-10-16 14:37:52,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=844, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:37:52,719 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 900 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:52,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 771 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:37:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-10-16 14:37:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 282. [2022-10-16 14:37:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 241 states have (on average 1.4564315352697095) internal successors, (351), 281 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 351 transitions. [2022-10-16 14:37:52,736 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 351 transitions. Word has length 25 [2022-10-16 14:37:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:52,736 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 351 transitions. [2022-10-16 14:37:52,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 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 14:37:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 351 transitions. [2022-10-16 14:37:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:37:52,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:52,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:52,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:52,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:52,953 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:52,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash -140198206, now seen corresponding path program 1 times [2022-10-16 14:37:52,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:52,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003490723] [2022-10-16 14:37:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:52,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:53,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:53,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003490723] [2022-10-16 14:37:53,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003490723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:53,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:53,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:53,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980297873] [2022-10-16 14:37:53,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:53,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:53,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:53,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:53,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:53,030 INFO L87 Difference]: Start difference. First operand 282 states and 351 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:53,094 INFO L93 Difference]: Finished difference Result 282 states and 351 transitions. [2022-10-16 14:37:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:53,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 27 [2022-10-16 14:37:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:53,096 INFO L225 Difference]: With dead ends: 282 [2022-10-16 14:37:53,096 INFO L226 Difference]: Without dead ends: 281 [2022-10-16 14:37:53,098 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 14:37:53,100 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 128 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:53,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 244 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-10-16 14:37:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-10-16 14:37:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 241 states have (on average 1.4149377593360997) internal successors, (341), 280 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 341 transitions. [2022-10-16 14:37:53,120 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 341 transitions. Word has length 27 [2022-10-16 14:37:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:53,123 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 341 transitions. [2022-10-16 14:37:53,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 341 transitions. [2022-10-16 14:37:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:37:53,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:53,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:53,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:37:53,129 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash -392589256, now seen corresponding path program 1 times [2022-10-16 14:37:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:53,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647404258] [2022-10-16 14:37:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:37:53,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:53,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647404258] [2022-10-16 14:37:53,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647404258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:53,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:53,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:53,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459638242] [2022-10-16 14:37:53,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:53,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:53,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:53,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:53,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:53,212 INFO L87 Difference]: Start difference. First operand 281 states and 341 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:53,249 INFO L93 Difference]: Finished difference Result 283 states and 341 transitions. [2022-10-16 14:37:53,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:53,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 14:37:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:53,252 INFO L225 Difference]: With dead ends: 283 [2022-10-16 14:37:53,252 INFO L226 Difference]: Without dead ends: 282 [2022-10-16 14:37:53,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:53,253 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 11 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:53,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 363 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-10-16 14:37:53,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2022-10-16 14:37:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 241 states have (on average 1.3900414937759336) internal successors, (335), 279 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 335 transitions. [2022-10-16 14:37:53,270 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 335 transitions. Word has length 38 [2022-10-16 14:37:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:53,271 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 335 transitions. [2022-10-16 14:37:53,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 335 transitions. [2022-10-16 14:37:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 14:37:53,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:53,272 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:53,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:37:53,272 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:53,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:53,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1400169835, now seen corresponding path program 1 times [2022-10-16 14:37:53,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:53,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117700540] [2022-10-16 14:37:53,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:53,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 14:37:53,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:53,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117700540] [2022-10-16 14:37:53,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117700540] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:53,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345489378] [2022-10-16 14:37:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:53,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:53,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:53,366 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:53,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:37:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:37:53,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:53,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:53,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345489378] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:53,656 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:53,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 17 [2022-10-16 14:37:53,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418411983] [2022-10-16 14:37:53,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:53,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:37:53,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:37:53,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:37:53,659 INFO L87 Difference]: Start difference. First operand 280 states and 335 transitions. Second operand has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 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 14:37:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:53,865 INFO L93 Difference]: Finished difference Result 688 states and 812 transitions. [2022-10-16 14:37:53,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:37:53,866 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 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 43 [2022-10-16 14:37:53,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:53,869 INFO L225 Difference]: With dead ends: 688 [2022-10-16 14:37:53,869 INFO L226 Difference]: Without dead ends: 453 [2022-10-16 14:37:53,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:37:53,873 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 343 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:53,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 822 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:53,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-10-16 14:37:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 333. [2022-10-16 14:37:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 295 states have (on average 1.3254237288135593) internal successors, (391), 332 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 391 transitions. [2022-10-16 14:37:53,895 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 391 transitions. Word has length 43 [2022-10-16 14:37:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:53,896 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 391 transitions. [2022-10-16 14:37:53,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 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 14:37:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 391 transitions. [2022-10-16 14:37:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 14:37:53,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:53,898 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:53,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:54,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:37:54,114 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:54,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1238445993, now seen corresponding path program 1 times [2022-10-16 14:37:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:54,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710288865] [2022-10-16 14:37:54,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:54,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:54,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710288865] [2022-10-16 14:37:54,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710288865] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:54,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092458448] [2022-10-16 14:37:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:54,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:54,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:54,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:37:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:54,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:37:54,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:54,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:54,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092458448] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:54,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:54,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2022-10-16 14:37:54,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492625184] [2022-10-16 14:37:54,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:54,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 14:37:54,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:54,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 14:37:54,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:37:54,724 INFO L87 Difference]: Start difference. First operand 333 states and 391 transitions. Second operand has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:55,205 INFO L93 Difference]: Finished difference Result 467 states and 544 transitions. [2022-10-16 14:37:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:37:55,206 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-16 14:37:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:55,208 INFO L225 Difference]: With dead ends: 467 [2022-10-16 14:37:55,208 INFO L226 Difference]: Without dead ends: 466 [2022-10-16 14:37:55,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:37:55,210 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 296 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:55,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 943 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:37:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-10-16 14:37:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 381. [2022-10-16 14:37:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 343 states have (on average 1.3032069970845481) internal successors, (447), 380 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 447 transitions. [2022-10-16 14:37:55,231 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 447 transitions. Word has length 45 [2022-10-16 14:37:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:55,232 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 447 transitions. [2022-10-16 14:37:55,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 447 transitions. [2022-10-16 14:37:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:37:55,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:55,233 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:55,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:55,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:37:55,451 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:55,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1902018501, now seen corresponding path program 1 times [2022-10-16 14:37:55,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:55,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732135769] [2022-10-16 14:37:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-10-16 14:37:55,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:55,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732135769] [2022-10-16 14:37:55,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732135769] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:55,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932906981] [2022-10-16 14:37:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:55,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:55,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:37:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:55,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:55,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 14:37:55,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:37:55,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932906981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:55,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:37:55,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2022-10-16 14:37:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539286817] [2022-10-16 14:37:55,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:55,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:37:55,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:55,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:37:55,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:37:55,771 INFO L87 Difference]: Start difference. First operand 381 states and 447 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 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 14:37:55,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:55,895 INFO L93 Difference]: Finished difference Result 694 states and 820 transitions. [2022-10-16 14:37:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:37:55,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 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 62 [2022-10-16 14:37:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:55,897 INFO L225 Difference]: With dead ends: 694 [2022-10-16 14:37:55,897 INFO L226 Difference]: Without dead ends: 353 [2022-10-16 14:37:55,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:37:55,899 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 31 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:55,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 351 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:55,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-10-16 14:37:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 352. [2022-10-16 14:37:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 314 states have (on average 1.302547770700637) internal successors, (409), 351 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 409 transitions. [2022-10-16 14:37:55,918 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 409 transitions. Word has length 62 [2022-10-16 14:37:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:55,919 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 409 transitions. [2022-10-16 14:37:55,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 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 14:37:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 409 transitions. [2022-10-16 14:37:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:37:55,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:55,920 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:55,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:56,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:56,135 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:56,136 INFO L85 PathProgramCache]: Analyzing trace with hash 530211203, now seen corresponding path program 2 times [2022-10-16 14:37:56,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:56,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108676268] [2022-10-16 14:37:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-10-16 14:37:56,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:56,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108676268] [2022-10-16 14:37:56,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108676268] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:56,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97736527] [2022-10-16 14:37:56,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:37:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:56,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:56,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:37:56,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:37:56,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:37:56,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:37:56,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:56,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:56,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97736527] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:56,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:56,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12, 12] total 25 [2022-10-16 14:37:56,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499458240] [2022-10-16 14:37:56,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:56,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 14:37:56,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:56,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 14:37:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:37:56,793 INFO L87 Difference]: Start difference. First operand 352 states and 409 transitions. Second operand has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:57,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:57,568 INFO L93 Difference]: Finished difference Result 864 states and 1012 transitions. [2022-10-16 14:37:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 14:37:57,569 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 14:37:57,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:57,572 INFO L225 Difference]: With dead ends: 864 [2022-10-16 14:37:57,572 INFO L226 Difference]: Without dead ends: 605 [2022-10-16 14:37:57,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=710, Invalid=2370, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:37:57,575 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 746 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:57,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 921 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:37:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2022-10-16 14:37:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 564. [2022-10-16 14:37:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 526 states have (on average 1.2547528517110267) internal successors, (660), 563 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 660 transitions. [2022-10-16 14:37:57,602 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 660 transitions. Word has length 62 [2022-10-16 14:37:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:57,602 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 660 transitions. [2022-10-16 14:37:57,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:57,603 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 660 transitions. [2022-10-16 14:37:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 14:37:57,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:57,604 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:57,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:57,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:37:57,813 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:57,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:57,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1529555543, now seen corresponding path program 1 times [2022-10-16 14:37:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:57,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924739817] [2022-10-16 14:37:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:57,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-16 14:37:57,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:57,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924739817] [2022-10-16 14:37:57,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924739817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:57,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:57,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:57,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443047985] [2022-10-16 14:37:57,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:57,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:57,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:57,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:57,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:57,934 INFO L87 Difference]: Start difference. First operand 564 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:57,989 INFO L93 Difference]: Finished difference Result 568 states and 660 transitions. [2022-10-16 14:37:57,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:57,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 14:37:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:57,993 INFO L225 Difference]: With dead ends: 568 [2022-10-16 14:37:57,993 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 14:37:57,994 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 14:37:57,994 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 12 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:57,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 358 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:57,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 14:37:58,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 564. [2022-10-16 14:37:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 526 states have (on average 1.2509505703422052) internal successors, (658), 563 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 658 transitions. [2022-10-16 14:37:58,023 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 658 transitions. Word has length 90 [2022-10-16 14:37:58,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:58,023 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 658 transitions. [2022-10-16 14:37:58,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 658 transitions. [2022-10-16 14:37:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 14:37:58,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:58,025 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2022-10-16 14:37:58,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 14:37:58,025 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:58,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:58,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1118774163, now seen corresponding path program 2 times [2022-10-16 14:37:58,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:58,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779747945] [2022-10-16 14:37:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:58,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 228 proven. 61 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:58,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:58,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779747945] [2022-10-16 14:37:58,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779747945] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:58,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256205912] [2022-10-16 14:37:58,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:37:58,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:58,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:58,448 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:58,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:37:58,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:37:58,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:37:58,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:37:58,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-10-16 14:37:58,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-10-16 14:37:58,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256205912] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:58,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:58,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 3, 3] total 20 [2022-10-16 14:37:58,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651246948] [2022-10-16 14:37:58,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:58,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:37:58,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:58,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:37:58,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:37:58,921 INFO L87 Difference]: Start difference. First operand 564 states and 658 transitions. Second operand has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:00,069 INFO L93 Difference]: Finished difference Result 1113 states and 1296 transitions. [2022-10-16 14:38:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:38:00,070 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 93 [2022-10-16 14:38:00,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:00,075 INFO L225 Difference]: With dead ends: 1113 [2022-10-16 14:38:00,075 INFO L226 Difference]: Without dead ends: 615 [2022-10-16 14:38:00,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=764, Invalid=2776, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:38:00,085 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 615 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:00,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1038 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:38:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2022-10-16 14:38:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 420. [2022-10-16 14:38:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 384 states have (on average 1.2317708333333333) internal successors, (473), 419 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 473 transitions. [2022-10-16 14:38:00,126 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 473 transitions. Word has length 93 [2022-10-16 14:38:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:00,126 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 473 transitions. [2022-10-16 14:38:00,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 473 transitions. [2022-10-16 14:38:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 14:38:00,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:00,128 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:00,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:00,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:00,341 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:00,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1159859962, now seen corresponding path program 2 times [2022-10-16 14:38:00,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:00,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117908250] [2022-10-16 14:38:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:00,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-10-16 14:38:00,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:00,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117908250] [2022-10-16 14:38:00,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117908250] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:00,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716991540] [2022-10-16 14:38:00,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:00,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:00,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:00,569 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:00,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:38:00,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:38:00,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:00,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:38:00,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-10-16 14:38:00,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:00,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716991540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:00,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:00,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-10-16 14:38:00,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847313396] [2022-10-16 14:38:00,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:00,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:00,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:00,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:00,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:00,810 INFO L87 Difference]: Start difference. First operand 420 states and 473 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 14:38:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:00,894 INFO L93 Difference]: Finished difference Result 420 states and 473 transitions. [2022-10-16 14:38:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:00,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 102 [2022-10-16 14:38:00,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:00,897 INFO L225 Difference]: With dead ends: 420 [2022-10-16 14:38:00,897 INFO L226 Difference]: Without dead ends: 417 [2022-10-16 14:38:00,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:38:00,899 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 125 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:00,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 252 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-10-16 14:38:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 374. [2022-10-16 14:38:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 341 states have (on average 1.1583577712609971) internal successors, (395), 373 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 395 transitions. [2022-10-16 14:38:00,960 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 395 transitions. Word has length 102 [2022-10-16 14:38:00,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:00,961 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 395 transitions. [2022-10-16 14:38:00,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 14:38:00,961 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 395 transitions. [2022-10-16 14:38:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 14:38:00,964 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:00,964 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:38:01,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:01,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 14:38:01,178 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1439363069, now seen corresponding path program 1 times [2022-10-16 14:38:01,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:01,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316107106] [2022-10-16 14:38:01,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-10-16 14:38:01,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:01,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316107106] [2022-10-16 14:38:01,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316107106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:01,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:01,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835151063] [2022-10-16 14:38:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:01,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:01,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:01,379 INFO L87 Difference]: Start difference. First operand 374 states and 395 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 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 14:38:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:01,415 INFO L93 Difference]: Finished difference Result 374 states and 395 transitions. [2022-10-16 14:38:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:01,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 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 161 [2022-10-16 14:38:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:01,418 INFO L225 Difference]: With dead ends: 374 [2022-10-16 14:38:01,418 INFO L226 Difference]: Without dead ends: 373 [2022-10-16 14:38:01,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:01,421 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 4 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:01,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 337 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-10-16 14:38:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-10-16 14:38:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 341 states have (on average 1.155425219941349) internal successors, (394), 372 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 394 transitions. [2022-10-16 14:38:01,441 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 394 transitions. Word has length 161 [2022-10-16 14:38:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:01,442 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 394 transitions. [2022-10-16 14:38:01,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 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 14:38:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 394 transitions. [2022-10-16 14:38:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 14:38:01,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:01,444 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:01,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 14:38:01,444 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:01,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:01,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2102010179, now seen corresponding path program 1 times [2022-10-16 14:38:01,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:01,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311207702] [2022-10-16 14:38:01,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:01,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:01,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:01,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311207702] [2022-10-16 14:38:01,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311207702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:01,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:01,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:01,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090481708] [2022-10-16 14:38:01,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:01,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:01,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:01,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:01,796 INFO L87 Difference]: Start difference. First operand 373 states and 394 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:01,917 INFO L93 Difference]: Finished difference Result 503 states and 552 transitions. [2022-10-16 14:38:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:01,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 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 170 [2022-10-16 14:38:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:01,920 INFO L225 Difference]: With dead ends: 503 [2022-10-16 14:38:01,920 INFO L226 Difference]: Without dead ends: 411 [2022-10-16 14:38:01,921 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 14:38:01,922 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 334 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:01,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 157 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-10-16 14:38:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 400. [2022-10-16 14:38:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 370 states have (on average 1.164864864864865) internal successors, (431), 399 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 431 transitions. [2022-10-16 14:38:01,965 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 431 transitions. Word has length 170 [2022-10-16 14:38:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:01,966 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 431 transitions. [2022-10-16 14:38:01,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 431 transitions. [2022-10-16 14:38:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-16 14:38:01,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:01,968 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 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] [2022-10-16 14:38:01,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 14:38:01,969 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:01,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:01,969 INFO L85 PathProgramCache]: Analyzing trace with hash -350340476, now seen corresponding path program 1 times [2022-10-16 14:38:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:01,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699149378] [2022-10-16 14:38:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:02,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:02,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699149378] [2022-10-16 14:38:02,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699149378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:02,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:02,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:02,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659090330] [2022-10-16 14:38:02,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:02,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:02,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:02,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:02,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:02,298 INFO L87 Difference]: Start difference. First operand 400 states and 431 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:02,488 INFO L93 Difference]: Finished difference Result 475 states and 507 transitions. [2022-10-16 14:38:02,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:02,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2022-10-16 14:38:02,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:02,493 INFO L225 Difference]: With dead ends: 475 [2022-10-16 14:38:02,493 INFO L226 Difference]: Without dead ends: 474 [2022-10-16 14:38:02,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:38:02,496 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 162 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:02,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 375 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:02,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-10-16 14:38:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 405. [2022-10-16 14:38:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 375 states have (on average 1.1653333333333333) internal successors, (437), 404 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2022-10-16 14:38:02,531 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 177 [2022-10-16 14:38:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:02,532 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2022-10-16 14:38:02,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2022-10-16 14:38:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:02,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:02,536 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 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] [2022-10-16 14:38:02,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 14:38:02,537 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1979500181, now seen corresponding path program 1 times [2022-10-16 14:38:02,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744533604] [2022-10-16 14:38:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:02,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:02,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:02,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744533604] [2022-10-16 14:38:02,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744533604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:02,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:02,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:02,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998377366] [2022-10-16 14:38:02,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:02,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:02,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:02,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:02,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:02,786 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 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 14:38:02,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:02,875 INFO L93 Difference]: Finished difference Result 416 states and 442 transitions. [2022-10-16 14:38:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:02,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 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 178 [2022-10-16 14:38:02,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:02,878 INFO L225 Difference]: With dead ends: 416 [2022-10-16 14:38:02,878 INFO L226 Difference]: Without dead ends: 414 [2022-10-16 14:38:02,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:02,879 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 31 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:02,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 286 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-16 14:38:02,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2022-10-16 14:38:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 378 states have (on average 1.164021164021164) internal successors, (440), 407 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 440 transitions. [2022-10-16 14:38:02,931 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 440 transitions. Word has length 178 [2022-10-16 14:38:02,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:02,931 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 440 transitions. [2022-10-16 14:38:02,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 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 14:38:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 440 transitions. [2022-10-16 14:38:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:02,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:02,934 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 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] [2022-10-16 14:38:02,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 14:38:02,936 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:02,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:02,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2024347298, now seen corresponding path program 1 times [2022-10-16 14:38:02,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:02,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087336096] [2022-10-16 14:38:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2022-10-16 14:38:03,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:03,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087336096] [2022-10-16 14:38:03,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087336096] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:03,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:03,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:03,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383589446] [2022-10-16 14:38:03,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:03,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:03,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:03,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:03,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:03,138 INFO L87 Difference]: Start difference. First operand 408 states and 440 transitions. Second operand has 5 states, 5 states have (on average 14.4) 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 14:38:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:03,222 INFO L93 Difference]: Finished difference Result 832 states and 901 transitions. [2022-10-16 14:38:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:38:03,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) 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 178 [2022-10-16 14:38:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:03,225 INFO L225 Difference]: With dead ends: 832 [2022-10-16 14:38:03,226 INFO L226 Difference]: Without dead ends: 527 [2022-10-16 14:38:03,226 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 14:38:03,227 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 19 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:03,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 442 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-10-16 14:38:03,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 408. [2022-10-16 14:38:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 378 states have (on average 1.164021164021164) internal successors, (440), 407 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 440 transitions. [2022-10-16 14:38:03,253 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 440 transitions. Word has length 178 [2022-10-16 14:38:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:03,253 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 440 transitions. [2022-10-16 14:38:03,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) 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 14:38:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 440 transitions. [2022-10-16 14:38:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:03,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:03,256 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 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] [2022-10-16 14:38:03,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 14:38:03,256 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:03,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2136487132, now seen corresponding path program 2 times [2022-10-16 14:38:03,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:03,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833393857] [2022-10-16 14:38:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:03,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-10-16 14:38:03,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:03,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833393857] [2022-10-16 14:38:03,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833393857] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:03,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566268890] [2022-10-16 14:38:03,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:03,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:03,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:03,658 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:03,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:38:03,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:03,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:03,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:03,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:03,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:03,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566268890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:03,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:03,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-10-16 14:38:03,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477468453] [2022-10-16 14:38:03,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:03,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:03,854 INFO L87 Difference]: Start difference. First operand 408 states and 440 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 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 14:38:04,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:04,045 INFO L93 Difference]: Finished difference Result 491 states and 527 transitions. [2022-10-16 14:38:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:04,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 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 178 [2022-10-16 14:38:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:04,049 INFO L225 Difference]: With dead ends: 491 [2022-10-16 14:38:04,049 INFO L226 Difference]: Without dead ends: 489 [2022-10-16 14:38:04,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:38:04,052 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 170 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:04,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 340 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-10-16 14:38:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 413. [2022-10-16 14:38:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 384 states have (on average 1.1640625) internal successors, (447), 412 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 447 transitions. [2022-10-16 14:38:04,080 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 447 transitions. Word has length 178 [2022-10-16 14:38:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:04,080 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 447 transitions. [2022-10-16 14:38:04,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 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 14:38:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 447 transitions. [2022-10-16 14:38:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:04,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:04,083 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 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] [2022-10-16 14:38:04,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:04,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 14:38:04,297 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash 513508402, now seen corresponding path program 1 times [2022-10-16 14:38:04,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:04,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004279996] [2022-10-16 14:38:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:04,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:04,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004279996] [2022-10-16 14:38:04,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004279996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:04,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:04,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:38:04,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8622787] [2022-10-16 14:38:04,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:04,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:04,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:04,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:04,484 INFO L87 Difference]: Start difference. First operand 413 states and 447 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 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 14:38:04,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:04,585 INFO L93 Difference]: Finished difference Result 541 states and 589 transitions. [2022-10-16 14:38:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:04,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 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 183 [2022-10-16 14:38:04,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:04,588 INFO L225 Difference]: With dead ends: 541 [2022-10-16 14:38:04,588 INFO L226 Difference]: Without dead ends: 427 [2022-10-16 14:38:04,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 14:38:04,589 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 37 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:04,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 253 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:04,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-10-16 14:38:04,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 414. [2022-10-16 14:38:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 385 states have (on average 1.1636363636363636) internal successors, (448), 413 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 448 transitions. [2022-10-16 14:38:04,615 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 448 transitions. Word has length 183 [2022-10-16 14:38:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:04,616 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 448 transitions. [2022-10-16 14:38:04,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 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 14:38:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 448 transitions. [2022-10-16 14:38:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:04,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:04,619 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 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] [2022-10-16 14:38:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 14:38:04,620 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 514955252, now seen corresponding path program 1 times [2022-10-16 14:38:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:04,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922451803] [2022-10-16 14:38:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:04,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:04,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922451803] [2022-10-16 14:38:04,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922451803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:04,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:04,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:04,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158911969] [2022-10-16 14:38:04,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:04,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:04,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:04,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:04,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:04,796 INFO L87 Difference]: Start difference. First operand 414 states and 448 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 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 14:38:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:04,864 INFO L93 Difference]: Finished difference Result 522 states and 572 transitions. [2022-10-16 14:38:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:04,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 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 183 [2022-10-16 14:38:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:04,867 INFO L225 Difference]: With dead ends: 522 [2022-10-16 14:38:04,867 INFO L226 Difference]: Without dead ends: 520 [2022-10-16 14:38:04,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:04,869 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 91 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:04,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 505 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-10-16 14:38:04,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 425. [2022-10-16 14:38:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 396 states have (on average 1.1666666666666667) internal successors, (462), 424 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 462 transitions. [2022-10-16 14:38:04,895 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 462 transitions. Word has length 183 [2022-10-16 14:38:04,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:04,896 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 462 transitions. [2022-10-16 14:38:04,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 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 14:38:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 462 transitions. [2022-10-16 14:38:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:04,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:04,899 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 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] [2022-10-16 14:38:04,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 14:38:04,899 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:04,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1831259984, now seen corresponding path program 1 times [2022-10-16 14:38:04,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:04,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123826258] [2022-10-16 14:38:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:05,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:05,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123826258] [2022-10-16 14:38:05,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123826258] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:05,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879453704] [2022-10-16 14:38:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:05,261 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:05,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:38:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:05,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:38:05,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:06,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:06,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879453704] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:06,268 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:06,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2022-10-16 14:38:06,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694912178] [2022-10-16 14:38:06,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:06,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 14:38:06,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 14:38:06,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:38:06,271 INFO L87 Difference]: Start difference. First operand 425 states and 462 transitions. Second operand has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:06,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:06,466 INFO L93 Difference]: Finished difference Result 911 states and 989 transitions. [2022-10-16 14:38:06,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:38:06,466 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 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 183 [2022-10-16 14:38:06,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:06,471 INFO L225 Difference]: With dead ends: 911 [2022-10-16 14:38:06,471 INFO L226 Difference]: Without dead ends: 765 [2022-10-16 14:38:06,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:38:06,473 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 222 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:06,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 774 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-10-16 14:38:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2022-10-16 14:38:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 736 states have (on average 1.1059782608695652) internal successors, (814), 764 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 814 transitions. [2022-10-16 14:38:06,519 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 814 transitions. Word has length 183 [2022-10-16 14:38:06,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:06,519 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 814 transitions. [2022-10-16 14:38:06,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 814 transitions. [2022-10-16 14:38:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-10-16 14:38:06,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:06,528 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:06,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:06,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:06,742 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1817960005, now seen corresponding path program 2 times [2022-10-16 14:38:06,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191885639] [2022-10-16 14:38:06,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 2806 proven. 502 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-10-16 14:38:07,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:07,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191885639] [2022-10-16 14:38:07,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191885639] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:07,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415279085] [2022-10-16 14:38:07,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:07,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:07,409 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:07,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:38:07,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:07,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:07,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:07,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:07,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:07,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415279085] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:07,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:07,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 14 [2022-10-16 14:38:07,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772575575] [2022-10-16 14:38:07,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:07,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:38:07,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:38:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:38:07,723 INFO L87 Difference]: Start difference. First operand 765 states and 814 transitions. Second operand has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:08,093 INFO L93 Difference]: Finished difference Result 1253 states and 1345 transitions. [2022-10-16 14:38:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:38:08,093 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 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 423 [2022-10-16 14:38:08,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:08,097 INFO L225 Difference]: With dead ends: 1253 [2022-10-16 14:38:08,097 INFO L226 Difference]: Without dead ends: 755 [2022-10-16 14:38:08,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 841 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:38:08,099 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 584 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:08,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 721 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:08,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-10-16 14:38:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 723. [2022-10-16 14:38:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 695 states have (on average 1.102158273381295) internal successors, (766), 722 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 766 transitions. [2022-10-16 14:38:08,168 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 766 transitions. Word has length 423 [2022-10-16 14:38:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:08,169 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 766 transitions. [2022-10-16 14:38:08,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 766 transitions. [2022-10-16 14:38:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-10-16 14:38:08,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:08,178 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:08,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:08,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 14:38:08,393 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:08,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1434268269, now seen corresponding path program 1 times [2022-10-16 14:38:08,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:08,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125966659] [2022-10-16 14:38:08,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2022-10-16 14:38:08,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:08,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125966659] [2022-10-16 14:38:08,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125966659] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:08,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839318288] [2022-10-16 14:38:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:08,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:08,831 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:08,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:38:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:09,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:38:09,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3499 proven. 8 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2022-10-16 14:38:09,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3255 proven. 252 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2022-10-16 14:38:09,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839318288] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:09,730 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:09,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 10] total 16 [2022-10-16 14:38:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642200459] [2022-10-16 14:38:09,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:09,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:38:09,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:09,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:38:09,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:38:09,734 INFO L87 Difference]: Start difference. First operand 723 states and 766 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:10,319 INFO L93 Difference]: Finished difference Result 1216 states and 1310 transitions. [2022-10-16 14:38:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:38:10,320 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 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 425 [2022-10-16 14:38:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:10,324 INFO L225 Difference]: With dead ends: 1216 [2022-10-16 14:38:10,325 INFO L226 Difference]: Without dead ends: 760 [2022-10-16 14:38:10,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 833 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:38:10,326 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 615 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:10,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 918 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:38:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-10-16 14:38:10,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 726. [2022-10-16 14:38:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 698 states have (on average 1.1275071633237823) internal successors, (787), 725 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 787 transitions. [2022-10-16 14:38:10,373 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 787 transitions. Word has length 425 [2022-10-16 14:38:10,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:10,374 INFO L495 AbstractCegarLoop]: Abstraction has 726 states and 787 transitions. [2022-10-16 14:38:10,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 787 transitions. [2022-10-16 14:38:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-10-16 14:38:10,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:10,377 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 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 14:38:10,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:10,591 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:10,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1125839816, now seen corresponding path program 1 times [2022-10-16 14:38:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:10,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951014871] [2022-10-16 14:38:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:10,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:10,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951014871] [2022-10-16 14:38:10,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951014871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:10,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:10,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205709598] [2022-10-16 14:38:10,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:10,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:10,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:10,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:10,957 INFO L87 Difference]: Start difference. First operand 726 states and 787 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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 14:38:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:11,043 INFO L93 Difference]: Finished difference Result 746 states and 809 transitions. [2022-10-16 14:38:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:11,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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 425 [2022-10-16 14:38:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:11,047 INFO L225 Difference]: With dead ends: 746 [2022-10-16 14:38:11,048 INFO L226 Difference]: Without dead ends: 744 [2022-10-16 14:38:11,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:11,049 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 17 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:11,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 353 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-10-16 14:38:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 730. [2022-10-16 14:38:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 702 states have (on average 1.1282051282051282) internal successors, (792), 729 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 792 transitions. [2022-10-16 14:38:11,097 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 792 transitions. Word has length 425 [2022-10-16 14:38:11,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:11,098 INFO L495 AbstractCegarLoop]: Abstraction has 730 states and 792 transitions. [2022-10-16 14:38:11,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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 14:38:11,098 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 792 transitions. [2022-10-16 14:38:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-10-16 14:38:11,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:11,102 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:11,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 14:38:11,103 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:11,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:11,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1089792845, now seen corresponding path program 1 times [2022-10-16 14:38:11,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:11,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304175563] [2022-10-16 14:38:11,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2022-10-16 14:38:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:11,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304175563] [2022-10-16 14:38:11,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304175563] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:11,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365648212] [2022-10-16 14:38:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:11,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:11,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:11,497 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:11,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:38:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:11,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:38:11,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 4375 proven. 28 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-10-16 14:38:12,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 3790 proven. 613 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-10-16 14:38:12,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365648212] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:12,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:12,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 14, 14] total 22 [2022-10-16 14:38:12,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321117937] [2022-10-16 14:38:12,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:12,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:38:12,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:12,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:38:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:38:12,810 INFO L87 Difference]: Start difference. First operand 730 states and 792 transitions. Second operand has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:13,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:13,621 INFO L93 Difference]: Finished difference Result 1091 states and 1194 transitions. [2022-10-16 14:38:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:38:13,621 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 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 426 [2022-10-16 14:38:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:13,625 INFO L225 Difference]: With dead ends: 1091 [2022-10-16 14:38:13,625 INFO L226 Difference]: Without dead ends: 744 [2022-10-16 14:38:13,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 827 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=970, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:38:13,627 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1002 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:13,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 1069 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:38:13,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-10-16 14:38:13,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 706. [2022-10-16 14:38:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 678 states have (on average 1.1194690265486726) internal successors, (759), 705 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 759 transitions. [2022-10-16 14:38:13,672 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 759 transitions. Word has length 426 [2022-10-16 14:38:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:13,673 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 759 transitions. [2022-10-16 14:38:13,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 759 transitions. [2022-10-16 14:38:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-10-16 14:38:13,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:13,676 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 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 14:38:13,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:13,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:13,893 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:13,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1900044924, now seen corresponding path program 1 times [2022-10-16 14:38:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:13,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51502680] [2022-10-16 14:38:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:14,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:14,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51502680] [2022-10-16 14:38:14,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51502680] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:14,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:14,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:38:14,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088363310] [2022-10-16 14:38:14,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:14,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:14,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:14,308 INFO L87 Difference]: Start difference. First operand 706 states and 759 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:14,426 INFO L93 Difference]: Finished difference Result 762 states and 822 transitions. [2022-10-16 14:38:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 426 [2022-10-16 14:38:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:14,432 INFO L225 Difference]: With dead ends: 762 [2022-10-16 14:38:14,432 INFO L226 Difference]: Without dead ends: 726 [2022-10-16 14:38:14,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 14:38:14,433 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 20 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:14,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 252 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-10-16 14:38:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 708. [2022-10-16 14:38:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 680 states have (on average 1.1205882352941177) internal successors, (762), 707 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 762 transitions. [2022-10-16 14:38:14,485 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 762 transitions. Word has length 426 [2022-10-16 14:38:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:14,485 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 762 transitions. [2022-10-16 14:38:14,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 762 transitions. [2022-10-16 14:38:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-10-16 14:38:14,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:14,489 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 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 14:38:14,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 14:38:14,489 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:14,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:14,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1264720480, now seen corresponding path program 1 times [2022-10-16 14:38:14,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:14,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264952837] [2022-10-16 14:38:14,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:14,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:14,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264952837] [2022-10-16 14:38:14,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264952837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:14,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:14,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:14,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575703350] [2022-10-16 14:38:14,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:14,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:14,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:14,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:14,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:14,991 INFO L87 Difference]: Start difference. First operand 708 states and 762 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:15,113 INFO L93 Difference]: Finished difference Result 742 states and 798 transitions. [2022-10-16 14:38:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 427 [2022-10-16 14:38:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:15,117 INFO L225 Difference]: With dead ends: 742 [2022-10-16 14:38:15,117 INFO L226 Difference]: Without dead ends: 723 [2022-10-16 14:38:15,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 14:38:15,118 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 224 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:15,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 165 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-10-16 14:38:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 708. [2022-10-16 14:38:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 680 states have (on average 1.1191176470588236) internal successors, (761), 707 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 761 transitions. [2022-10-16 14:38:15,162 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 761 transitions. Word has length 427 [2022-10-16 14:38:15,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:15,163 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 761 transitions. [2022-10-16 14:38:15,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 761 transitions. [2022-10-16 14:38:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-10-16 14:38:15,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:15,167 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:38:15,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 14:38:15,167 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:15,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1892040380, now seen corresponding path program 1 times [2022-10-16 14:38:15,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:15,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962998160] [2022-10-16 14:38:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5459 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5458 trivial. 0 not checked. [2022-10-16 14:38:15,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:15,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962998160] [2022-10-16 14:38:15,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962998160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:15,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:15,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:38:15,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744573581] [2022-10-16 14:38:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:15,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:15,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:15,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:15,714 INFO L87 Difference]: Start difference. First operand 708 states and 761 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:15,871 INFO L93 Difference]: Finished difference Result 913 states and 1000 transitions. [2022-10-16 14:38:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:38:15,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 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 429 [2022-10-16 14:38:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:15,875 INFO L225 Difference]: With dead ends: 913 [2022-10-16 14:38:15,875 INFO L226 Difference]: Without dead ends: 743 [2022-10-16 14:38:15,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:38:15,877 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 411 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:15,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 169 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-10-16 14:38:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 710. [2022-10-16 14:38:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 682 states have (on average 1.1187683284457477) internal successors, (763), 709 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 763 transitions. [2022-10-16 14:38:15,920 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 763 transitions. Word has length 429 [2022-10-16 14:38:15,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:15,921 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 763 transitions. [2022-10-16 14:38:15,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 763 transitions. [2022-10-16 14:38:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 14:38:15,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:15,925 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:15,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 14:38:15,925 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1883256071, now seen corresponding path program 1 times [2022-10-16 14:38:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:15,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780964687] [2022-10-16 14:38:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:15,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5457 trivial. 0 not checked. [2022-10-16 14:38:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:16,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780964687] [2022-10-16 14:38:16,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780964687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:16,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:16,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:16,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517126910] [2022-10-16 14:38:16,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:16,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:16,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:16,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:16,322 INFO L87 Difference]: Start difference. First operand 710 states and 763 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:16,486 INFO L93 Difference]: Finished difference Result 757 states and 807 transitions. [2022-10-16 14:38:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:16,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 435 [2022-10-16 14:38:16,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:16,491 INFO L225 Difference]: With dead ends: 757 [2022-10-16 14:38:16,491 INFO L226 Difference]: Without dead ends: 756 [2022-10-16 14:38:16,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:38:16,492 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 83 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:16,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 412 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:16,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-10-16 14:38:16,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 728. [2022-10-16 14:38:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 700 states have (on average 1.12) internal successors, (784), 727 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 784 transitions. [2022-10-16 14:38:16,539 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 784 transitions. Word has length 435 [2022-10-16 14:38:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:16,539 INFO L495 AbstractCegarLoop]: Abstraction has 728 states and 784 transitions. [2022-10-16 14:38:16,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 784 transitions. [2022-10-16 14:38:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 14:38:16,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:16,543 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:38:16,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 14:38:16,543 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:16,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:16,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1884702921, now seen corresponding path program 1 times [2022-10-16 14:38:16,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:16,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992591385] [2022-10-16 14:38:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:17,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992591385] [2022-10-16 14:38:17,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992591385] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:17,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52568395] [2022-10-16 14:38:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:17,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:17,081 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:17,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:38:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:17,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 14:38:17,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 4629 proven. 60 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2022-10-16 14:38:18,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3557 proven. 1132 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2022-10-16 14:38:18,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52568395] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:18,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:18,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 29 [2022-10-16 14:38:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446054257] [2022-10-16 14:38:18,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:18,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 14:38:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 14:38:18,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:38:18,709 INFO L87 Difference]: Start difference. First operand 728 states and 784 transitions. Second operand has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:19,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:19,763 INFO L93 Difference]: Finished difference Result 1018 states and 1112 transitions. [2022-10-16 14:38:19,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 14:38:19,764 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 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 435 [2022-10-16 14:38:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:19,768 INFO L225 Difference]: With dead ends: 1018 [2022-10-16 14:38:19,768 INFO L226 Difference]: Without dead ends: 709 [2022-10-16 14:38:19,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 839 SyntacticMatches, 9 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=432, Invalid=2018, Unknown=0, NotChecked=0, Total=2450 [2022-10-16 14:38:19,770 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 269 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:19,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1231 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:38:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-10-16 14:38:19,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 706. [2022-10-16 14:38:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 678 states have (on average 1.1135693215339233) internal successors, (755), 705 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 755 transitions. [2022-10-16 14:38:19,815 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 755 transitions. Word has length 435 [2022-10-16 14:38:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:19,816 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 755 transitions. [2022-10-16 14:38:19,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 755 transitions. [2022-10-16 14:38:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-10-16 14:38:19,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:19,819 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:19,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:20,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 14:38:20,033 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:20,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash -273875023, now seen corresponding path program 1 times [2022-10-16 14:38:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:20,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748932297] [2022-10-16 14:38:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:20,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:20,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:20,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748932297] [2022-10-16 14:38:20,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748932297] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:20,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447421177] [2022-10-16 14:38:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:20,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:20,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:20,977 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:20,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:38:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:21,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:38:21,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:22,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:23,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447421177] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:23,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:23,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2022-10-16 14:38:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801842526] [2022-10-16 14:38:23,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:23,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 14:38:23,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 14:38:23,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:38:23,554 INFO L87 Difference]: Start difference. First operand 706 states and 755 transitions. Second operand has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:23,817 INFO L93 Difference]: Finished difference Result 1084 states and 1173 transitions. [2022-10-16 14:38:23,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:38:23,818 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 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 436 [2022-10-16 14:38:23,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:23,822 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 14:38:23,822 INFO L226 Difference]: Without dead ends: 889 [2022-10-16 14:38:23,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 889 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=1185, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:38:23,824 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 381 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:23,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1217 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-10-16 14:38:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 798. [2022-10-16 14:38:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.1025974025974026) internal successors, (849), 797 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 849 transitions. [2022-10-16 14:38:23,875 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 849 transitions. Word has length 436 [2022-10-16 14:38:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:23,876 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 849 transitions. [2022-10-16 14:38:23,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 849 transitions. [2022-10-16 14:38:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-10-16 14:38:23,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:23,880 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:23,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:24,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-10-16 14:38:24,093 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:24,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:24,095 INFO L85 PathProgramCache]: Analyzing trace with hash 983107210, now seen corresponding path program 2 times [2022-10-16 14:38:24,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:24,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638100721] [2022-10-16 14:38:24,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:24,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 3641 proven. 3326 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-10-16 14:38:25,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:25,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638100721] [2022-10-16 14:38:25,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638100721] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:25,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404783645] [2022-10-16 14:38:25,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:25,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:25,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:25,589 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:25,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:38:25,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:25,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:25,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:25,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:25,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:25,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404783645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:25,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:25,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [22] total 25 [2022-10-16 14:38:25,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162295431] [2022-10-16 14:38:25,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:25,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:25,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:25,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:25,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:38:25,993 INFO L87 Difference]: Start difference. First operand 798 states and 849 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:26,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:26,157 INFO L93 Difference]: Finished difference Result 839 states and 889 transitions. [2022-10-16 14:38:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:26,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 516 [2022-10-16 14:38:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:26,161 INFO L225 Difference]: With dead ends: 839 [2022-10-16 14:38:26,162 INFO L226 Difference]: Without dead ends: 838 [2022-10-16 14:38:26,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2022-10-16 14:38:26,163 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 98 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:26,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 347 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-10-16 14:38:26,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 798. [2022-10-16 14:38:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.1012987012987012) internal successors, (848), 797 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 848 transitions. [2022-10-16 14:38:26,219 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 848 transitions. Word has length 516 [2022-10-16 14:38:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:26,220 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 848 transitions. [2022-10-16 14:38:26,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 848 transitions. [2022-10-16 14:38:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-10-16 14:38:26,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:26,225 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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 14:38:26,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:26,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:26,440 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:26,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:26,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1488068077, now seen corresponding path program 1 times [2022-10-16 14:38:26,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:26,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989224510] [2022-10-16 14:38:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7908 trivial. 0 not checked. [2022-10-16 14:38:27,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:27,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989224510] [2022-10-16 14:38:27,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989224510] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:27,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341471224] [2022-10-16 14:38:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:27,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:27,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:27,178 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:27,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:38:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:27,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 14:38:27,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 6863 proven. 104 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-10-16 14:38:28,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 5158 proven. 1809 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-10-16 14:38:29,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341471224] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:29,342 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:29,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 22, 22] total 36 [2022-10-16 14:38:29,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733265155] [2022-10-16 14:38:29,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:29,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:38:29,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:29,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:38:29,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1051, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:29,345 INFO L87 Difference]: Start difference. First operand 798 states and 848 transitions. Second operand has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:31,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:31,155 INFO L93 Difference]: Finished difference Result 1102 states and 1181 transitions. [2022-10-16 14:38:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:38:31,158 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 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 530 [2022-10-16 14:38:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:31,163 INFO L225 Difference]: With dead ends: 1102 [2022-10-16 14:38:31,163 INFO L226 Difference]: Without dead ends: 815 [2022-10-16 14:38:31,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1021 SyntacticMatches, 11 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1919 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1093, Invalid=4759, Unknown=0, NotChecked=0, Total=5852 [2022-10-16 14:38:31,166 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 1114 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:31,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1079 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:38:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2022-10-16 14:38:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 786. [2022-10-16 14:38:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 758 states have (on average 1.1002638522427441) internal successors, (834), 785 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 834 transitions. [2022-10-16 14:38:31,228 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 834 transitions. Word has length 530 [2022-10-16 14:38:31,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:31,229 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 834 transitions. [2022-10-16 14:38:31,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 834 transitions. [2022-10-16 14:38:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-10-16 14:38:31,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:31,235 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-10-16 14:38:31,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:31,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:31,451 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1541004816, now seen corresponding path program 1 times [2022-10-16 14:38:31,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:31,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935352230] [2022-10-16 14:38:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:32,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:32,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935352230] [2022-10-16 14:38:32,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935352230] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:32,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368904298] [2022-10-16 14:38:32,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:32,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:32,259 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:32,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 14:38:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:32,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:38:32,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:33,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:34,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368904298] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:34,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:34,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-10-16 14:38:34,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48303373] [2022-10-16 14:38:34,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:34,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:34,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:34,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:34,116 INFO L87 Difference]: Start difference. First operand 786 states and 834 transitions. Second operand has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:34,675 INFO L93 Difference]: Finished difference Result 1009 states and 1090 transitions. [2022-10-16 14:38:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:38:34,676 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 530 [2022-10-16 14:38:34,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:34,680 INFO L225 Difference]: With dead ends: 1009 [2022-10-16 14:38:34,681 INFO L226 Difference]: Without dead ends: 830 [2022-10-16 14:38:34,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 1050 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=373, Invalid=887, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:34,682 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 808 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:34,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 475 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:34,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-10-16 14:38:34,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 798. [2022-10-16 14:38:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.0987012987012987) internal successors, (846), 797 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 846 transitions. [2022-10-16 14:38:34,736 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 846 transitions. Word has length 530 [2022-10-16 14:38:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:34,737 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 846 transitions. [2022-10-16 14:38:34,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 846 transitions. [2022-10-16 14:38:34,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-10-16 14:38:34,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:34,742 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 14:38:34,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:34,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-10-16 14:38:34,943 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:34,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2042330460, now seen corresponding path program 2 times [2022-10-16 14:38:34,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:34,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914842962] [2022-10-16 14:38:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:35,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:35,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914842962] [2022-10-16 14:38:35,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914842962] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:35,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283000288] [2022-10-16 14:38:35,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:35,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:35,937 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:35,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 14:38:36,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:36,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:36,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:38:36,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2022-10-16 14:38:36,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2022-10-16 14:38:37,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283000288] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:37,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:37,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 20 [2022-10-16 14:38:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336771370] [2022-10-16 14:38:37,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:37,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:37,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:37,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:37,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:37,486 INFO L87 Difference]: Start difference. First operand 798 states and 846 transitions. Second operand has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:38,081 INFO L93 Difference]: Finished difference Result 1021 states and 1106 transitions. [2022-10-16 14:38:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 14:38:38,083 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 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 542 [2022-10-16 14:38:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:38,087 INFO L225 Difference]: With dead ends: 1021 [2022-10-16 14:38:38,087 INFO L226 Difference]: Without dead ends: 842 [2022-10-16 14:38:38,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1113 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=409, Invalid=923, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:38:38,088 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 905 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:38,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 465 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:38,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2022-10-16 14:38:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 790. [2022-10-16 14:38:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 763 states have (on average 1.0956749672346002) internal successors, (836), 789 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 836 transitions. [2022-10-16 14:38:38,138 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 836 transitions. Word has length 542 [2022-10-16 14:38:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:38,138 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 836 transitions. [2022-10-16 14:38:38,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 836 transitions. [2022-10-16 14:38:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-10-16 14:38:38,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:38,143 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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] [2022-10-16 14:38:38,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:38,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-10-16 14:38:38,358 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:38,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash -939664356, now seen corresponding path program 1 times [2022-10-16 14:38:38,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:38,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761882005] [2022-10-16 14:38:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7960 trivial. 0 not checked. [2022-10-16 14:38:38,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:38,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761882005] [2022-10-16 14:38:38,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761882005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:38,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:38,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:38,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355576322] [2022-10-16 14:38:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:38,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:38,757 INFO L87 Difference]: Start difference. First operand 790 states and 836 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 14:38:38,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:38,850 INFO L93 Difference]: Finished difference Result 906 states and 969 transitions. [2022-10-16 14:38:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:38,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 550 [2022-10-16 14:38:38,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:38,857 INFO L225 Difference]: With dead ends: 906 [2022-10-16 14:38:38,857 INFO L226 Difference]: Without dead ends: 904 [2022-10-16 14:38:38,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:38,859 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 89 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:38,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 491 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:38,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-10-16 14:38:38,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 798. [2022-10-16 14:38:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 771 states have (on average 1.0972762645914398) internal successors, (846), 797 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 846 transitions. [2022-10-16 14:38:38,932 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 846 transitions. Word has length 550 [2022-10-16 14:38:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:38,934 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 846 transitions. [2022-10-16 14:38:38,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 14:38:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 846 transitions. [2022-10-16 14:38:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-10-16 14:38:38,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:38,941 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 14:38:38,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 14:38:38,942 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:38,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:38,948 INFO L85 PathProgramCache]: Analyzing trace with hash 908276163, now seen corresponding path program 1 times [2022-10-16 14:38:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:38,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955264783] [2022-10-16 14:38:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 7962 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7950 trivial. 0 not checked. [2022-10-16 14:38:39,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:39,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955264783] [2022-10-16 14:38:39,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955264783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:39,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:39,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:39,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797545096] [2022-10-16 14:38:39,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:39,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:39,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:39,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:39,302 INFO L87 Difference]: Start difference. First operand 798 states and 846 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 14:38:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:39,396 INFO L93 Difference]: Finished difference Result 813 states and 862 transitions. [2022-10-16 14:38:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:39,397 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 551 [2022-10-16 14:38:39,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:39,400 INFO L225 Difference]: With dead ends: 813 [2022-10-16 14:38:39,400 INFO L226 Difference]: Without dead ends: 808 [2022-10-16 14:38:39,401 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 14:38:39,401 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 75 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:39,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 202 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-10-16 14:38:39,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 793. [2022-10-16 14:38:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 771 states have (on average 1.0894941634241244) internal successors, (840), 792 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 840 transitions. [2022-10-16 14:38:39,475 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 840 transitions. Word has length 551 [2022-10-16 14:38:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:39,476 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 840 transitions. [2022-10-16 14:38:39,476 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 14:38:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 840 transitions. [2022-10-16 14:38:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-10-16 14:38:39,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:39,481 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 14:38:39,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 14:38:39,481 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:39,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:39,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1908209795, now seen corresponding path program 1 times [2022-10-16 14:38:39,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:39,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667193183] [2022-10-16 14:38:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7951 trivial. 0 not checked. [2022-10-16 14:38:39,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:39,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667193183] [2022-10-16 14:38:39,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667193183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:39,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:39,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:39,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458502443] [2022-10-16 14:38:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:39,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:39,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:39,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:39,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:39,799 INFO L87 Difference]: Start difference. First operand 793 states and 840 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 14:38:39,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:39,896 INFO L93 Difference]: Finished difference Result 793 states and 840 transitions. [2022-10-16 14:38:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:39,897 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 552 [2022-10-16 14:38:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:39,901 INFO L225 Difference]: With dead ends: 793 [2022-10-16 14:38:39,901 INFO L226 Difference]: Without dead ends: 787 [2022-10-16 14:38:39,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:39,902 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 76 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:39,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 175 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-10-16 14:38:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 765. [2022-10-16 14:38:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 749 states have (on average 1.074766355140187) internal successors, (805), 764 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 805 transitions. [2022-10-16 14:38:39,948 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 805 transitions. Word has length 552 [2022-10-16 14:38:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:39,949 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 805 transitions. [2022-10-16 14:38:39,949 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 14:38:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 805 transitions. [2022-10-16 14:38:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-10-16 14:38:39,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:39,952 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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] [2022-10-16 14:38:39,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 14:38:39,953 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:39,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1075817476, now seen corresponding path program 1 times [2022-10-16 14:38:39,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:39,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490450288] [2022-10-16 14:38:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:39,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:40,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:40,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490450288] [2022-10-16 14:38:40,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490450288] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:40,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007850957] [2022-10-16 14:38:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:40,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:40,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:40,991 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:40,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 14:38:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:41,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:38:41,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:42,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:43,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007850957] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:43,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:43,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:38:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926056994] [2022-10-16 14:38:43,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:43,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:38:43,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:38:43,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:43,141 INFO L87 Difference]: Start difference. First operand 765 states and 805 transitions. Second operand has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:43,775 INFO L93 Difference]: Finished difference Result 940 states and 1004 transitions. [2022-10-16 14:38:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 14:38:43,776 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 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 552 [2022-10-16 14:38:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:43,780 INFO L225 Difference]: With dead ends: 940 [2022-10-16 14:38:43,780 INFO L226 Difference]: Without dead ends: 800 [2022-10-16 14:38:43,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1082 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=603, Invalid=1947, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 14:38:43,782 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 749 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:43,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 812 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-10-16 14:38:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2022-10-16 14:38:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 755 states have (on average 1.0741721854304636) internal successors, (811), 770 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 811 transitions. [2022-10-16 14:38:43,833 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 811 transitions. Word has length 552 [2022-10-16 14:38:43,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:43,834 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 811 transitions. [2022-10-16 14:38:43,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 811 transitions. [2022-10-16 14:38:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-10-16 14:38:43,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:43,838 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-10-16 14:38:43,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:44,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-10-16 14:38:44,052 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:44,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash 776393366, now seen corresponding path program 2 times [2022-10-16 14:38:44,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:44,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575491848] [2022-10-16 14:38:44,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:44,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 7968 trivial. 0 not checked. [2022-10-16 14:38:44,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:44,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575491848] [2022-10-16 14:38:44,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575491848] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:44,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959688825] [2022-10-16 14:38:44,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:44,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:44,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:44,880 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:44,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 14:38:45,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:45,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:45,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:45,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 7976 trivial. 0 not checked. [2022-10-16 14:38:45,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:45,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959688825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:45,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:45,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2022-10-16 14:38:45,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661795824] [2022-10-16 14:38:45,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:45,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:45,395 INFO L87 Difference]: Start difference. First operand 771 states and 811 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 14:38:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:45,456 INFO L93 Difference]: Finished difference Result 771 states and 811 transitions. [2022-10-16 14:38:45,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:45,457 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 558 [2022-10-16 14:38:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:45,464 INFO L225 Difference]: With dead ends: 771 [2022-10-16 14:38:45,464 INFO L226 Difference]: Without dead ends: 770 [2022-10-16 14:38:45,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:45,465 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 73 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:45,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 235 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-10-16 14:38:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 764. [2022-10-16 14:38:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 749 states have (on average 1.069425901201602) internal successors, (801), 763 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 801 transitions. [2022-10-16 14:38:45,515 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 801 transitions. Word has length 558 [2022-10-16 14:38:45,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:45,516 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 801 transitions. [2022-10-16 14:38:45,516 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 14:38:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 801 transitions. [2022-10-16 14:38:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-10-16 14:38:45,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:45,521 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2022-10-16 14:38:45,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-10-16 14:38:45,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:45,734 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash 239302002, now seen corresponding path program 1 times [2022-10-16 14:38:45,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:45,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614526551] [2022-10-16 14:38:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:45,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-10-16 14:38:46,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:46,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614526551] [2022-10-16 14:38:46,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614526551] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:46,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155157504] [2022-10-16 14:38:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:46,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:46,400 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:46,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 14:38:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:47,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:38:47,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:47,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:48,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155157504] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:48,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:48,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-10-16 14:38:48,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351552462] [2022-10-16 14:38:48,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:48,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:48,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:48,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:48,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:48,622 INFO L87 Difference]: Start difference. First operand 764 states and 801 transitions. Second operand has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:50,361 INFO L93 Difference]: Finished difference Result 1214 states and 1320 transitions. [2022-10-16 14:38:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:38:50,362 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 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 560 [2022-10-16 14:38:50,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:50,366 INFO L225 Difference]: With dead ends: 1214 [2022-10-16 14:38:50,366 INFO L226 Difference]: Without dead ends: 1075 [2022-10-16 14:38:50,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1061, Invalid=3099, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 14:38:50,368 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 1740 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:50,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 641 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:38:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2022-10-16 14:38:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 958. [2022-10-16 14:38:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 943 states have (on average 1.0922587486744433) internal successors, (1030), 957 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1030 transitions. [2022-10-16 14:38:50,426 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1030 transitions. Word has length 560 [2022-10-16 14:38:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:50,427 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1030 transitions. [2022-10-16 14:38:50,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1030 transitions. [2022-10-16 14:38:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2022-10-16 14:38:50,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:50,432 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:50,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-10-16 14:38:50,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-10-16 14:38:50,645 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:50,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1112796806, now seen corresponding path program 1 times [2022-10-16 14:38:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:50,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723818755] [2022-10-16 14:38:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:50,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:51,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:51,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723818755] [2022-10-16 14:38:51,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723818755] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:51,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617219898] [2022-10-16 14:38:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:51,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:51,529 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:51,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 14:38:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:52,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:38:52,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:53,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:53,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617219898] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:53,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:53,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2022-10-16 14:38:53,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772603] [2022-10-16 14:38:53,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:53,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:38:53,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:53,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:38:53,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:38:53,851 INFO L87 Difference]: Start difference. First operand 958 states and 1030 transitions. Second operand has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:54,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:54,500 INFO L93 Difference]: Finished difference Result 1350 states and 1482 transitions. [2022-10-16 14:38:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:38:54,501 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 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 600 [2022-10-16 14:38:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:54,506 INFO L225 Difference]: With dead ends: 1350 [2022-10-16 14:38:54,507 INFO L226 Difference]: Without dead ends: 1017 [2022-10-16 14:38:54,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=571, Invalid=1685, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:38:54,508 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 783 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:54,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 727 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-10-16 14:38:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 988. [2022-10-16 14:38:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 973 states have (on average 1.0894141829393629) internal successors, (1060), 987 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1060 transitions. [2022-10-16 14:38:54,562 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1060 transitions. Word has length 600 [2022-10-16 14:38:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:54,563 INFO L495 AbstractCegarLoop]: Abstraction has 988 states and 1060 transitions. [2022-10-16 14:38:54,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1060 transitions. [2022-10-16 14:38:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-10-16 14:38:54,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:54,568 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:54,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:54,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:54,784 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:54,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 111797178, now seen corresponding path program 2 times [2022-10-16 14:38:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:54,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599666977] [2022-10-16 14:38:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8245 backedges. 25 proven. 72 refuted. 0 times theorem prover too weak. 8148 trivial. 0 not checked. [2022-10-16 14:38:55,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599666977] [2022-10-16 14:38:55,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599666977] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023899048] [2022-10-16 14:38:55,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:55,470 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:55,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 14:38:55,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:55,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:55,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:55,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8245 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8155 trivial. 0 not checked. [2022-10-16 14:38:56,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:56,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023899048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:56,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:56,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-10-16 14:38:56,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896608205] [2022-10-16 14:38:56,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:56,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:56,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:56,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:38:56,067 INFO L87 Difference]: Start difference. First operand 988 states and 1060 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 14:38:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:56,194 INFO L93 Difference]: Finished difference Result 988 states and 1060 transitions. [2022-10-16 14:38:56,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:56,194 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 630 [2022-10-16 14:38:56,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:56,199 INFO L225 Difference]: With dead ends: 988 [2022-10-16 14:38:56,199 INFO L226 Difference]: Without dead ends: 987 [2022-10-16 14:38:56,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:56,200 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 135 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:56,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 193 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-10-16 14:38:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 987. [2022-10-16 14:38:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 973 states have (on average 1.08016443987667) internal successors, (1051), 986 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1051 transitions. [2022-10-16 14:38:56,266 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1051 transitions. Word has length 630 [2022-10-16 14:38:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:56,266 INFO L495 AbstractCegarLoop]: Abstraction has 987 states and 1051 transitions. [2022-10-16 14:38:56,266 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 14:38:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1051 transitions. [2022-10-16 14:38:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2022-10-16 14:38:56,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:56,272 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:56,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:56,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2022-10-16 14:38:56,488 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1917684806, now seen corresponding path program 1 times [2022-10-16 14:38:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:56,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929043005] [2022-10-16 14:38:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 8210 trivial. 0 not checked. [2022-10-16 14:38:57,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:57,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929043005] [2022-10-16 14:38:57,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929043005] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:57,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707638934] [2022-10-16 14:38:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:57,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:57,060 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:57,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 14:38:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:57,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:38:57,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8152 trivial. 0 not checked. [2022-10-16 14:38:57,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:57,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707638934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:57,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:57,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 14:38:57,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523058276] [2022-10-16 14:38:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:57,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:57,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:57,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:57,955 INFO L87 Difference]: Start difference. First operand 987 states and 1051 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:58,099 INFO L93 Difference]: Finished difference Result 1241 states and 1333 transitions. [2022-10-16 14:38:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 635 [2022-10-16 14:38:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:58,104 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 14:38:58,105 INFO L226 Difference]: Without dead ends: 879 [2022-10-16 14:38:58,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:38:58,106 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 86 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:58,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 304 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-16 14:38:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 844. [2022-10-16 14:38:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 830 states have (on average 1.0566265060240965) internal successors, (877), 843 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 877 transitions. [2022-10-16 14:38:58,189 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 877 transitions. Word has length 635 [2022-10-16 14:38:58,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:58,189 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 877 transitions. [2022-10-16 14:38:58,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 877 transitions. [2022-10-16 14:38:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-10-16 14:38:58,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:58,195 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:38:58,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:58,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:58,409 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:58,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1410938366, now seen corresponding path program 1 times [2022-10-16 14:38:58,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:58,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68598179] [2022-10-16 14:38:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 8211 trivial. 0 not checked. [2022-10-16 14:38:58,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:58,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68598179] [2022-10-16 14:38:58,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68598179] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:58,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94764071] [2022-10-16 14:38:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:58,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:58,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:58,844 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:58,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-16 14:38:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:59,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:38:59,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 83 proven. 45 refuted. 0 times theorem prover too weak. 8153 trivial. 0 not checked. [2022-10-16 14:39:00,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 83 proven. 45 refuted. 0 times theorem prover too weak. 8153 trivial. 0 not checked. [2022-10-16 14:39:01,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94764071] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:01,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:01,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 22 [2022-10-16 14:39:01,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746766480] [2022-10-16 14:39:01,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:01,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:39:01,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:01,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:39:01,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:39:01,487 INFO L87 Difference]: Start difference. First operand 844 states and 877 transitions. Second operand has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:03,171 INFO L93 Difference]: Finished difference Result 1286 states and 1381 transitions. [2022-10-16 14:39:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-16 14:39:03,171 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 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 639 [2022-10-16 14:39:03,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:03,175 INFO L225 Difference]: With dead ends: 1286 [2022-10-16 14:39:03,175 INFO L226 Difference]: Without dead ends: 1173 [2022-10-16 14:39:03,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1279 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1861 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1404, Invalid=4916, Unknown=0, NotChecked=0, Total=6320 [2022-10-16 14:39:03,177 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2104 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:03,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 750 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:39:03,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-10-16 14:39:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1016. [2022-10-16 14:39:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1002 states have (on average 1.0748502994011977) internal successors, (1077), 1015 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1077 transitions. [2022-10-16 14:39:03,247 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1077 transitions. Word has length 639 [2022-10-16 14:39:03,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:03,248 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1077 transitions. [2022-10-16 14:39:03,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1077 transitions. [2022-10-16 14:39:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-10-16 14:39:03,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:03,253 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:03,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-10-16 14:39:03,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:03,469 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:03,470 INFO L85 PathProgramCache]: Analyzing trace with hash 65562701, now seen corresponding path program 1 times [2022-10-16 14:39:03,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:03,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405685721] [2022-10-16 14:39:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:03,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:04,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:04,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405685721] [2022-10-16 14:39:04,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405685721] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:04,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668769171] [2022-10-16 14:39:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:04,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:04,390 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:04,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-16 14:39:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:05,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:05,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:06,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:07,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668769171] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:07,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:07,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:39:07,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637928100] [2022-10-16 14:39:07,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:07,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:39:07,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:07,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:39:07,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:39:07,182 INFO L87 Difference]: Start difference. First operand 1016 states and 1077 transitions. Second operand has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:08,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:08,036 INFO L93 Difference]: Finished difference Result 1369 states and 1479 transitions. [2022-10-16 14:39:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:39:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 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 662 [2022-10-16 14:39:08,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:08,040 INFO L225 Difference]: With dead ends: 1369 [2022-10-16 14:39:08,040 INFO L226 Difference]: Without dead ends: 1106 [2022-10-16 14:39:08,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1301 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=680, Invalid=2400, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:39:08,041 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 1172 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:08,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 927 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:08,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-10-16 14:39:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1027. [2022-10-16 14:39:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1013 states have (on average 1.0740375123395853) internal successors, (1088), 1026 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1088 transitions. [2022-10-16 14:39:08,121 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1088 transitions. Word has length 662 [2022-10-16 14:39:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:08,121 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1088 transitions. [2022-10-16 14:39:08,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1088 transitions. [2022-10-16 14:39:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2022-10-16 14:39:08,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:08,127 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:08,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:08,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:08,336 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:08,337 INFO L85 PathProgramCache]: Analyzing trace with hash 221736599, now seen corresponding path program 2 times [2022-10-16 14:39:08,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:08,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858138775] [2022-10-16 14:39:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:08,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 70 proven. 6 refuted. 0 times theorem prover too weak. 8388 trivial. 0 not checked. [2022-10-16 14:39:08,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858138775] [2022-10-16 14:39:08,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858138775] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472193256] [2022-10-16 14:39:08,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:08,885 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:08,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-10-16 14:39:09,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:39:09,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:09,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:09,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8423 trivial. 0 not checked. [2022-10-16 14:39:09,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:39:09,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472193256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:09,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:39:09,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 14:39:09,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416216856] [2022-10-16 14:39:09,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:09,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:39:09,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:09,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:39:09,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:39:09,702 INFO L87 Difference]: Start difference. First operand 1027 states and 1088 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 14:39:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:09,782 INFO L93 Difference]: Finished difference Result 1027 states and 1088 transitions. [2022-10-16 14:39:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:39:09,782 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 673 [2022-10-16 14:39:09,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:09,784 INFO L225 Difference]: With dead ends: 1027 [2022-10-16 14:39:09,784 INFO L226 Difference]: Without dead ends: 1026 [2022-10-16 14:39:09,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:39:09,785 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 76 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:09,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 281 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2022-10-16 14:39:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1021. [2022-10-16 14:39:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 1008 states have (on average 1.070436507936508) internal successors, (1079), 1020 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1079 transitions. [2022-10-16 14:39:09,859 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1079 transitions. Word has length 673 [2022-10-16 14:39:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:09,860 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1079 transitions. [2022-10-16 14:39:09,860 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 14:39:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1079 transitions. [2022-10-16 14:39:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-10-16 14:39:09,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:09,865 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:09,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:10,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2022-10-16 14:39:10,074 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:10,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1496736332, now seen corresponding path program 1 times [2022-10-16 14:39:10,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:10,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976133682] [2022-10-16 14:39:10,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 8608 trivial. 0 not checked. [2022-10-16 14:39:10,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:10,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976133682] [2022-10-16 14:39:10,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976133682] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:10,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810754259] [2022-10-16 14:39:10,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:10,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:10,560 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:10,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-10-16 14:39:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:11,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:39:11,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 403 proven. 1 refuted. 0 times theorem prover too weak. 8243 trivial. 0 not checked. [2022-10-16 14:39:11,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 358 proven. 46 refuted. 0 times theorem prover too weak. 8243 trivial. 0 not checked. [2022-10-16 14:39:11,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810754259] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:11,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:11,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2022-10-16 14:39:11,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165301289] [2022-10-16 14:39:11,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:11,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 14:39:11,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:11,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 14:39:11,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:39:11,930 INFO L87 Difference]: Start difference. First operand 1021 states and 1079 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:12,505 INFO L93 Difference]: Finished difference Result 1308 states and 1408 transitions. [2022-10-16 14:39:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:39:12,506 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 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 708 [2022-10-16 14:39:12,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:12,509 INFO L225 Difference]: With dead ends: 1308 [2022-10-16 14:39:12,509 INFO L226 Difference]: Without dead ends: 1074 [2022-10-16 14:39:12,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1436 GetRequests, 1407 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:39:12,510 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 182 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:12,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1112 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:12,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-10-16 14:39:12,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 954. [2022-10-16 14:39:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 941 states have (on average 1.0616365568544102) internal successors, (999), 953 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 999 transitions. [2022-10-16 14:39:12,564 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 999 transitions. Word has length 708 [2022-10-16 14:39:12,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:12,564 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 999 transitions. [2022-10-16 14:39:12,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 999 transitions. [2022-10-16 14:39:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2022-10-16 14:39:12,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:12,569 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:12,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:12,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:12,769 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:12,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash -17698114, now seen corresponding path program 1 times [2022-10-16 14:39:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:12,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296138043] [2022-10-16 14:39:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8680 trivial. 0 not checked. [2022-10-16 14:39:13,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:13,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296138043] [2022-10-16 14:39:13,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296138043] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:13,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408307529] [2022-10-16 14:39:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:13,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:13,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:13,304 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:13,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-10-16 14:39:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:14,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:39:14,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 15 proven. 426 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2022-10-16 14:39:15,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 15 proven. 426 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2022-10-16 14:39:16,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408307529] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:16,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:16,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12, 12] total 25 [2022-10-16 14:39:16,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771745805] [2022-10-16 14:39:16,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:16,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 14:39:16,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:16,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 14:39:16,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:39:16,470 INFO L87 Difference]: Start difference. First operand 954 states and 999 transitions. Second operand has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:17,640 INFO L93 Difference]: Finished difference Result 1271 states and 1353 transitions. [2022-10-16 14:39:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 14:39:17,641 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 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 710 [2022-10-16 14:39:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:17,643 INFO L225 Difference]: With dead ends: 1271 [2022-10-16 14:39:17,643 INFO L226 Difference]: Without dead ends: 1126 [2022-10-16 14:39:17,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1453 GetRequests, 1399 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=845, Invalid=2235, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:39:17,644 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1640 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:17,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 671 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-10-16 14:39:17,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1050. [2022-10-16 14:39:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1038 states have (on average 1.0597302504816957) internal successors, (1100), 1049 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1100 transitions. [2022-10-16 14:39:17,731 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1100 transitions. Word has length 710 [2022-10-16 14:39:17,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:17,731 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 1100 transitions. [2022-10-16 14:39:17,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1100 transitions. [2022-10-16 14:39:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2022-10-16 14:39:17,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:17,737 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 13, 13, 13, 13, 13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:17,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:17,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:17,951 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:17,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1991616653, now seen corresponding path program 1 times [2022-10-16 14:39:17,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:17,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340502253] [2022-10-16 14:39:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9201 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 9157 trivial. 0 not checked. [2022-10-16 14:39:18,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:18,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340502253] [2022-10-16 14:39:18,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340502253] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:18,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938225192] [2022-10-16 14:39:18,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:18,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:18,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:18,513 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:18,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-10-16 14:39:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:19,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:39:19,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9201 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9157 trivial. 0 not checked. [2022-10-16 14:39:19,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:39:19,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938225192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:19,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:39:19,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:39:19,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096369805] [2022-10-16 14:39:19,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:19,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:39:19,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:19,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:39:19,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:39:19,430 INFO L87 Difference]: Start difference. First operand 1050 states and 1100 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:19,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:19,525 INFO L93 Difference]: Finished difference Result 1054 states and 1104 transitions. [2022-10-16 14:39:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:39:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763 [2022-10-16 14:39:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:19,527 INFO L225 Difference]: With dead ends: 1054 [2022-10-16 14:39:19,527 INFO L226 Difference]: Without dead ends: 1053 [2022-10-16 14:39:19,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:39:19,528 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 22 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:19,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 519 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:19,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-10-16 14:39:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1049. [2022-10-16 14:39:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1038 states have (on average 1.056840077071291) internal successors, (1097), 1048 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1097 transitions. [2022-10-16 14:39:19,593 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1097 transitions. Word has length 763 [2022-10-16 14:39:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:19,593 INFO L495 AbstractCegarLoop]: Abstraction has 1049 states and 1097 transitions. [2022-10-16 14:39:19,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1097 transitions. [2022-10-16 14:39:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2022-10-16 14:39:19,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:19,601 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 13, 13, 13, 13, 13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:19,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:19,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-10-16 14:39:19,814 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:19,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1573628616, now seen corresponding path program 2 times [2022-10-16 14:39:19,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:19,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236094558] [2022-10-16 14:39:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:19,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 13 proven. 719 refuted. 0 times theorem prover too weak. 8491 trivial. 0 not checked. [2022-10-16 14:39:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:20,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236094558] [2022-10-16 14:39:20,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236094558] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:20,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010092484] [2022-10-16 14:39:20,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:20,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:20,629 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:20,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-10-16 14:39:21,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:21,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:21,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:21,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 9141 trivial. 0 not checked. [2022-10-16 14:39:21,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 9141 trivial. 0 not checked. [2022-10-16 14:39:21,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010092484] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:21,425 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:21,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 18 [2022-10-16 14:39:21,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629936820] [2022-10-16 14:39:21,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:21,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:39:21,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:21,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:39:21,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:39:21,428 INFO L87 Difference]: Start difference. First operand 1049 states and 1097 transitions. Second operand has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:22,082 INFO L93 Difference]: Finished difference Result 1287 states and 1359 transitions. [2022-10-16 14:39:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 14:39:22,082 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 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 766 [2022-10-16 14:39:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:22,085 INFO L225 Difference]: With dead ends: 1287 [2022-10-16 14:39:22,085 INFO L226 Difference]: Without dead ends: 1108 [2022-10-16 14:39:22,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1567 GetRequests, 1529 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:39:22,087 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 389 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:22,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 927 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:39:22,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-10-16 14:39:22,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1038. [2022-10-16 14:39:22,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1028 states have (on average 1.051556420233463) internal successors, (1081), 1037 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1081 transitions. [2022-10-16 14:39:22,150 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1081 transitions. Word has length 766 [2022-10-16 14:39:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:22,151 INFO L495 AbstractCegarLoop]: Abstraction has 1038 states and 1081 transitions. [2022-10-16 14:39:22,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1081 transitions. [2022-10-16 14:39:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2022-10-16 14:39:22,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:22,155 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 16, 16, 16, 16, 15, 15, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:22,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:22,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-10-16 14:39:22,356 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:22,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:22,358 INFO L85 PathProgramCache]: Analyzing trace with hash -301584984, now seen corresponding path program 2 times [2022-10-16 14:39:22,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:22,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445202067] [2022-10-16 14:39:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:22,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 458 proven. 659 refuted. 0 times theorem prover too weak. 8513 trivial. 0 not checked. [2022-10-16 14:39:23,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:23,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445202067] [2022-10-16 14:39:23,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445202067] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:23,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943189224] [2022-10-16 14:39:23,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:23,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:23,138 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:23,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-10-16 14:39:23,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:23,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:23,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:23,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 279 proven. 8 refuted. 0 times theorem prover too weak. 9343 trivial. 0 not checked. [2022-10-16 14:39:23,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 279 proven. 8 refuted. 0 times theorem prover too weak. 9343 trivial. 0 not checked. [2022-10-16 14:39:23,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943189224] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:23,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:23,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2022-10-16 14:39:23,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15652336] [2022-10-16 14:39:23,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:23,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:39:23,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:23,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:39:23,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:39:23,996 INFO L87 Difference]: Start difference. First operand 1038 states and 1081 transitions. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:24,549 INFO L93 Difference]: Finished difference Result 1222 states and 1284 transitions. [2022-10-16 14:39:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:39:24,549 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 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 798 [2022-10-16 14:39:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:24,551 INFO L225 Difference]: With dead ends: 1222 [2022-10-16 14:39:24,551 INFO L226 Difference]: Without dead ends: 1056 [2022-10-16 14:39:24,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1622 GetRequests, 1592 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:39:24,552 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 167 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:24,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 799 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:39:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-10-16 14:39:24,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1029. [2022-10-16 14:39:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1020 states have (on average 1.0470588235294118) internal successors, (1068), 1028 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 14:39:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1068 transitions. [2022-10-16 14:39:24,614 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1068 transitions. Word has length 798 [2022-10-16 14:39:24,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:24,615 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1068 transitions. [2022-10-16 14:39:24,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1068 transitions. [2022-10-16 14:39:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-10-16 14:39:24,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:24,620 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:24,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:24,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:24,823 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:24,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:24,824 INFO L85 PathProgramCache]: Analyzing trace with hash -984762565, now seen corresponding path program 1 times [2022-10-16 14:39:24,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:24,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763626219] [2022-10-16 14:39:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10369 trivial. 0 not checked. [2022-10-16 14:39:25,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:25,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763626219] [2022-10-16 14:39:25,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763626219] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:25,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133397387] [2022-10-16 14:39:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:25,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:25,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:25,424 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:25,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-10-16 14:39:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:26,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:26,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 834 proven. 894 refuted. 0 times theorem prover too weak. 8644 trivial. 0 not checked. [2022-10-16 14:39:28,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 834 proven. 894 refuted. 0 times theorem prover too weak. 8644 trivial. 0 not checked. [2022-10-16 14:39:29,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133397387] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:29,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:29,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 14] total 28 [2022-10-16 14:39:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795522831] [2022-10-16 14:39:29,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:29,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:39:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:29,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:39:29,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:39:29,204 INFO L87 Difference]: Start difference. First operand 1029 states and 1068 transitions. Second operand has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:30,266 INFO L93 Difference]: Finished difference Result 1243 states and 1299 transitions. [2022-10-16 14:39:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 14:39:30,266 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 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 863 [2022-10-16 14:39:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:30,268 INFO L225 Difference]: With dead ends: 1243 [2022-10-16 14:39:30,268 INFO L226 Difference]: Without dead ends: 1106 [2022-10-16 14:39:30,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1765 GetRequests, 1707 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=699, Invalid=2607, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:39:30,270 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1555 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:30,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 723 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-10-16 14:39:30,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1048. [2022-10-16 14:39:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1039 states have (on average 1.0461982675649664) internal successors, (1087), 1047 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1087 transitions. [2022-10-16 14:39:30,341 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1087 transitions. Word has length 863 [2022-10-16 14:39:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:30,341 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1087 transitions. [2022-10-16 14:39:30,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1087 transitions. [2022-10-16 14:39:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2022-10-16 14:39:30,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:30,369 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:30,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:30,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:30,574 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:30,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1567675523, now seen corresponding path program 1 times [2022-10-16 14:39:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:30,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369625650] [2022-10-16 14:39:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10535 trivial. 0 not checked. [2022-10-16 14:39:31,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:31,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369625650] [2022-10-16 14:39:31,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369625650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:31,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:39:31,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:39:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55562953] [2022-10-16 14:39:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:39:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:31,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:39:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:39:31,031 INFO L87 Difference]: Start difference. First operand 1048 states and 1087 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:31,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:31,129 INFO L93 Difference]: Finished difference Result 1054 states and 1093 transitions. [2022-10-16 14:39:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:39:31,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 879 [2022-10-16 14:39:31,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:31,132 INFO L225 Difference]: With dead ends: 1054 [2022-10-16 14:39:31,132 INFO L226 Difference]: Without dead ends: 1052 [2022-10-16 14:39:31,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:39:31,133 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 3 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:31,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 258 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-10-16 14:39:31,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-10-16 14:39:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1043 states have (on average 1.0460210930009588) internal successors, (1091), 1051 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1091 transitions. [2022-10-16 14:39:31,200 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1091 transitions. Word has length 879 [2022-10-16 14:39:31,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:31,200 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1091 transitions. [2022-10-16 14:39:31,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:31,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1091 transitions. [2022-10-16 14:39:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2022-10-16 14:39:31,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:31,208 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:31,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 14:39:31,209 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:31,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash 225291769, now seen corresponding path program 1 times [2022-10-16 14:39:31,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:31,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649708579] [2022-10-16 14:39:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10535 trivial. 0 not checked. [2022-10-16 14:39:31,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:31,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649708579] [2022-10-16 14:39:31,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649708579] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:31,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138805170] [2022-10-16 14:39:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:31,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:31,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:31,887 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:31,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-10-16 14:39:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:32,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:39:32,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 1868 proven. 8 refuted. 0 times theorem prover too weak. 8665 trivial. 0 not checked. [2022-10-16 14:39:33,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 1672 proven. 204 refuted. 0 times theorem prover too weak. 8665 trivial. 0 not checked. [2022-10-16 14:39:33,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138805170] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:33,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:33,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 20 [2022-10-16 14:39:33,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127694671] [2022-10-16 14:39:33,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:33,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:39:33,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:33,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:39:33,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:39:33,907 INFO L87 Difference]: Start difference. First operand 1052 states and 1091 transitions. Second operand has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:34,556 INFO L93 Difference]: Finished difference Result 1232 states and 1288 transitions. [2022-10-16 14:39:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:39:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 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 885 [2022-10-16 14:39:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:34,558 INFO L225 Difference]: With dead ends: 1232 [2022-10-16 14:39:34,558 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 14:39:34,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1751 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=789, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:39:34,559 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 168 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:34,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 901 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:34,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 14:39:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1072. [2022-10-16 14:39:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1063 states have (on average 1.046095954844779) internal successors, (1112), 1071 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1112 transitions. [2022-10-16 14:39:34,632 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1112 transitions. Word has length 885 [2022-10-16 14:39:34,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:34,633 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 1112 transitions. [2022-10-16 14:39:34,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1112 transitions. [2022-10-16 14:39:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2022-10-16 14:39:34,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:34,639 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 22, 22, 22, 22, 22, 22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:34,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:34,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:34,840 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:34,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:34,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1162431987, now seen corresponding path program 1 times [2022-10-16 14:39:34,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:34,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074543453] [2022-10-16 14:39:34,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 10932 trivial. 0 not checked. [2022-10-16 14:39:35,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:35,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074543453] [2022-10-16 14:39:35,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074543453] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:35,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832837186] [2022-10-16 14:39:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:35,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:35,434 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:35,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-10-16 14:39:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:36,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:39:36,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 0 proven. 2064 refuted. 0 times theorem prover too weak. 8880 trivial. 0 not checked. [2022-10-16 14:39:38,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 0 proven. 2064 refuted. 0 times theorem prover too weak. 8880 trivial. 0 not checked. [2022-10-16 14:39:39,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832837186] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:39,575 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:39,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 24 [2022-10-16 14:39:39,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977760081] [2022-10-16 14:39:39,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:39,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:39:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:39,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:39:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:39:39,578 INFO L87 Difference]: Start difference. First operand 1072 states and 1112 transitions. Second operand has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:40,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:40,376 INFO L93 Difference]: Finished difference Result 1256 states and 1315 transitions. [2022-10-16 14:39:40,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:39:40,377 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 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 906 [2022-10-16 14:39:40,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:40,379 INFO L225 Difference]: With dead ends: 1256 [2022-10-16 14:39:40,379 INFO L226 Difference]: Without dead ends: 1203 [2022-10-16 14:39:40,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1804 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=470, Invalid=1600, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:39:40,380 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1174 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:40,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 558 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-10-16 14:39:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1163. [2022-10-16 14:39:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1154 states have (on average 1.0493934142114385) internal successors, (1211), 1162 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1211 transitions. [2022-10-16 14:39:40,460 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1211 transitions. Word has length 906 [2022-10-16 14:39:40,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:40,461 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1211 transitions. [2022-10-16 14:39:40,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1211 transitions. [2022-10-16 14:39:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2022-10-16 14:39:40,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:40,468 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:40,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:40,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2022-10-16 14:39:40,669 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1108232691, now seen corresponding path program 2 times [2022-10-16 14:39:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:40,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271195690] [2022-10-16 14:39:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12740 trivial. 0 not checked. [2022-10-16 14:39:41,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:41,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271195690] [2022-10-16 14:39:41,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271195690] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:41,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565540406] [2022-10-16 14:39:41,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:41,347 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:41,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-10-16 14:39:42,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:42,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:42,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:39:42,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12741 trivial. 0 not checked. [2022-10-16 14:39:43,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12741 trivial. 0 not checked. [2022-10-16 14:39:44,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565540406] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:44,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:44,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-10-16 14:39:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032955446] [2022-10-16 14:39:44,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:44,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:39:44,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:44,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:39:44,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:39:44,761 INFO L87 Difference]: Start difference. First operand 1163 states and 1211 transitions. Second operand has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:45,147 INFO L93 Difference]: Finished difference Result 1199 states and 1252 transitions. [2022-10-16 14:39:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:39:45,147 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 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 1019 [2022-10-16 14:39:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:45,150 INFO L225 Difference]: With dead ends: 1199 [2022-10-16 14:39:45,151 INFO L226 Difference]: Without dead ends: 1198 [2022-10-16 14:39:45,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2053 GetRequests, 2032 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:39:45,152 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 397 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:45,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 337 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:39:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-10-16 14:39:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1162. [2022-10-16 14:39:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1154 states have (on average 1.048526863084922) internal successors, (1210), 1161 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1210 transitions. [2022-10-16 14:39:45,267 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1210 transitions. Word has length 1019 [2022-10-16 14:39:45,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:45,268 INFO L495 AbstractCegarLoop]: Abstraction has 1162 states and 1210 transitions. [2022-10-16 14:39:45,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1210 transitions. [2022-10-16 14:39:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2022-10-16 14:39:45,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:45,274 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:45,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:45,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-10-16 14:39:45,481 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1108284329, now seen corresponding path program 1 times [2022-10-16 14:39:45,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:45,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285180703] [2022-10-16 14:39:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 2432 proven. 1305 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:46,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285180703] [2022-10-16 14:39:46,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285180703] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:46,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103166783] [2022-10-16 14:39:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:46,818 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:46,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-10-16 14:39:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:47,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:39:47,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 3731 proven. 6 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:48,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 3620 proven. 117 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:49,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103166783] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:49,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:49,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 23 [2022-10-16 14:39:49,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430431018] [2022-10-16 14:39:49,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:49,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 14:39:49,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 14:39:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:39:49,218 INFO L87 Difference]: Start difference. First operand 1162 states and 1210 transitions. Second operand has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:49,950 INFO L93 Difference]: Finished difference Result 1336 states and 1402 transitions. [2022-10-16 14:39:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 14:39:49,951 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 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 1019 [2022-10-16 14:39:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:49,953 INFO L225 Difference]: With dead ends: 1336 [2022-10-16 14:39:49,953 INFO L226 Difference]: Without dead ends: 1176 [2022-10-16 14:39:49,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2061 GetRequests, 2019 SyntacticMatches, 10 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:39:49,954 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 119 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:49,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1038 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:39:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2022-10-16 14:39:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1170. [2022-10-16 14:39:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1162 states have (on average 1.0481927710843373) internal successors, (1218), 1169 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1218 transitions. [2022-10-16 14:39:50,036 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1218 transitions. Word has length 1019 [2022-10-16 14:39:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:50,037 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1218 transitions. [2022-10-16 14:39:50,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1218 transitions. [2022-10-16 14:39:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2022-10-16 14:39:50,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:50,044 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:50,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:50,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 14:39:50,244 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:50,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:50,246 INFO L85 PathProgramCache]: Analyzing trace with hash -67493583, now seen corresponding path program 2 times [2022-10-16 14:39:50,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:50,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035129676] [2022-10-16 14:39:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:39:51,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:51,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035129676] [2022-10-16 14:39:51,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035129676] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:51,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084694107] [2022-10-16 14:39:51,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:51,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:51,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:51,870 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:51,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-10-16 14:39:53,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:39:53,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:53,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:53,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:39:55,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:39:56,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084694107] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:56,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:56,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:39:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104751930] [2022-10-16 14:39:56,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:56,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:39:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:56,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:39:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:39:56,337 INFO L87 Difference]: Start difference. First operand 1170 states and 1218 transitions. Second operand has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:57,308 INFO L93 Difference]: Finished difference Result 1376 states and 1442 transitions. [2022-10-16 14:39:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:39:57,309 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 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 1027 [2022-10-16 14:39:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:57,312 INFO L225 Difference]: With dead ends: 1376 [2022-10-16 14:39:57,312 INFO L226 Difference]: Without dead ends: 1227 [2022-10-16 14:39:57,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2089 GetRequests, 2031 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=707, Invalid=2599, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:39:57,313 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 1269 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:57,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 856 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:39:57,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-10-16 14:39:57,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1189. [2022-10-16 14:39:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1181 states have (on average 1.048264182895851) internal successors, (1238), 1188 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1238 transitions. [2022-10-16 14:39:57,423 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1238 transitions. Word has length 1027 [2022-10-16 14:39:57,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:57,424 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1238 transitions. [2022-10-16 14:39:57,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1238 transitions. [2022-10-16 14:39:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2022-10-16 14:39:57,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:57,435 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:57,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:57,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2022-10-16 14:39:57,649 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:57,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1333661385, now seen corresponding path program 3 times [2022-10-16 14:39:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:57,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719115263] [2022-10-16 14:39:57,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 13236 backedges. 1060 proven. 3150 refuted. 0 times theorem prover too weak. 9026 trivial. 0 not checked. [2022-10-16 14:39:59,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719115263] [2022-10-16 14:39:59,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719115263] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007092112] [2022-10-16 14:39:59,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:39:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:59,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:59,297 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:59,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-10-16 14:40:00,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:40:00,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:00,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:40:00,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 13236 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13227 trivial. 0 not checked. [2022-10-16 14:40:00,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:00,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007092112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:00,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:00,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 16 [2022-10-16 14:40:00,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489041305] [2022-10-16 14:40:00,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:00,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:00,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:00,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:00,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:40:00,299 INFO L87 Difference]: Start difference. First operand 1189 states and 1238 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:00,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:00,417 INFO L93 Difference]: Finished difference Result 1189 states and 1238 transitions. [2022-10-16 14:40:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:00,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1046 [2022-10-16 14:40:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:00,420 INFO L225 Difference]: With dead ends: 1189 [2022-10-16 14:40:00,420 INFO L226 Difference]: Without dead ends: 1188 [2022-10-16 14:40:00,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:40:00,421 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:00,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 217 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-10-16 14:40:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1188. [2022-10-16 14:40:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1181 states have (on average 1.0474174428450467) internal successors, (1237), 1187 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1237 transitions. [2022-10-16 14:40:00,557 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1237 transitions. Word has length 1046 [2022-10-16 14:40:00,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:00,558 INFO L495 AbstractCegarLoop]: Abstraction has 1188 states and 1237 transitions. [2022-10-16 14:40:00,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1237 transitions. [2022-10-16 14:40:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2022-10-16 14:40:00,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:00,569 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 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 14:40:00,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:00,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:00,784 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:00,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:00,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2053329417, now seen corresponding path program 1 times [2022-10-16 14:40:00,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:00,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596374617] [2022-10-16 14:40:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13221 trivial. 0 not checked. [2022-10-16 14:40:01,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:01,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596374617] [2022-10-16 14:40:01,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596374617] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:01,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632519719] [2022-10-16 14:40:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:01,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:01,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:01,928 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:01,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-10-16 14:40:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:03,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:40:03,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 4203 proven. 21 refuted. 0 times theorem prover too weak. 8998 trivial. 0 not checked. [2022-10-16 14:40:03,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 3737 proven. 487 refuted. 0 times theorem prover too weak. 8998 trivial. 0 not checked. [2022-10-16 14:40:04,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632519719] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:04,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:04,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 16] total 28 [2022-10-16 14:40:04,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467685150] [2022-10-16 14:40:04,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:04,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:04,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:04,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:04,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:04,679 INFO L87 Difference]: Start difference. First operand 1188 states and 1237 transitions. Second operand has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:05,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:05,935 INFO L93 Difference]: Finished difference Result 1383 states and 1451 transitions. [2022-10-16 14:40:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 14:40:05,936 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 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 1047 [2022-10-16 14:40:05,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:05,938 INFO L225 Difference]: With dead ends: 1383 [2022-10-16 14:40:05,938 INFO L226 Difference]: Without dead ends: 1238 [2022-10-16 14:40:05,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2132 GetRequests, 2068 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=652, Invalid=2770, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 14:40:05,940 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 471 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:05,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 843 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:40:05,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-10-16 14:40:06,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1200. [2022-10-16 14:40:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1193 states have (on average 1.0461022632020118) internal successors, (1248), 1199 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1248 transitions. [2022-10-16 14:40:06,029 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1248 transitions. Word has length 1047 [2022-10-16 14:40:06,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:06,029 INFO L495 AbstractCegarLoop]: Abstraction has 1200 states and 1248 transitions. [2022-10-16 14:40:06,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1248 transitions. [2022-10-16 14:40:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2022-10-16 14:40:06,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:06,036 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 30, 30, 30, 30, 30, 30, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:06,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-10-16 14:40:06,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2022-10-16 14:40:06,237 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:06,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1868542737, now seen corresponding path program 1 times [2022-10-16 14:40:06,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:06,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240328618] [2022-10-16 14:40:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13592 trivial. 0 not checked. [2022-10-16 14:40:06,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:06,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240328618] [2022-10-16 14:40:06,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240328618] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:06,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52378207] [2022-10-16 14:40:06,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:06,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:06,909 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:06,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-10-16 14:40:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:08,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:40:08,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1248 proven. 3294 refuted. 0 times theorem prover too weak. 9062 trivial. 0 not checked. [2022-10-16 14:40:10,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1248 proven. 3294 refuted. 0 times theorem prover too weak. 9062 trivial. 0 not checked. [2022-10-16 14:40:11,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52378207] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:11,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:11,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14, 14] total 28 [2022-10-16 14:40:11,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984184063] [2022-10-16 14:40:11,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:11,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:11,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:11,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:11,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:11,900 INFO L87 Difference]: Start difference. First operand 1200 states and 1248 transitions. Second operand has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:13,122 INFO L93 Difference]: Finished difference Result 1400 states and 1464 transitions. [2022-10-16 14:40:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:40:13,123 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 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 1059 [2022-10-16 14:40:13,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:13,125 INFO L225 Difference]: With dead ends: 1400 [2022-10-16 14:40:13,125 INFO L226 Difference]: Without dead ends: 1276 [2022-10-16 14:40:13,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2100 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=678, Invalid=2862, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:40:13,127 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1428 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:13,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 626 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:40:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-10-16 14:40:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1231. [2022-10-16 14:40:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1225 states have (on average 1.0440816326530613) internal successors, (1279), 1230 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1279 transitions. [2022-10-16 14:40:13,243 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1279 transitions. Word has length 1059 [2022-10-16 14:40:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:13,243 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1279 transitions. [2022-10-16 14:40:13,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1279 transitions. [2022-10-16 14:40:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2022-10-16 14:40:13,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:13,251 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 19, 19, 19, 19, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:13,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:13,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:13,452 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash 305929847, now seen corresponding path program 2 times [2022-10-16 14:40:13,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:13,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141640994] [2022-10-16 14:40:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 3495 proven. 1889 refuted. 0 times theorem prover too weak. 9209 trivial. 0 not checked. [2022-10-16 14:40:15,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:15,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141640994] [2022-10-16 14:40:15,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141640994] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:15,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088119686] [2022-10-16 14:40:15,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:15,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:15,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:15,107 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:15,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-10-16 14:40:16,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:16,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:16,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:40:16,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14575 trivial. 0 not checked. [2022-10-16 14:40:17,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14575 trivial. 0 not checked. [2022-10-16 14:40:19,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088119686] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:19,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:19,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 28 [2022-10-16 14:40:19,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115957194] [2022-10-16 14:40:19,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:19,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:19,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:19,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:19,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:19,019 INFO L87 Difference]: Start difference. First operand 1231 states and 1279 transitions. Second operand has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:21,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:21,167 INFO L93 Difference]: Finished difference Result 1364 states and 1425 transitions. [2022-10-16 14:40:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:40:21,168 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 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 1094 [2022-10-16 14:40:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:21,173 INFO L225 Difference]: With dead ends: 1364 [2022-10-16 14:40:21,173 INFO L226 Difference]: Without dead ends: 1246 [2022-10-16 14:40:21,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2250 GetRequests, 2179 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1125, Invalid=4131, Unknown=0, NotChecked=0, Total=5256 [2022-10-16 14:40:21,175 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 725 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:21,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1300 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:40:21,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2022-10-16 14:40:21,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1228. [2022-10-16 14:40:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1223 states have (on average 1.0425183973834833) internal successors, (1275), 1227 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1275 transitions. [2022-10-16 14:40:21,316 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1275 transitions. Word has length 1094 [2022-10-16 14:40:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:21,316 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1275 transitions. [2022-10-16 14:40:21,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1275 transitions. [2022-10-16 14:40:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2022-10-16 14:40:21,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:21,328 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:40:21,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:21,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71 [2022-10-16 14:40:21,543 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:21,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1070890909, now seen corresponding path program 2 times [2022-10-16 14:40:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:21,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319580584] [2022-10-16 14:40:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:21,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14669 trivial. 0 not checked. [2022-10-16 14:40:22,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:22,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319580584] [2022-10-16 14:40:22,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319580584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:22,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:22,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:40:22,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704553243] [2022-10-16 14:40:22,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:22,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:40:22,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:22,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:40:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:40:22,486 INFO L87 Difference]: Start difference. First operand 1228 states and 1275 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 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 14:40:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:22,751 INFO L93 Difference]: Finished difference Result 1242 states and 1291 transitions. [2022-10-16 14:40:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:40:22,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 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 1106 [2022-10-16 14:40:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:22,754 INFO L225 Difference]: With dead ends: 1242 [2022-10-16 14:40:22,754 INFO L226 Difference]: Without dead ends: 1241 [2022-10-16 14:40:22,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:40:22,755 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 228 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:22,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 213 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-10-16 14:40:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1227. [2022-10-16 14:40:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1223 states have (on average 1.0417007358953394) internal successors, (1274), 1226 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1274 transitions. [2022-10-16 14:40:22,847 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1274 transitions. Word has length 1106 [2022-10-16 14:40:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:22,848 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1274 transitions. [2022-10-16 14:40:22,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 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 14:40:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1274 transitions. [2022-10-16 14:40:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2022-10-16 14:40:22,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:22,855 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:40:22,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-10-16 14:40:22,855 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:22,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:22,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1162120483, now seen corresponding path program 1 times [2022-10-16 14:40:22,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:22,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108431961] [2022-10-16 14:40:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 14654 trivial. 0 not checked. [2022-10-16 14:40:23,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:23,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108431961] [2022-10-16 14:40:23,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108431961] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:23,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995385877] [2022-10-16 14:40:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:23,910 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:23,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-10-16 14:40:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:25,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:40:25,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 5442 proven. 40 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-10-16 14:40:26,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 4622 proven. 860 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-10-16 14:40:27,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995385877] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:27,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:27,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 20, 20] total 34 [2022-10-16 14:40:27,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907491693] [2022-10-16 14:40:27,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:27,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 14:40:27,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:27,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 14:40:27,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=930, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:40:27,177 INFO L87 Difference]: Start difference. First operand 1227 states and 1274 transitions. Second operand has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:28,855 INFO L93 Difference]: Finished difference Result 1365 states and 1424 transitions. [2022-10-16 14:40:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 14:40:28,855 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1107 [2022-10-16 14:40:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:28,859 INFO L225 Difference]: With dead ends: 1365 [2022-10-16 14:40:28,859 INFO L226 Difference]: Without dead ends: 1251 [2022-10-16 14:40:28,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2251 GetRequests, 2179 SyntacticMatches, 9 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=715, Invalid=3445, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 14:40:28,861 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 183 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:28,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1806 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:40:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-10-16 14:40:28,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1237. [2022-10-16 14:40:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1233 states have (on average 1.0413625304136254) internal successors, (1284), 1236 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1284 transitions. [2022-10-16 14:40:28,957 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1284 transitions. Word has length 1107 [2022-10-16 14:40:28,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:28,958 INFO L495 AbstractCegarLoop]: Abstraction has 1237 states and 1284 transitions. [2022-10-16 14:40:28,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1284 transitions. [2022-10-16 14:40:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2022-10-16 14:40:28,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:28,965 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:28,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:29,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:29,167 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:29,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:29,168 INFO L85 PathProgramCache]: Analyzing trace with hash -487885887, now seen corresponding path program 2 times [2022-10-16 14:40:29,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:29,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880858313] [2022-10-16 14:40:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14879 trivial. 0 not checked. [2022-10-16 14:40:30,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:30,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880858313] [2022-10-16 14:40:30,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880858313] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:30,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458221203] [2022-10-16 14:40:30,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:30,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:30,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:30,336 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:30,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-10-16 14:40:31,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:31,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:31,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:40:31,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14898 trivial. 0 not checked. [2022-10-16 14:40:32,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:32,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458221203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:32,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:32,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-10-16 14:40:32,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024332922] [2022-10-16 14:40:32,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:32,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:40:32,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:32,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:40:32,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:40:32,817 INFO L87 Difference]: Start difference. First operand 1237 states and 1284 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 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 14:40:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:33,048 INFO L93 Difference]: Finished difference Result 1248 states and 1296 transitions. [2022-10-16 14:40:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:40:33,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 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 1117 [2022-10-16 14:40:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:33,052 INFO L225 Difference]: With dead ends: 1248 [2022-10-16 14:40:33,053 INFO L226 Difference]: Without dead ends: 1247 [2022-10-16 14:40:33,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:40:33,054 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 161 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:33,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 291 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2022-10-16 14:40:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1241. [2022-10-16 14:40:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1237 states have (on average 1.042037186742118) internal successors, (1289), 1240 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1289 transitions. [2022-10-16 14:40:33,241 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1289 transitions. Word has length 1117 [2022-10-16 14:40:33,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:33,242 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1289 transitions. [2022-10-16 14:40:33,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 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 14:40:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1289 transitions. [2022-10-16 14:40:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2022-10-16 14:40:33,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:33,254 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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] [2022-10-16 14:40:33,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:33,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:33,467 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:33,469 INFO L85 PathProgramCache]: Analyzing trace with hash -719310449, now seen corresponding path program 1 times [2022-10-16 14:40:33,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:33,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571657987] [2022-10-16 14:40:33,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:33,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14899 trivial. 0 not checked. [2022-10-16 14:40:33,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:33,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571657987] [2022-10-16 14:40:33,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571657987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:33,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:33,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:40:33,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924995936] [2022-10-16 14:40:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:33,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:33,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:40:33,981 INFO L87 Difference]: Start difference. First operand 1241 states and 1289 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:34,119 INFO L93 Difference]: Finished difference Result 1241 states and 1289 transitions. [2022-10-16 14:40:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 1121 [2022-10-16 14:40:34,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:34,123 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 14:40:34,123 INFO L226 Difference]: Without dead ends: 1239 [2022-10-16 14:40:34,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:40:34,124 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 57 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:34,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 168 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2022-10-16 14:40:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2022-10-16 14:40:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1237 states have (on average 1.0404203718674212) internal successors, (1287), 1238 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1287 transitions. [2022-10-16 14:40:34,278 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1287 transitions. Word has length 1121 [2022-10-16 14:40:34,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:34,279 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1287 transitions. [2022-10-16 14:40:34,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1287 transitions. [2022-10-16 14:40:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1123 [2022-10-16 14:40:34,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:34,292 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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] [2022-10-16 14:40:34,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-10-16 14:40:34,293 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:34,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:34,293 INFO L85 PathProgramCache]: Analyzing trace with hash -823787135, now seen corresponding path program 1 times [2022-10-16 14:40:34,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:34,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992226919] [2022-10-16 14:40:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:34,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14899 trivial. 0 not checked. [2022-10-16 14:40:34,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:34,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992226919] [2022-10-16 14:40:34,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992226919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:34,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:34,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:40:34,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247879378] [2022-10-16 14:40:34,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:34,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:34,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:34,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:34,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:40:34,924 INFO L87 Difference]: Start difference. First operand 1239 states and 1287 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 14:40:35,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:35,066 INFO L93 Difference]: Finished difference Result 1239 states and 1287 transitions. [2022-10-16 14:40:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:35,067 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 1122 [2022-10-16 14:40:35,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:35,068 INFO L225 Difference]: With dead ends: 1239 [2022-10-16 14:40:35,068 INFO L226 Difference]: Without dead ends: 1238 [2022-10-16 14:40:35,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:40:35,069 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 47 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:35,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 188 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-10-16 14:40:35,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1238. [2022-10-16 14:40:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1237 states have (on average 1.0396119644300728) internal successors, (1286), 1237 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1286 transitions. [2022-10-16 14:40:35,163 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1286 transitions. Word has length 1122 [2022-10-16 14:40:35,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:35,163 INFO L495 AbstractCegarLoop]: Abstraction has 1238 states and 1286 transitions. [2022-10-16 14:40:35,163 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 14:40:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1286 transitions. [2022-10-16 14:40:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1130 [2022-10-16 14:40:35,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:35,171 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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] [2022-10-16 14:40:35,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-10-16 14:40:35,172 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash -292905159, now seen corresponding path program 1 times [2022-10-16 14:40:35,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:35,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41898611] [2022-10-16 14:40:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:36,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:36,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41898611] [2022-10-16 14:40:36,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41898611] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:36,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348944399] [2022-10-16 14:40:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:36,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:36,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:36,362 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:36,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-10-16 14:40:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:37,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 2523 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:40:37,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:39,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:40,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348944399] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:40,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:40,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2022-10-16 14:40:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917330096] [2022-10-16 14:40:40,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:40,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 14:40:40,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:40,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 14:40:40,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:40:40,747 INFO L87 Difference]: Start difference. First operand 1238 states and 1286 transitions. Second operand has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:41,273 INFO L93 Difference]: Finished difference Result 1295 states and 1351 transitions. [2022-10-16 14:40:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:40:41,274 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 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 1129 [2022-10-16 14:40:41,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:41,276 INFO L225 Difference]: With dead ends: 1295 [2022-10-16 14:40:41,276 INFO L226 Difference]: Without dead ends: 1272 [2022-10-16 14:40:41,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2277 GetRequests, 2245 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=323, Invalid=799, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:40:41,277 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 767 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:41,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 493 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:40:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-10-16 14:40:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1268. [2022-10-16 14:40:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1267 states have (on average 1.0410418310970797) internal successors, (1319), 1267 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1319 transitions. [2022-10-16 14:40:41,436 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1319 transitions. Word has length 1129 [2022-10-16 14:40:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:41,436 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1319 transitions. [2022-10-16 14:40:41,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1319 transitions. [2022-10-16 14:40:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2022-10-16 14:40:41,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:41,445 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:41,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:41,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2022-10-16 14:40:41,646 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:41,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1497656665, now seen corresponding path program 2 times [2022-10-16 14:40:41,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:41,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689493576] [2022-10-16 14:40:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:41,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15036 backedges. 84 proven. 13 refuted. 0 times theorem prover too weak. 14939 trivial. 0 not checked. [2022-10-16 14:40:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:43,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689493576] [2022-10-16 14:40:43,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689493576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:43,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748365294] [2022-10-16 14:40:43,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:43,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:43,146 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-10-16 14:40:44,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:44,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:44,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:40:44,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15036 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15029 trivial. 0 not checked. [2022-10-16 14:40:44,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:44,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748365294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:44,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:44,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2022-10-16 14:40:44,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387535463] [2022-10-16 14:40:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:40:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:44,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:40:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:40:44,399 INFO L87 Difference]: Start difference. First operand 1268 states and 1319 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:44,591 INFO L93 Difference]: Finished difference Result 1268 states and 1319 transitions. [2022-10-16 14:40:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:40:44,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 1159 [2022-10-16 14:40:44,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:44,593 INFO L225 Difference]: With dead ends: 1268 [2022-10-16 14:40:44,593 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:40:44,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:40:44,594 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 101 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:44,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 229 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:40:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:40:44,595 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 14:40:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:40:44,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1159 [2022-10-16 14:40:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:44,596 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:40:44,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:40:44,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:40:44,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-10-16 14:40:44,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-10-16 14:40:44,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-10-16 14:40:44,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-10-16 14:40:44,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-10-16 14:40:44,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-10-16 14:40:44,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-10-16 14:40:44,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-10-16 14:40:44,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-10-16 14:40:44,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-10-16 14:40:44,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-10-16 14:40:44,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:44,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2022-10-16 14:40:44,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.