/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:24:13,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:24:13,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:24:13,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:24:13,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:24:13,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:24:13,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:24:13,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:24:13,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:24:13,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:24:13,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:24:13,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:24:13,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:24:13,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:24:13,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:24:13,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:24:13,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:24:13,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:24:13,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:24:13,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:24:13,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:24:13,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:24:13,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:24:13,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:24:13,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:24:13,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:24:13,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:24:13,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:24:13,315 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 22:24:13,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:24:13,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:24:13,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:24:13,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:24:13,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:24:13,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:24:13,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:24:13,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:24:13,378 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:24:13,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:24:13,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:24:13,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:24:13,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:24:13,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:24:13,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:24:13,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:24:13,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:24:13,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:24:13,380 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:24:13,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:24:13,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:24:13,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:24:13,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:24:13,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:24:13,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:24:13,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:24:13,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:13,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:24:13,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:24:13,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:24:13,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:24:13,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:24:13,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:24:13,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:24:13,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:24:13,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:24:13,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:24:13,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:24:13,872 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:24:13,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:24:13,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f14607ca/30b86eb135eb44729843e97e0183812d/FLAG2bcd78d5d [2022-10-15 22:24:14,797 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:24:14,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:24:14,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f14607ca/30b86eb135eb44729843e97e0183812d/FLAG2bcd78d5d [2022-10-15 22:24:14,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f14607ca/30b86eb135eb44729843e97e0183812d [2022-10-15 22:24:14,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:24:15,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:24:15,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:15,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:24:15,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:24:15,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69521069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15, skipping insertion in model container [2022-10-15 22:24:15,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:24:15,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:24:15,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13672,13685] [2022-10-15 22:24:15,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:15,689 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:24:15,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13672,13685] [2022-10-15 22:24:15,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:15,986 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:24:15,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15 WrapperNode [2022-10-15 22:24:15,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:15,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:15,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:24:15,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:24:15,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,104 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1412 [2022-10-15 22:24:16,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:16,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:24:16,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:24:16,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:24:16,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:24:16,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:24:16,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:24:16,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:24:16,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (1/1) ... [2022-10-15 22:24:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:16,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:24:16,239 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 22:24:16,260 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 22:24:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:24:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:24:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:24:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:24:16,488 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:24:16,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:24:18,040 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:24:18,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:24:18,056 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:24:18,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:18 BoogieIcfgContainer [2022-10-15 22:24:18,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:24:18,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:24:18,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:24:18,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:24:18,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:24:14" (1/3) ... [2022-10-15 22:24:18,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250144d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:18, skipping insertion in model container [2022-10-15 22:24:18,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:15" (2/3) ... [2022-10-15 22:24:18,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250144d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:18, skipping insertion in model container [2022-10-15 22:24:18,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:18" (3/3) ... [2022-10-15 22:24:18,073 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:24:18,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:24:18,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 22:24:18,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:24:18,184 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;@3fd69c78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:24:18,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 22:24:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 22:24:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:24:18,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:18,215 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, 1, 1] [2022-10-15 22:24:18,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:18,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:18,223 INFO L85 PathProgramCache]: Analyzing trace with hash -840164483, now seen corresponding path program 1 times [2022-10-15 22:24:18,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:18,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658704609] [2022-10-15 22:24:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:18,938 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 22:24:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:18,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658704609] [2022-10-15 22:24:18,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658704609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:18,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:18,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:18,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089630826] [2022-10-15 22:24:18,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:18,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:18,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:19,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:19,010 INFO L87 Difference]: Start difference. First operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 22:24:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:19,196 INFO L93 Difference]: Finished difference Result 888 states and 1340 transitions. [2022-10-15 22:24:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-15 22:24:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:19,236 INFO L225 Difference]: With dead ends: 888 [2022-10-15 22:24:19,236 INFO L226 Difference]: Without dead ends: 639 [2022-10-15 22:24:19,244 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 22:24:19,250 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 327 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:19,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1636 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:19,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-10-15 22:24:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 593. [2022-10-15 22:24:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 545 states have (on average 1.7229357798165137) internal successors, (939), 592 states have internal predecessors, (939), 0 states have call successors, (0), 0 states 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 22:24:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 939 transitions. [2022-10-15 22:24:19,373 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 939 transitions. Word has length 100 [2022-10-15 22:24:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:19,374 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 939 transitions. [2022-10-15 22:24:19,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 22:24:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 939 transitions. [2022-10-15 22:24:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 22:24:19,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:19,380 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, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:19,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:24:19,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:19,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash -892951534, now seen corresponding path program 1 times [2022-10-15 22:24:19,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:19,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446381611] [2022-10-15 22:24:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:19,734 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 22:24:19,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:19,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446381611] [2022-10-15 22:24:19,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446381611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:19,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:19,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:19,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286934974] [2022-10-15 22:24:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:19,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:19,740 INFO L87 Difference]: Start difference. First operand 593 states and 939 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:19,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:19,838 INFO L93 Difference]: Finished difference Result 1197 states and 1862 transitions. [2022-10-15 22:24:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:19,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-15 22:24:19,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:19,846 INFO L225 Difference]: With dead ends: 1197 [2022-10-15 22:24:19,846 INFO L226 Difference]: Without dead ends: 797 [2022-10-15 22:24:19,849 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 22:24:19,851 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 286 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:19,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1245 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-10-15 22:24:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 762. [2022-10-15 22:24:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 714 states have (on average 1.719887955182073) internal successors, (1228), 761 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states 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 22:24:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1228 transitions. [2022-10-15 22:24:19,910 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1228 transitions. Word has length 104 [2022-10-15 22:24:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:19,911 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1228 transitions. [2022-10-15 22:24:19,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1228 transitions. [2022-10-15 22:24:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 22:24:19,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:19,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:19,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:24:19,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:19,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1382178472, now seen corresponding path program 1 times [2022-10-15 22:24:19,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:19,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667000329] [2022-10-15 22:24:19,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:19,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:20,057 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 22:24:20,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:20,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667000329] [2022-10-15 22:24:20,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667000329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:20,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:20,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:20,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628602749] [2022-10-15 22:24:20,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:20,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:20,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:20,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:20,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:20,061 INFO L87 Difference]: Start difference. First operand 762 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 22:24:20,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:20,144 INFO L93 Difference]: Finished difference Result 1798 states and 2889 transitions. [2022-10-15 22:24:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:20,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-15 22:24:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:20,153 INFO L225 Difference]: With dead ends: 1798 [2022-10-15 22:24:20,153 INFO L226 Difference]: Without dead ends: 1231 [2022-10-15 22:24:20,155 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 22:24:20,157 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 309 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1510 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 22:24:20,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1510 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2022-10-15 22:24:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1185. [2022-10-15 22:24:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1137 states have (on average 1.735268249780123) internal successors, (1973), 1184 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states 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 22:24:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1973 transitions. [2022-10-15 22:24:20,251 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1973 transitions. Word has length 107 [2022-10-15 22:24:20,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:20,253 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1973 transitions. [2022-10-15 22:24:20,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 22:24:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1973 transitions. [2022-10-15 22:24:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:24:20,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:20,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:20,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:24:20,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:20,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash -478183673, now seen corresponding path program 1 times [2022-10-15 22:24:20,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:20,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901847252] [2022-10-15 22:24:20,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:20,491 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 22:24:20,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:20,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901847252] [2022-10-15 22:24:20,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901847252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:20,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:20,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:20,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111888319] [2022-10-15 22:24:20,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:20,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:20,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:20,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:20,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:20,495 INFO L87 Difference]: Start difference. First operand 1185 states and 1973 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 22:24:20,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:20,618 INFO L93 Difference]: Finished difference Result 2732 states and 4524 transitions. [2022-10-15 22:24:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:20,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:24:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:20,630 INFO L225 Difference]: With dead ends: 2732 [2022-10-15 22:24:20,631 INFO L226 Difference]: Without dead ends: 1742 [2022-10-15 22:24:20,633 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 22:24:20,635 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 311 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:20,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:20,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-10-15 22:24:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1693. [2022-10-15 22:24:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1645 states have (on average 1.7349544072948329) internal successors, (2854), 1692 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states 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 22:24:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2854 transitions. [2022-10-15 22:24:20,749 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2854 transitions. Word has length 111 [2022-10-15 22:24:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:20,750 INFO L495 AbstractCegarLoop]: Abstraction has 1693 states and 2854 transitions. [2022-10-15 22:24:20,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 22:24:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2854 transitions. [2022-10-15 22:24:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:24:20,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:20,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:20,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:24:20,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:20,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1323241060, now seen corresponding path program 1 times [2022-10-15 22:24:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:20,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638041636] [2022-10-15 22:24:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:20,902 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 22:24:20,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:20,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638041636] [2022-10-15 22:24:20,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638041636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:20,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:20,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:20,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577421768] [2022-10-15 22:24:20,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:20,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:20,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:20,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:20,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:20,906 INFO L87 Difference]: Start difference. First operand 1693 states and 2854 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:21,120 INFO L93 Difference]: Finished difference Result 4355 states and 7369 transitions. [2022-10-15 22:24:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:21,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-15 22:24:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:21,138 INFO L225 Difference]: With dead ends: 4355 [2022-10-15 22:24:21,139 INFO L226 Difference]: Without dead ends: 2879 [2022-10-15 22:24:21,142 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 22:24:21,144 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 302 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1477 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 22:24:21,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1477 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:21,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-10-15 22:24:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2833. [2022-10-15 22:24:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2785 states have (on average 1.7432675044883303) internal successors, (4855), 2832 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states 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 22:24:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 4855 transitions. [2022-10-15 22:24:21,371 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 4855 transitions. Word has length 114 [2022-10-15 22:24:21,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:21,371 INFO L495 AbstractCegarLoop]: Abstraction has 2833 states and 4855 transitions. [2022-10-15 22:24:21,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 4855 transitions. [2022-10-15 22:24:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:24:21,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:21,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:21,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:24:21,376 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:21,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash -81521139, now seen corresponding path program 1 times [2022-10-15 22:24:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:21,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202617213] [2022-10-15 22:24:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:21,653 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 22:24:21,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:21,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202617213] [2022-10-15 22:24:21,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202617213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:21,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:21,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:21,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474093886] [2022-10-15 22:24:21,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:21,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:21,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:21,658 INFO L87 Difference]: Start difference. First operand 2833 states and 4855 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states 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 22:24:21,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:21,983 INFO L93 Difference]: Finished difference Result 6855 states and 11738 transitions. [2022-10-15 22:24:21,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:21,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-15 22:24:21,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:22,009 INFO L225 Difference]: With dead ends: 6855 [2022-10-15 22:24:22,009 INFO L226 Difference]: Without dead ends: 4239 [2022-10-15 22:24:22,017 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 22:24:22,021 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 304 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:22,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:22,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2022-10-15 22:24:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4184. [2022-10-15 22:24:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4184 states, 4136 states have (on average 1.739845261121857) internal successors, (7196), 4183 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states 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 22:24:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 7196 transitions. [2022-10-15 22:24:22,411 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 7196 transitions. Word has length 118 [2022-10-15 22:24:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:22,411 INFO L495 AbstractCegarLoop]: Abstraction has 4184 states and 7196 transitions. [2022-10-15 22:24:22,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states 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 22:24:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 7196 transitions. [2022-10-15 22:24:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:24:22,414 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:22,415 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, 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 22:24:22,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:24:22,415 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1240581009, now seen corresponding path program 1 times [2022-10-15 22:24:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:22,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919421393] [2022-10-15 22:24:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:22,547 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 22:24:22,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:22,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919421393] [2022-10-15 22:24:22,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919421393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:22,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:22,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:22,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106222284] [2022-10-15 22:24:22,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:22,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:22,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:22,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:22,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:22,551 INFO L87 Difference]: Start difference. First operand 4184 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states 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 22:24:23,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:23,141 INFO L93 Difference]: Finished difference Result 11208 states and 19337 transitions. [2022-10-15 22:24:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:23,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-15 22:24:23,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:23,187 INFO L225 Difference]: With dead ends: 11208 [2022-10-15 22:24:23,187 INFO L226 Difference]: Without dead ends: 7263 [2022-10-15 22:24:23,196 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 22:24:23,200 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 295 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1444 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 22:24:23,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1444 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2022-10-15 22:24:23,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 7217. [2022-10-15 22:24:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7217 states, 7169 states have (on average 1.7431998884084252) internal successors, (12497), 7216 states have internal predecessors, (12497), 0 states have call successors, (0), 0 states 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 22:24:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7217 states to 7217 states and 12497 transitions. [2022-10-15 22:24:23,781 INFO L78 Accepts]: Start accepts. Automaton has 7217 states and 12497 transitions. Word has length 121 [2022-10-15 22:24:23,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:23,782 INFO L495 AbstractCegarLoop]: Abstraction has 7217 states and 12497 transitions. [2022-10-15 22:24:23,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states 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 22:24:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7217 states and 12497 transitions. [2022-10-15 22:24:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:24:23,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:23,784 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, 1, 1, 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 22:24:23,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:24:23,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash 247001831, now seen corresponding path program 1 times [2022-10-15 22:24:23,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:23,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343089674] [2022-10-15 22:24:23,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:23,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:24,008 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 22:24:24,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:24,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343089674] [2022-10-15 22:24:24,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343089674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:24,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:24,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:24,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004880528] [2022-10-15 22:24:24,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:24,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:24,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:24,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:24,012 INFO L87 Difference]: Start difference. First operand 7217 states and 12497 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:24:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:24,754 INFO L93 Difference]: Finished difference Result 17890 states and 30972 transitions. [2022-10-15 22:24:24,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:24,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-15 22:24:24,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:24,808 INFO L225 Difference]: With dead ends: 17890 [2022-10-15 22:24:24,808 INFO L226 Difference]: Without dead ends: 10912 [2022-10-15 22:24:24,821 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 22:24:24,822 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 297 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:24,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1263 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:24:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10912 states. [2022-10-15 22:24:25,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10912 to 10839. [2022-10-15 22:24:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10839 states, 10791 states have (on average 1.7375590770086182) internal successors, (18750), 10838 states have internal predecessors, (18750), 0 states have call successors, (0), 0 states 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 22:24:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10839 states to 10839 states and 18750 transitions. [2022-10-15 22:24:25,613 INFO L78 Accepts]: Start accepts. Automaton has 10839 states and 18750 transitions. Word has length 124 [2022-10-15 22:24:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:25,614 INFO L495 AbstractCegarLoop]: Abstraction has 10839 states and 18750 transitions. [2022-10-15 22:24:25,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:24:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 10839 states and 18750 transitions. [2022-10-15 22:24:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:24:25,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:25,616 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, 1, 1, 1, 1, 1, 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 22:24:25,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:24:25,617 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1736640606, now seen corresponding path program 1 times [2022-10-15 22:24:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:25,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153396577] [2022-10-15 22:24:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:25,792 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 22:24:25,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:25,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153396577] [2022-10-15 22:24:25,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153396577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:25,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:25,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:25,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442428161] [2022-10-15 22:24:25,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:25,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:25,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:25,795 INFO L87 Difference]: Start difference. First operand 10839 states and 18750 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 22:24:27,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:27,667 INFO L93 Difference]: Finished difference Result 25044 states and 43554 transitions. [2022-10-15 22:24:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-15 22:24:27,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:27,770 INFO L225 Difference]: With dead ends: 25044 [2022-10-15 22:24:27,771 INFO L226 Difference]: Without dead ends: 25041 [2022-10-15 22:24:27,784 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 22:24:27,785 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1000 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:27,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1862 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:24:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25041 states. [2022-10-15 22:24:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25041 to 20223. [2022-10-15 22:24:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20223 states, 20175 states have (on average 1.7323420074349443) internal successors, (34950), 20222 states have internal predecessors, (34950), 0 states have call successors, (0), 0 states 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 22:24:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20223 states to 20223 states and 34950 transitions. [2022-10-15 22:24:29,388 INFO L78 Accepts]: Start accepts. Automaton has 20223 states and 34950 transitions. Word has length 127 [2022-10-15 22:24:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:29,388 INFO L495 AbstractCegarLoop]: Abstraction has 20223 states and 34950 transitions. [2022-10-15 22:24:29,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 22:24:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 20223 states and 34950 transitions. [2022-10-15 22:24:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-15 22:24:29,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:29,391 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, 1, 1, 1, 1, 1, 1, 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 22:24:29,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:24:29,391 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1998715605, now seen corresponding path program 1 times [2022-10-15 22:24:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:29,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847069081] [2022-10-15 22:24:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:29,574 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 22:24:29,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:29,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847069081] [2022-10-15 22:24:29,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847069081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:29,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:29,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:29,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131526267] [2022-10-15 22:24:29,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:29,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:29,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:29,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:29,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:29,578 INFO L87 Difference]: Start difference. First operand 20223 states and 34950 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:24:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:31,665 INFO L93 Difference]: Finished difference Result 24996 states and 43338 transitions. [2022-10-15 22:24:31,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:31,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-15 22:24:31,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:31,766 INFO L225 Difference]: With dead ends: 24996 [2022-10-15 22:24:31,766 INFO L226 Difference]: Without dead ends: 24993 [2022-10-15 22:24:31,780 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 22:24:31,781 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 997 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:31,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1473 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:24:31,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24993 states. [2022-10-15 22:24:33,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24993 to 24951. [2022-10-15 22:24:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24951 states, 24903 states have (on average 1.7258161667269003) internal successors, (42978), 24950 states have internal predecessors, (42978), 0 states have call successors, (0), 0 states 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 22:24:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24951 states to 24951 states and 42978 transitions. [2022-10-15 22:24:33,369 INFO L78 Accepts]: Start accepts. Automaton has 24951 states and 42978 transitions. Word has length 128 [2022-10-15 22:24:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:33,370 INFO L495 AbstractCegarLoop]: Abstraction has 24951 states and 42978 transitions. [2022-10-15 22:24:33,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:24:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24951 states and 42978 transitions. [2022-10-15 22:24:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 22:24:33,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:33,373 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, 1, 1, 1, 1, 1, 1, 1, 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 22:24:33,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:24:33,373 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:33,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1830641152, now seen corresponding path program 1 times [2022-10-15 22:24:33,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:33,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142180480] [2022-10-15 22:24:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:33,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:33,620 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 22:24:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:33,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142180480] [2022-10-15 22:24:33,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142180480] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:33,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:33,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:24:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957700050] [2022-10-15 22:24:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:33,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:24:33,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:24:33,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:33,625 INFO L87 Difference]: Start difference. First operand 24951 states and 42978 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:36,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:36,300 INFO L93 Difference]: Finished difference Result 36735 states and 63084 transitions. [2022-10-15 22:24:36,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:24:36,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-15 22:24:36,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:36,405 INFO L225 Difference]: With dead ends: 36735 [2022-10-15 22:24:36,405 INFO L226 Difference]: Without dead ends: 36732 [2022-10-15 22:24:36,415 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 22:24:36,417 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1682 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:36,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 2785 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36732 states. [2022-10-15 22:24:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36732 to 31881. [2022-10-15 22:24:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31881 states, 31833 states have (on average 1.714824238997267) internal successors, (54588), 31880 states have internal predecessors, (54588), 0 states have call successors, (0), 0 states 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 22:24:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31881 states to 31881 states and 54588 transitions. [2022-10-15 22:24:38,412 INFO L78 Accepts]: Start accepts. Automaton has 31881 states and 54588 transitions. Word has length 129 [2022-10-15 22:24:38,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:38,413 INFO L495 AbstractCegarLoop]: Abstraction has 31881 states and 54588 transitions. [2022-10-15 22:24:38,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 31881 states and 54588 transitions. [2022-10-15 22:24:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 22:24:38,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:38,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:38,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:24:38,415 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:38,416 INFO L85 PathProgramCache]: Analyzing trace with hash -915300403, now seen corresponding path program 1 times [2022-10-15 22:24:38,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:38,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888019960] [2022-10-15 22:24:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:38,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:38,619 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 22:24:38,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:38,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888019960] [2022-10-15 22:24:38,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888019960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:38,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:38,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:24:38,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823205862] [2022-10-15 22:24:38,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:38,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:24:38,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:38,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:24:38,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:38,623 INFO L87 Difference]: Start difference. First operand 31881 states and 54588 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 22:24:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:41,117 INFO L93 Difference]: Finished difference Result 36525 states and 62496 transitions. [2022-10-15 22:24:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:24:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 22:24:41,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:41,220 INFO L225 Difference]: With dead ends: 36525 [2022-10-15 22:24:41,221 INFO L226 Difference]: Without dead ends: 36522 [2022-10-15 22:24:41,236 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 22:24:41,237 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1885 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:41,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2135 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:24:41,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36522 states. [2022-10-15 22:24:43,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36522 to 36441. [2022-10-15 22:24:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36441 states, 36393 states have (on average 1.704723435825571) internal successors, (62040), 36440 states have internal predecessors, (62040), 0 states have call successors, (0), 0 states 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 22:24:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36441 states to 36441 states and 62040 transitions. [2022-10-15 22:24:43,669 INFO L78 Accepts]: Start accepts. Automaton has 36441 states and 62040 transitions. Word has length 130 [2022-10-15 22:24:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:43,670 INFO L495 AbstractCegarLoop]: Abstraction has 36441 states and 62040 transitions. [2022-10-15 22:24:43,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states 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 22:24:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 36441 states and 62040 transitions. [2022-10-15 22:24:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 22:24:43,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:43,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:43,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:24:43,672 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:43,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1690459042, now seen corresponding path program 1 times [2022-10-15 22:24:43,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:43,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949345639] [2022-10-15 22:24:43,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:43,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:43,909 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 22:24:43,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:43,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949345639] [2022-10-15 22:24:43,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949345639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:43,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:43,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:24:43,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980836939] [2022-10-15 22:24:43,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:43,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:24:43,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:43,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:24:43,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:24:43,912 INFO L87 Difference]: Start difference. First operand 36441 states and 62040 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:50,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:50,099 INFO L93 Difference]: Finished difference Result 120437 states and 205593 transitions. [2022-10-15 22:24:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:24:50,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-10-15 22:24:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:50,291 INFO L225 Difference]: With dead ends: 120437 [2022-10-15 22:24:50,292 INFO L226 Difference]: Without dead ends: 84257 [2022-10-15 22:24:50,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:24:50,355 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 2916 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:50,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2916 Valid, 5312 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84257 states. [2022-10-15 22:24:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84257 to 68313. [2022-10-15 22:24:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68313 states, 68265 states have (on average 1.6899582509338607) internal successors, (115365), 68312 states have internal predecessors, (115365), 0 states have call successors, (0), 0 states 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 22:24:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68313 states to 68313 states and 115365 transitions. [2022-10-15 22:24:55,098 INFO L78 Accepts]: Start accepts. Automaton has 68313 states and 115365 transitions. Word has length 131 [2022-10-15 22:24:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:55,098 INFO L495 AbstractCegarLoop]: Abstraction has 68313 states and 115365 transitions. [2022-10-15 22:24:55,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68313 states and 115365 transitions. [2022-10-15 22:24:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:55,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:55,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:24:55,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:24:55,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash 864623215, now seen corresponding path program 1 times [2022-10-15 22:24:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:55,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112703209] [2022-10-15 22:24:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:55,557 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 22:24:55,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:55,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112703209] [2022-10-15 22:24:55,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112703209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:55,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:55,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:24:55,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462168105] [2022-10-15 22:24:55,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:55,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:24:55,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:24:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:24:55,561 INFO L87 Difference]: Start difference. First operand 68313 states and 115365 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 22:25:01,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:25:01,725 INFO L93 Difference]: Finished difference Result 93630 states and 158703 transitions. [2022-10-15 22:25:01,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:25:01,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 22:25:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:25:01,950 INFO L225 Difference]: With dead ends: 93630 [2022-10-15 22:25:01,950 INFO L226 Difference]: Without dead ends: 93627 [2022-10-15 22:25:01,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:25:01,973 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 3280 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3280 SdHoareTripleChecker+Valid, 3479 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:25:01,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 3479 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:25:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93627 states.