/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:55:45,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:55:45,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:55:45,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:55:45,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:55:45,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:55:45,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:55:45,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:55:45,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:55:45,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:55:45,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:55:45,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:55:45,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:55:45,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:55:45,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:55:45,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:55:45,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:55:45,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:55:45,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:55:45,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:55:45,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:55:45,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:55:45,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:55:45,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:55:45,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:55:45,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:55:45,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:55:45,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:55:45,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:55:45,972 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:55:45,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:55:45,972 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:55:45,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:55:45,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:55:45,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:55:45,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:55:45,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:55:45,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:55:45,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:55:45,975 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:55:45,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:55:45,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:55:45,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:55:45,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:55:45,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:55:45,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:55:45,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:55:45,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:45,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:55:45,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:55:45,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:55:45,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:55:45,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:55:45,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:55:45,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:55:46,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:55:46,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:55:46,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:55:46,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:55:46,424 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:55:46,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:55:46,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef343efa1/9f05dbf16faa4c1d9ae4836f4ee352d6/FLAGb950b4492 [2022-10-15 21:55:47,283 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:55:47,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:55:47,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef343efa1/9f05dbf16faa4c1d9ae4836f4ee352d6/FLAGb950b4492 [2022-10-15 21:55:47,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef343efa1/9f05dbf16faa4c1d9ae4836f4ee352d6 [2022-10-15 21:55:47,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:55:47,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:55:47,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:47,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:55:47,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:55:47,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:47" (1/1) ... [2022-10-15 21:55:47,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1824e0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:47, skipping insertion in model container [2022-10-15 21:55:47,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:47" (1/1) ... [2022-10-15 21:55:47,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:55:47,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:55:48,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2022-10-15 21:55:48,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:48,017 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:55:48,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2022-10-15 21:55:48,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:48,131 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:55:48,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48 WrapperNode [2022-10-15 21:55:48,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:48,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:48,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:55:48,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:55:48,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,219 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 492 [2022-10-15 21:55:48,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:48,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:55:48,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:55:48,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:55:48,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:55:48,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:55:48,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:55:48,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:55:48,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (1/1) ... [2022-10-15 21:55:48,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:48,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:55:48,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:55:48,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:55:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:55:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:55:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:55:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:55:48,572 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:55:48,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:55:49,652 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:55:49,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:55:49,676 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:55:49,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:49 BoogieIcfgContainer [2022-10-15 21:55:49,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:55:49,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:55:49,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:55:49,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:55:49,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:55:47" (1/3) ... [2022-10-15 21:55:49,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33993645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:49, skipping insertion in model container [2022-10-15 21:55:49,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:48" (2/3) ... [2022-10-15 21:55:49,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33993645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:49, skipping insertion in model container [2022-10-15 21:55:49,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:49" (3/3) ... [2022-10-15 21:55:49,693 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:55:49,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:55:49,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 21:55:49,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:55:49,836 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;@26862e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:55:49,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 21:55:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 176 states have (on average 1.7670454545454546) internal successors, (311), 208 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:55:49,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:49,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:55:49,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:49,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:55:49,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:49,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139702127] [2022-10-15 21:55:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:50,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139702127] [2022-10-15 21:55:50,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139702127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:50,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:50,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:55:50,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963527313] [2022-10-15 21:55:50,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:50,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:55:50,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:50,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:55:50,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:50,257 INFO L87 Difference]: Start difference. First operand has 209 states, 176 states have (on average 1.7670454545454546) internal successors, (311), 208 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:50,321 INFO L93 Difference]: Finished difference Result 346 states and 511 transitions. [2022-10-15 21:55:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:55:50,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 21:55:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:50,337 INFO L225 Difference]: With dead ends: 346 [2022-10-15 21:55:50,337 INFO L226 Difference]: Without dead ends: 192 [2022-10-15 21:55:50,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:50,346 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:50,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-15 21:55:50,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-10-15 21:55:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 172 states have (on average 1.691860465116279) internal successors, (291), 191 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) [2022-10-15 21:55:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 291 transitions. [2022-10-15 21:55:50,406 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 291 transitions. Word has length 4 [2022-10-15 21:55:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:50,406 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 291 transitions. [2022-10-15 21:55:50,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 291 transitions. [2022-10-15 21:55:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:55:50,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:50,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:50,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:55:50,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:50,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:50,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1286709061, now seen corresponding path program 1 times [2022-10-15 21:55:50,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:50,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195040364] [2022-10-15 21:55:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:50,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:50,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195040364] [2022-10-15 21:55:50,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195040364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:50,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:50,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842845020] [2022-10-15 21:55:50,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:50,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:50,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:50,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:50,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:50,743 INFO L87 Difference]: Start difference. First operand 192 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:50,902 INFO L93 Difference]: Finished difference Result 331 states and 488 transitions. [2022-10-15 21:55:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:50,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-15 21:55:50,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:50,905 INFO L225 Difference]: With dead ends: 331 [2022-10-15 21:55:50,906 INFO L226 Difference]: Without dead ends: 192 [2022-10-15 21:55:50,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:50,909 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 3 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:50,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1112 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-15 21:55:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-10-15 21:55:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 172 states have (on average 1.4534883720930232) internal successors, (250), 191 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 250 transitions. [2022-10-15 21:55:50,952 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 250 transitions. Word has length 34 [2022-10-15 21:55:50,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:50,953 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 250 transitions. [2022-10-15 21:55:50,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 250 transitions. [2022-10-15 21:55:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 21:55:50,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:50,957 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:50,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:55:50,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:50,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:50,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1042658917, now seen corresponding path program 1 times [2022-10-15 21:55:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:50,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273228882] [2022-10-15 21:55:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:51,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:51,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273228882] [2022-10-15 21:55:51,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273228882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:51,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:51,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:51,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092242047] [2022-10-15 21:55:51,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:51,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:51,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:51,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:51,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,177 INFO L87 Difference]: Start difference. First operand 192 states and 250 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 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) [2022-10-15 21:55:51,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:51,210 INFO L93 Difference]: Finished difference Result 450 states and 616 transitions. [2022-10-15 21:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:51,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 21:55:51,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:51,215 INFO L225 Difference]: With dead ends: 450 [2022-10-15 21:55:51,216 INFO L226 Difference]: Without dead ends: 315 [2022-10-15 21:55:51,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,229 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 176 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:51,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 590 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:51,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-10-15 21:55:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 295. [2022-10-15 21:55:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 275 states have (on average 1.5345454545454544) internal successors, (422), 294 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 422 transitions. [2022-10-15 21:55:51,279 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 422 transitions. Word has length 84 [2022-10-15 21:55:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:51,282 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 422 transitions. [2022-10-15 21:55:51,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 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) [2022-10-15 21:55:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 422 transitions. [2022-10-15 21:55:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:55:51,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:51,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:51,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:55:51,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash 341268613, now seen corresponding path program 1 times [2022-10-15 21:55:51,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:51,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280281168] [2022-10-15 21:55:51,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:51,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280281168] [2022-10-15 21:55:51,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280281168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:51,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:51,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22097969] [2022-10-15 21:55:51,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:51,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:51,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:51,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:51,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,507 INFO L87 Difference]: Start difference. First operand 295 states and 422 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:51,541 INFO L93 Difference]: Finished difference Result 747 states and 1112 transitions. [2022-10-15 21:55:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:51,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 21:55:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:51,546 INFO L225 Difference]: With dead ends: 747 [2022-10-15 21:55:51,546 INFO L226 Difference]: Without dead ends: 509 [2022-10-15 21:55:51,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,549 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 171 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:51,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 581 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:51,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-10-15 21:55:51,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 489. [2022-10-15 21:55:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 469 states have (on average 1.5884861407249466) internal successors, (745), 488 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 745 transitions. [2022-10-15 21:55:51,579 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 745 transitions. Word has length 85 [2022-10-15 21:55:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:51,579 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 745 transitions. [2022-10-15 21:55:51,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 745 transitions. [2022-10-15 21:55:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:55:51,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:51,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:51,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:55:51,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:51,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:51,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1050193771, now seen corresponding path program 1 times [2022-10-15 21:55:51,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:51,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969481022] [2022-10-15 21:55:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:51,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:51,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:51,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969481022] [2022-10-15 21:55:51,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969481022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:51,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:51,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183688916] [2022-10-15 21:55:51,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:51,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:51,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:51,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:51,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,683 INFO L87 Difference]: Start difference. First operand 489 states and 745 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:51,749 INFO L93 Difference]: Finished difference Result 1305 states and 2041 transitions. [2022-10-15 21:55:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:51,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 21:55:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:51,758 INFO L225 Difference]: With dead ends: 1305 [2022-10-15 21:55:51,759 INFO L226 Difference]: Without dead ends: 873 [2022-10-15 21:55:51,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:51,764 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 166 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:51,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 572 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-10-15 21:55:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 853. [2022-10-15 21:55:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 833 states have (on average 1.6194477791116446) internal successors, (1349), 852 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1349 transitions. [2022-10-15 21:55:51,822 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1349 transitions. Word has length 86 [2022-10-15 21:55:51,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:51,823 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1349 transitions. [2022-10-15 21:55:51,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1349 transitions. [2022-10-15 21:55:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:55:51,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:51,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:51,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:55:51,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:51,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1646688811, now seen corresponding path program 1 times [2022-10-15 21:55:51,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:51,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195031433] [2022-10-15 21:55:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:51,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:52,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:52,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195031433] [2022-10-15 21:55:52,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195031433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:52,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:52,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:52,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133563272] [2022-10-15 21:55:52,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:52,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:52,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:52,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:52,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:52,004 INFO L87 Difference]: Start difference. First operand 853 states and 1349 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:52,063 INFO L93 Difference]: Finished difference Result 2349 states and 3773 transitions. [2022-10-15 21:55:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:52,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-15 21:55:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:52,073 INFO L225 Difference]: With dead ends: 2349 [2022-10-15 21:55:52,074 INFO L226 Difference]: Without dead ends: 1553 [2022-10-15 21:55:52,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:52,077 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 161 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:52,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 563 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-10-15 21:55:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1533. [2022-10-15 21:55:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1513 states have (on average 1.634500991407799) internal successors, (2473), 1532 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2473 transitions. [2022-10-15 21:55:52,151 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2473 transitions. Word has length 87 [2022-10-15 21:55:52,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:52,151 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 2473 transitions. [2022-10-15 21:55:52,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2473 transitions. [2022-10-15 21:55:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:55:52,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:52,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:52,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:55:52,154 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:52,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:52,154 INFO L85 PathProgramCache]: Analyzing trace with hash 417961275, now seen corresponding path program 1 times [2022-10-15 21:55:52,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:52,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382734250] [2022-10-15 21:55:52,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:52,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:52,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:52,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382734250] [2022-10-15 21:55:52,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382734250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:52,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:52,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:52,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608629692] [2022-10-15 21:55:52,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:52,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:52,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:52,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:52,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:52,240 INFO L87 Difference]: Start difference. First operand 1533 states and 2473 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 21:55:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:52,370 INFO L93 Difference]: Finished difference Result 4293 states and 6985 transitions. [2022-10-15 21:55:52,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:52,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 88 [2022-10-15 21:55:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:52,386 INFO L225 Difference]: With dead ends: 4293 [2022-10-15 21:55:52,386 INFO L226 Difference]: Without dead ends: 2817 [2022-10-15 21:55:52,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:52,390 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 156 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:52,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 554 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2022-10-15 21:55:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2797. [2022-10-15 21:55:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2777 states have (on average 1.6395390709398632) internal successors, (4553), 2796 states have internal predecessors, (4553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 4553 transitions. [2022-10-15 21:55:52,539 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 4553 transitions. Word has length 88 [2022-10-15 21:55:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:52,540 INFO L495 AbstractCegarLoop]: Abstraction has 2797 states and 4553 transitions. [2022-10-15 21:55:52,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 21:55:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 4553 transitions. [2022-10-15 21:55:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:55:52,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:52,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:52,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:55:52,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:52,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:52,543 INFO L85 PathProgramCache]: Analyzing trace with hash 831804197, now seen corresponding path program 1 times [2022-10-15 21:55:52,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:52,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907842248] [2022-10-15 21:55:52,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:52,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:52,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:52,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907842248] [2022-10-15 21:55:52,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907842248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:52,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:52,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:52,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822749446] [2022-10-15 21:55:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:52,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:52,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:52,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:52,652 INFO L87 Difference]: Start difference. First operand 2797 states and 4553 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:53,130 INFO L93 Difference]: Finished difference Result 8275 states and 13545 transitions. [2022-10-15 21:55:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:53,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 89 [2022-10-15 21:55:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:53,175 INFO L225 Difference]: With dead ends: 8275 [2022-10-15 21:55:53,175 INFO L226 Difference]: Without dead ends: 8273 [2022-10-15 21:55:53,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:53,179 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 578 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:53,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 638 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8273 states. [2022-10-15 21:55:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8273 to 5517. [2022-10-15 21:55:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5517 states, 5497 states have (on average 1.6345279243223576) internal successors, (8985), 5516 states have internal predecessors, (8985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 5517 states and 8985 transitions. [2022-10-15 21:55:53,530 INFO L78 Accepts]: Start accepts. Automaton has 5517 states and 8985 transitions. Word has length 89 [2022-10-15 21:55:53,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:53,531 INFO L495 AbstractCegarLoop]: Abstraction has 5517 states and 8985 transitions. [2022-10-15 21:55:53,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 8985 transitions. [2022-10-15 21:55:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:55:53,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:53,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:53,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:55:53,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:53,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:53,534 INFO L85 PathProgramCache]: Analyzing trace with hash 16127010, now seen corresponding path program 1 times [2022-10-15 21:55:53,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:53,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559926415] [2022-10-15 21:55:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:53,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:53,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:53,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559926415] [2022-10-15 21:55:53,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559926415] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:53,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:53,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:53,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048709526] [2022-10-15 21:55:53,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:53,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:53,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:53,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:53,633 INFO L87 Difference]: Start difference. First operand 5517 states and 8985 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:54,095 INFO L93 Difference]: Finished difference Result 8255 states and 13481 transitions. [2022-10-15 21:55:54,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:55:54,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 90 [2022-10-15 21:55:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:54,141 INFO L225 Difference]: With dead ends: 8255 [2022-10-15 21:55:54,141 INFO L226 Difference]: Without dead ends: 8253 [2022-10-15 21:55:54,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:54,146 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 573 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:54,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 382 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:54,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2022-10-15 21:55:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 8237. [2022-10-15 21:55:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8237 states, 8217 states have (on average 1.6250456370938298) internal successors, (13353), 8236 states have internal predecessors, (13353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8237 states to 8237 states and 13353 transitions. [2022-10-15 21:55:54,631 INFO L78 Accepts]: Start accepts. Automaton has 8237 states and 13353 transitions. Word has length 90 [2022-10-15 21:55:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:54,632 INFO L495 AbstractCegarLoop]: Abstraction has 8237 states and 13353 transitions. [2022-10-15 21:55:54,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8237 states and 13353 transitions. [2022-10-15 21:55:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:55:54,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:54,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:54,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:55:54,634 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:54,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:54,635 INFO L85 PathProgramCache]: Analyzing trace with hash 499937991, now seen corresponding path program 1 times [2022-10-15 21:55:54,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:54,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922042871] [2022-10-15 21:55:54,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:54,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:54,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:54,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922042871] [2022-10-15 21:55:54,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922042871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:54,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:54,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537051072] [2022-10-15 21:55:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:54,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:54,799 INFO L87 Difference]: Start difference. First operand 8237 states and 13353 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:55,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:55,590 INFO L93 Difference]: Finished difference Result 13725 states and 22153 transitions. [2022-10-15 21:55:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:55:55,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:55:55,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:55,636 INFO L225 Difference]: With dead ends: 13725 [2022-10-15 21:55:55,636 INFO L226 Difference]: Without dead ends: 13723 [2022-10-15 21:55:55,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:55,643 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 980 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:55,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1051 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2022-10-15 21:55:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 10957. [2022-10-15 21:55:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10957 states, 10937 states have (on average 1.6144280881411721) internal successors, (17657), 10956 states have internal predecessors, (17657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10957 states to 10957 states and 17657 transitions. [2022-10-15 21:55:56,352 INFO L78 Accepts]: Start accepts. Automaton has 10957 states and 17657 transitions. Word has length 91 [2022-10-15 21:55:56,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:56,352 INFO L495 AbstractCegarLoop]: Abstraction has 10957 states and 17657 transitions. [2022-10-15 21:55:56,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 10957 states and 17657 transitions. [2022-10-15 21:55:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:55:56,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:56,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:56,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:55:56,355 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1681790780, now seen corresponding path program 1 times [2022-10-15 21:55:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482265709] [2022-10-15 21:55:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:56,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:56,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482265709] [2022-10-15 21:55:56,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482265709] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:56,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:56,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:56,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683075794] [2022-10-15 21:55:56,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:56,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:56,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:56,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:56,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:56,511 INFO L87 Difference]: Start difference. First operand 10957 states and 17657 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:57,289 INFO L93 Difference]: Finished difference Result 13709 states and 22089 transitions. [2022-10-15 21:55:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:55:57,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 21:55:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:57,335 INFO L225 Difference]: With dead ends: 13709 [2022-10-15 21:55:57,335 INFO L226 Difference]: Without dead ends: 13707 [2022-10-15 21:55:57,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:57,344 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1009 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:57,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 653 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:57,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13707 states. [2022-10-15 21:55:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13707 to 13677. [2022-10-15 21:55:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13677 states, 13657 states have (on average 1.6033535915647654) internal successors, (21897), 13676 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13677 states to 13677 states and 21897 transitions. [2022-10-15 21:55:58,223 INFO L78 Accepts]: Start accepts. Automaton has 13677 states and 21897 transitions. Word has length 92 [2022-10-15 21:55:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:58,223 INFO L495 AbstractCegarLoop]: Abstraction has 13677 states and 21897 transitions. [2022-10-15 21:55:58,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13677 states and 21897 transitions. [2022-10-15 21:55:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 21:55:58,226 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:58,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:58,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:55:58,227 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:55:58,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash -595905943, now seen corresponding path program 1 times [2022-10-15 21:55:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:58,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132051225] [2022-10-15 21:55:58,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:58,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:58,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132051225] [2022-10-15 21:55:58,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132051225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:58,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:58,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:58,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63523776] [2022-10-15 21:55:58,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:58,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:55:58,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:58,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:55:58,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:55:58,388 INFO L87 Difference]: Start difference. First operand 13677 states and 21897 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:59,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:59,831 INFO L93 Difference]: Finished difference Result 21891 states and 34937 transitions. [2022-10-15 21:55:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:55:59,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-15 21:55:59,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:59,897 INFO L225 Difference]: With dead ends: 21891 [2022-10-15 21:55:59,897 INFO L226 Difference]: Without dead ends: 21889 [2022-10-15 21:55:59,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:55:59,907 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 1364 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:59,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1602 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:55:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2022-10-15 21:56:00,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 16397. [2022-10-15 21:56:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16397 states, 16377 states have (on average 1.5920498259754534) internal successors, (26073), 16396 states have internal predecessors, (26073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16397 states to 16397 states and 26073 transitions. [2022-10-15 21:56:00,925 INFO L78 Accepts]: Start accepts. Automaton has 16397 states and 26073 transitions. Word has length 93 [2022-10-15 21:56:00,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:00,926 INFO L495 AbstractCegarLoop]: Abstraction has 16397 states and 26073 transitions. [2022-10-15 21:56:00,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 16397 states and 26073 transitions. [2022-10-15 21:56:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:56:00,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:00,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:00,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:56:00,929 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:00,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:00,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1409441088, now seen corresponding path program 1 times [2022-10-15 21:56:00,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:00,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323252701] [2022-10-15 21:56:00,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:00,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:01,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:01,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323252701] [2022-10-15 21:56:01,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323252701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:01,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:01,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994464725] [2022-10-15 21:56:01,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:01,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:01,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:01,011 INFO L87 Difference]: Start difference. First operand 16397 states and 26073 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2022-10-15 21:56:02,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:02,417 INFO L93 Difference]: Finished difference Result 46197 states and 73497 transitions. [2022-10-15 21:56:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:02,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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 94 [2022-10-15 21:56:02,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:02,525 INFO L225 Difference]: With dead ends: 46197 [2022-10-15 21:56:02,525 INFO L226 Difference]: Without dead ends: 29857 [2022-10-15 21:56:02,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:02,575 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 177 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:02,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 607 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:02,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29857 states. [2022-10-15 21:56:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29857 to 29837. [2022-10-15 21:56:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29837 states, 29817 states have (on average 1.5859744441090653) internal successors, (47289), 29836 states have internal predecessors, (47289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29837 states to 29837 states and 47289 transitions. [2022-10-15 21:56:04,359 INFO L78 Accepts]: Start accepts. Automaton has 29837 states and 47289 transitions. Word has length 94 [2022-10-15 21:56:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:04,359 INFO L495 AbstractCegarLoop]: Abstraction has 29837 states and 47289 transitions. [2022-10-15 21:56:04,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2022-10-15 21:56:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29837 states and 47289 transitions. [2022-10-15 21:56:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:56:04,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:04,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:04,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:56:04,363 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:04,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:04,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1293214362, now seen corresponding path program 1 times [2022-10-15 21:56:04,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:04,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778226120] [2022-10-15 21:56:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:04,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:04,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778226120] [2022-10-15 21:56:04,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778226120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:04,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:04,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:04,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063877986] [2022-10-15 21:56:04,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:04,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:04,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:04,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:04,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:04,541 INFO L87 Difference]: Start difference. First operand 29837 states and 47289 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 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) [2022-10-15 21:56:06,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:06,603 INFO L93 Difference]: Finished difference Result 39801 states and 63033 transitions. [2022-10-15 21:56:06,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:56:06,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 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 94 [2022-10-15 21:56:06,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:06,745 INFO L225 Difference]: With dead ends: 39801 [2022-10-15 21:56:06,745 INFO L226 Difference]: Without dead ends: 39799 [2022-10-15 21:56:06,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:56:06,765 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1524 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:06,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 895 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:06,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39799 states. [2022-10-15 21:56:08,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39799 to 39757. [2022-10-15 21:56:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39757 states, 39737 states have (on average 1.5733699071394418) internal successors, (62521), 39756 states have internal predecessors, (62521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39757 states to 39757 states and 62521 transitions. [2022-10-15 21:56:08,978 INFO L78 Accepts]: Start accepts. Automaton has 39757 states and 62521 transitions. Word has length 94 [2022-10-15 21:56:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:08,979 INFO L495 AbstractCegarLoop]: Abstraction has 39757 states and 62521 transitions. [2022-10-15 21:56:08,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 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) [2022-10-15 21:56:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 39757 states and 62521 transitions. [2022-10-15 21:56:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 21:56:08,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:08,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:56:08,981 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:08,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1434938869, now seen corresponding path program 1 times [2022-10-15 21:56:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:08,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89666522] [2022-10-15 21:56:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:09,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:09,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89666522] [2022-10-15 21:56:09,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89666522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:09,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:09,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710146819] [2022-10-15 21:56:09,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:09,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:09,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:09,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:09,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:09,338 INFO L87 Difference]: Start difference. First operand 39757 states and 62521 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 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) [2022-10-15 21:56:12,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:12,067 INFO L93 Difference]: Finished difference Result 59653 states and 93753 transitions. [2022-10-15 21:56:12,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:56:12,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 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 95 [2022-10-15 21:56:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:12,257 INFO L225 Difference]: With dead ends: 59653 [2022-10-15 21:56:12,258 INFO L226 Difference]: Without dead ends: 59651 [2022-10-15 21:56:12,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:12,288 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1885 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:12,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1827 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:56:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59651 states. [2022-10-15 21:56:14,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59651 to 44717. [2022-10-15 21:56:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44717 states, 44697 states have (on average 1.5620063986397297) internal successors, (69817), 44716 states have internal predecessors, (69817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44717 states to 44717 states and 69817 transitions. [2022-10-15 21:56:15,014 INFO L78 Accepts]: Start accepts. Automaton has 44717 states and 69817 transitions. Word has length 95 [2022-10-15 21:56:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,014 INFO L495 AbstractCegarLoop]: Abstraction has 44717 states and 69817 transitions. [2022-10-15 21:56:15,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 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) [2022-10-15 21:56:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 44717 states and 69817 transitions. [2022-10-15 21:56:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:56:15,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:56:15,026 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:15,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1533431288, now seen corresponding path program 1 times [2022-10-15 21:56:15,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154932390] [2022-10-15 21:56:15,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154932390] [2022-10-15 21:56:15,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154932390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:15,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911644531] [2022-10-15 21:56:15,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:15,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:15,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:15,377 INFO L87 Difference]: Start difference. First operand 44717 states and 69817 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:18,506 INFO L93 Difference]: Finished difference Result 59651 states and 92857 transitions. [2022-10-15 21:56:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:56:18,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 21:56:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:18,680 INFO L225 Difference]: With dead ends: 59651 [2022-10-15 21:56:18,680 INFO L226 Difference]: Without dead ends: 59649 [2022-10-15 21:56:18,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:18,705 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1897 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:18,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 1358 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:56:18,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59649 states. [2022-10-15 21:56:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59649 to 59597. [2022-10-15 21:56:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59597 states, 59577 states have (on average 1.5478624301324337) internal successors, (92217), 59596 states have internal predecessors, (92217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59597 states to 59597 states and 92217 transitions. [2022-10-15 21:56:22,130 INFO L78 Accepts]: Start accepts. Automaton has 59597 states and 92217 transitions. Word has length 96 [2022-10-15 21:56:22,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:22,130 INFO L495 AbstractCegarLoop]: Abstraction has 59597 states and 92217 transitions. [2022-10-15 21:56:22,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 59597 states and 92217 transitions. [2022-10-15 21:56:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:56:22,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:22,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:22,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:56:22,132 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:22,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:22,132 INFO L85 PathProgramCache]: Analyzing trace with hash -291728979, now seen corresponding path program 1 times [2022-10-15 21:56:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:22,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693089927] [2022-10-15 21:56:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:22,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:22,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693089927] [2022-10-15 21:56:22,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693089927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:22,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:22,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:22,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011501442] [2022-10-15 21:56:22,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:22,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:22,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:22,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:22,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:22,591 INFO L87 Difference]: Start difference. First operand 59597 states and 92217 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:26,805 INFO L93 Difference]: Finished difference Result 143989 states and 223033 transitions. [2022-10-15 21:56:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:56:26,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 21:56:26,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:26,981 INFO L225 Difference]: With dead ends: 143989 [2022-10-15 21:56:26,982 INFO L226 Difference]: Without dead ends: 84449 [2022-10-15 21:56:27,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:56:27,062 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 2219 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:27,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 2447 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:56:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84449 states. [2022-10-15 21:56:30,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84449 to 64557. [2022-10-15 21:56:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64557 states, 64537 states have (on average 1.5360026031578784) internal successors, (99129), 64556 states have internal predecessors, (99129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64557 states to 64557 states and 99129 transitions. [2022-10-15 21:56:30,389 INFO L78 Accepts]: Start accepts. Automaton has 64557 states and 99129 transitions. Word has length 97 [2022-10-15 21:56:30,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:30,389 INFO L495 AbstractCegarLoop]: Abstraction has 64557 states and 99129 transitions. [2022-10-15 21:56:30,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 64557 states and 99129 transitions. [2022-10-15 21:56:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 21:56:30,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:30,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:30,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:56:30,391 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:30,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:30,392 INFO L85 PathProgramCache]: Analyzing trace with hash -453663062, now seen corresponding path program 1 times [2022-10-15 21:56:30,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:30,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413836371] [2022-10-15 21:56:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:30,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:30,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413836371] [2022-10-15 21:56:30,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413836371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:30,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:30,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:30,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655832625] [2022-10-15 21:56:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:30,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:30,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:30,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:30,758 INFO L87 Difference]: Start difference. First operand 64557 states and 99129 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:35,873 INFO L93 Difference]: Finished difference Result 119223 states and 184121 transitions. [2022-10-15 21:56:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 21:56:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 21:56:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:36,091 INFO L225 Difference]: With dead ends: 119223 [2022-10-15 21:56:36,092 INFO L226 Difference]: Without dead ends: 119221 [2022-10-15 21:56:36,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:56:36,119 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 3056 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:36,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 2265 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:56:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119221 states. [2022-10-15 21:56:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119221 to 119117.