/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:55:27,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:55:27,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:55:27,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:55:27,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:55:27,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:55:27,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:55:27,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:55:27,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:55:27,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:55:27,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:55:27,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:55:27,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:55:27,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:55:27,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:55:27,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:55:27,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:55:27,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:55:27,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:55:27,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:55:27,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:55:27,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:55:27,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:55:27,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:55:27,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:55:27,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:55:27,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:55:27,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:55:27,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:55:27,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:55:27,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:55:27,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:55:27,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:55:27,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:55:27,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:55:27,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:55:27,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:55:27,958 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:55:27,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:55:27,961 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:55:27,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:55:27,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:55:27,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:55:27,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:55:27,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:55:27,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:55:27,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:55:27,965 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:55:27,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:55:27,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:55:27,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:55:27,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:55:27,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:55:27,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:55:27,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:55:27,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:27,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:55:27,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:55:27,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:55:27,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:55:27,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:55:27,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:55:27,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:55:28,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:55:28,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:55:28,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:55:28,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:55:28,435 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:55:28,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:28,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def22c427/cb803b51c90c4370904f024c9d89fbfc/FLAG9fc50af5b [2022-10-15 21:55:29,261 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:55:29,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:29,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def22c427/cb803b51c90c4370904f024c9d89fbfc/FLAG9fc50af5b [2022-10-15 21:55:29,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def22c427/cb803b51c90c4370904f024c9d89fbfc [2022-10-15 21:55:29,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:55:29,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:55:29,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:29,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:55:29,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:55:29,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:29" (1/1) ... [2022-10-15 21:55:29,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893b22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:29, skipping insertion in model container [2022-10-15 21:55:29,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:55:29" (1/1) ... [2022-10-15 21:55:29,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:55:29,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:55:29,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2022-10-15 21:55:29,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:29,939 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:55:30,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2022-10-15 21:55:30,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:55:30,034 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:55:30,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30 WrapperNode [2022-10-15 21:55:30,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:55:30,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:30,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:55:30,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:55:30,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,113 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 419 [2022-10-15 21:55:30,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:55:30,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:55:30,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:55:30,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:55:30,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:55:30,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:55:30,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:55:30,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:55:30,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (1/1) ... [2022-10-15 21:55:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:55:30,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:55:30,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:55:30,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:55:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:55:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:55:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:55:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:55:30,448 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:55:30,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:55:31,294 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:55:31,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:55:31,305 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:55:31,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:31 BoogieIcfgContainer [2022-10-15 21:55:31,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:55:31,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:55:31,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:55:31,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:55:31,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:55:29" (1/3) ... [2022-10-15 21:55:31,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dd75f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:31, skipping insertion in model container [2022-10-15 21:55:31,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:55:30" (2/3) ... [2022-10-15 21:55:31,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dd75f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:55:31, skipping insertion in model container [2022-10-15 21:55:31,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:55:31" (3/3) ... [2022-10-15 21:55:31,318 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2022-10-15 21:55:31,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:55:31,340 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-15 21:55:31,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:55:31,421 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;@7aa2d811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:55:31,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-15 21:55:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 148 states have (on average 1.7567567567567568) internal successors, (260), 176 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:55:31,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:31,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:55:31,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:31,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:31,445 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:55:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:31,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55619673] [2022-10-15 21:55:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:31,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:31,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55619673] [2022-10-15 21:55:31,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55619673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:31,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:31,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:55:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400262539] [2022-10-15 21:55:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:31,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:55:31,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:55:31,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:31,738 INFO L87 Difference]: Start difference. First operand has 177 states, 148 states have (on average 1.7567567567567568) internal successors, (260), 176 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:31,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:31,806 INFO L93 Difference]: Finished difference Result 301 states and 434 transitions. [2022-10-15 21:55:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:55:31,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 21:55:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:31,827 INFO L225 Difference]: With dead ends: 301 [2022-10-15 21:55:31,827 INFO L226 Difference]: Without dead ends: 164 [2022-10-15 21:55:31,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:55:31,840 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:31,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:31,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-10-15 21:55:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-10-15 21:55:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.6944444444444444) internal successors, (244), 163 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 244 transitions. [2022-10-15 21:55:31,927 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 244 transitions. Word has length 4 [2022-10-15 21:55:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:31,928 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 244 transitions. [2022-10-15 21:55:31,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 244 transitions. [2022-10-15 21:55:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:55:31,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:31,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:31,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:55:31,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1645886508, now seen corresponding path program 1 times [2022-10-15 21:55:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:31,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407829942] [2022-10-15 21:55:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:31,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:32,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:32,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407829942] [2022-10-15 21:55:32,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407829942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:32,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:32,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:32,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784866067] [2022-10-15 21:55:32,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:32,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:32,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:32,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:32,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:32,302 INFO L87 Difference]: Start difference. First operand 164 states and 244 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:32,398 INFO L93 Difference]: Finished difference Result 286 states and 414 transitions. [2022-10-15 21:55:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:32,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-15 21:55:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:32,401 INFO L225 Difference]: With dead ends: 286 [2022-10-15 21:55:32,402 INFO L226 Difference]: Without dead ends: 164 [2022-10-15 21:55:32,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:32,405 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 3 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:32,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 933 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:32,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-10-15 21:55:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-10-15 21:55:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.4722222222222223) internal successors, (212), 163 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2022-10-15 21:55:32,420 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 212 transitions. Word has length 10 [2022-10-15 21:55:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:32,420 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-10-15 21:55:32,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 212 transitions. [2022-10-15 21:55:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 21:55:32,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:32,423 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] [2022-10-15 21:55:32,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:55:32,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:32,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:32,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1847267111, now seen corresponding path program 1 times [2022-10-15 21:55:32,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:32,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58882236] [2022-10-15 21:55:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:32,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:32,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:32,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58882236] [2022-10-15 21:55:32,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58882236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:32,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:32,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:32,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967299755] [2022-10-15 21:55:32,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:32,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:32,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:32,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:32,599 INFO L87 Difference]: Start difference. First operand 164 states and 212 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:32,657 INFO L93 Difference]: Finished difference Result 384 states and 520 transitions. [2022-10-15 21:55:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:32,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 21:55:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:32,664 INFO L225 Difference]: With dead ends: 384 [2022-10-15 21:55:32,665 INFO L226 Difference]: Without dead ends: 266 [2022-10-15 21:55:32,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:32,670 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 150 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:32,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 515 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-10-15 21:55:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 248. [2022-10-15 21:55:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 228 states have (on average 1.5482456140350878) internal successors, (353), 247 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 353 transitions. [2022-10-15 21:55:32,693 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 353 transitions. Word has length 49 [2022-10-15 21:55:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:32,694 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 353 transitions. [2022-10-15 21:55:32,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 353 transitions. [2022-10-15 21:55:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 21:55:32,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:32,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:55:32,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:32,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:32,699 INFO L85 PathProgramCache]: Analyzing trace with hash 406380073, now seen corresponding path program 1 times [2022-10-15 21:55:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:32,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689185904] [2022-10-15 21:55:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:32,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:32,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689185904] [2022-10-15 21:55:32,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689185904] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:32,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:32,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:32,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048329055] [2022-10-15 21:55:32,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:32,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:32,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:32,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:32,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:32,892 INFO L87 Difference]: Start difference. First operand 248 states and 353 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:32,929 INFO L93 Difference]: Finished difference Result 628 states and 927 transitions. [2022-10-15 21:55:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:32,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 21:55:32,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:32,933 INFO L225 Difference]: With dead ends: 628 [2022-10-15 21:55:32,933 INFO L226 Difference]: Without dead ends: 426 [2022-10-15 21:55:32,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:32,936 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 149 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:32,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 510 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-10-15 21:55:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 406. [2022-10-15 21:55:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 386 states have (on average 1.6010362694300517) internal successors, (618), 405 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 618 transitions. [2022-10-15 21:55:32,966 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 618 transitions. Word has length 69 [2022-10-15 21:55:32,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:32,967 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 618 transitions. [2022-10-15 21:55:32,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 618 transitions. [2022-10-15 21:55:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:55:32,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:32,970 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] [2022-10-15 21:55:32,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:55:32,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1226318387, now seen corresponding path program 1 times [2022-10-15 21:55:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:32,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550697444] [2022-10-15 21:55:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:33,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:33,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550697444] [2022-10-15 21:55:33,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550697444] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:33,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:33,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:33,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639949608] [2022-10-15 21:55:33,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:33,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:33,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:33,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:33,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,102 INFO L87 Difference]: Start difference. First operand 406 states and 618 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:33,163 INFO L93 Difference]: Finished difference Result 1078 states and 1682 transitions. [2022-10-15 21:55:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:33,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 21:55:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:33,169 INFO L225 Difference]: With dead ends: 1078 [2022-10-15 21:55:33,169 INFO L226 Difference]: Without dead ends: 718 [2022-10-15 21:55:33,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,172 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 144 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:33,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 501 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:33,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-10-15 21:55:33,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 698. [2022-10-15 21:55:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 678 states have (on average 1.631268436578171) internal successors, (1106), 697 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1106 transitions. [2022-10-15 21:55:33,210 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1106 transitions. Word has length 70 [2022-10-15 21:55:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:33,211 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 1106 transitions. [2022-10-15 21:55:33,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1106 transitions. [2022-10-15 21:55:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:55:33,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:33,214 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] [2022-10-15 21:55:33,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:55:33,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:33,216 INFO L85 PathProgramCache]: Analyzing trace with hash 795878201, now seen corresponding path program 1 times [2022-10-15 21:55:33,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:33,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058815756] [2022-10-15 21:55:33,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058815756] [2022-10-15 21:55:33,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058815756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:33,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:33,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:33,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678926739] [2022-10-15 21:55:33,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:33,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:33,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:33,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:33,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,339 INFO L87 Difference]: Start difference. First operand 698 states and 1106 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:33,432 INFO L93 Difference]: Finished difference Result 1906 states and 3066 transitions. [2022-10-15 21:55:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:33,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 21:55:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:33,442 INFO L225 Difference]: With dead ends: 1906 [2022-10-15 21:55:33,442 INFO L226 Difference]: Without dead ends: 1254 [2022-10-15 21:55:33,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,445 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 139 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:33,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 492 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:33,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2022-10-15 21:55:33,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1234. [2022-10-15 21:55:33,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1214 states have (on average 1.6457990115321253) internal successors, (1998), 1233 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1998 transitions. [2022-10-15 21:55:33,534 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1998 transitions. Word has length 71 [2022-10-15 21:55:33,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:33,535 INFO L495 AbstractCegarLoop]: Abstraction has 1234 states and 1998 transitions. [2022-10-15 21:55:33,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1998 transitions. [2022-10-15 21:55:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:55:33,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:33,538 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] [2022-10-15 21:55:33,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:55:33,539 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1171872803, now seen corresponding path program 1 times [2022-10-15 21:55:33,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:33,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457699920] [2022-10-15 21:55:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:33,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:33,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:33,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457699920] [2022-10-15 21:55:33,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457699920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:33,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:33,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127154062] [2022-10-15 21:55:33,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:33,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:33,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:33,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:33,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,644 INFO L87 Difference]: Start difference. First operand 1234 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:33,761 INFO L93 Difference]: Finished difference Result 3418 states and 5582 transitions. [2022-10-15 21:55:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:33,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:55:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:33,778 INFO L225 Difference]: With dead ends: 3418 [2022-10-15 21:55:33,778 INFO L226 Difference]: Without dead ends: 2230 [2022-10-15 21:55:33,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:33,783 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 134 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:33,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 483 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:33,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-10-15 21:55:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2210. [2022-10-15 21:55:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2190 states have (on average 1.650228310502283) internal successors, (3614), 2209 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3614 transitions. [2022-10-15 21:55:33,949 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3614 transitions. Word has length 72 [2022-10-15 21:55:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:33,949 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 3614 transitions. [2022-10-15 21:55:33,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3614 transitions. [2022-10-15 21:55:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:55:33,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:33,951 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] [2022-10-15 21:55:33,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:55:33,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:33,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1208412087, now seen corresponding path program 1 times [2022-10-15 21:55:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:33,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801188919] [2022-10-15 21:55:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:34,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:34,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801188919] [2022-10-15 21:55:34,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801188919] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:34,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:34,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648461339] [2022-10-15 21:55:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:34,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:34,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:34,090 INFO L87 Difference]: Start difference. First operand 2210 states and 3614 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:34,500 INFO L93 Difference]: Finished difference Result 6536 states and 10750 transitions. [2022-10-15 21:55:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:55:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 21:55:34,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:34,542 INFO L225 Difference]: With dead ends: 6536 [2022-10-15 21:55:34,542 INFO L226 Difference]: Without dead ends: 6534 [2022-10-15 21:55:34,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:34,547 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 493 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:34,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 480 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6534 states. [2022-10-15 21:55:34,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6534 to 4354. [2022-10-15 21:55:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4354 states, 4334 states have (on average 1.6423627134287033) internal successors, (7118), 4353 states have internal predecessors, (7118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 4354 states and 7118 transitions. [2022-10-15 21:55:34,916 INFO L78 Accepts]: Start accepts. Automaton has 4354 states and 7118 transitions. Word has length 73 [2022-10-15 21:55:34,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:34,916 INFO L495 AbstractCegarLoop]: Abstraction has 4354 states and 7118 transitions. [2022-10-15 21:55:34,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 7118 transitions. [2022-10-15 21:55:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:55:34,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:34,922 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] [2022-10-15 21:55:34,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:55:34,929 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:34,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1193931524, now seen corresponding path program 1 times [2022-10-15 21:55:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:34,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360331375] [2022-10-15 21:55:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:35,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:35,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360331375] [2022-10-15 21:55:35,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360331375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:35,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:35,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:35,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475590321] [2022-10-15 21:55:35,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:35,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:35,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:35,100 INFO L87 Difference]: Start difference. First operand 4354 states and 7118 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:35,523 INFO L93 Difference]: Finished difference Result 6516 states and 10686 transitions. [2022-10-15 21:55:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:55:35,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 21:55:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:35,566 INFO L225 Difference]: With dead ends: 6516 [2022-10-15 21:55:35,566 INFO L226 Difference]: Without dead ends: 6514 [2022-10-15 21:55:35,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:35,571 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 492 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:35,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 329 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:35,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6514 states. [2022-10-15 21:55:36,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6514 to 6498. [2022-10-15 21:55:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6498 states, 6478 states have (on average 1.629824019759185) internal successors, (10558), 6497 states have internal predecessors, (10558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6498 states to 6498 states and 10558 transitions. [2022-10-15 21:55:36,051 INFO L78 Accepts]: Start accepts. Automaton has 6498 states and 10558 transitions. Word has length 74 [2022-10-15 21:55:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:36,052 INFO L495 AbstractCegarLoop]: Abstraction has 6498 states and 10558 transitions. [2022-10-15 21:55:36,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6498 states and 10558 transitions. [2022-10-15 21:55:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:55:36,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:36,053 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] [2022-10-15 21:55:36,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:55:36,054 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:36,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1642827861, now seen corresponding path program 1 times [2022-10-15 21:55:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:36,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854100153] [2022-10-15 21:55:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:36,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:36,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854100153] [2022-10-15 21:55:36,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854100153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:36,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:36,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:36,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421213179] [2022-10-15 21:55:36,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:36,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:36,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:36,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:36,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:36,159 INFO L87 Difference]: Start difference. First operand 6498 states and 10558 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:36,871 INFO L93 Difference]: Finished difference Result 10834 states and 17502 transitions. [2022-10-15 21:55:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:55:36,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 21:55:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:36,925 INFO L225 Difference]: With dead ends: 10834 [2022-10-15 21:55:36,925 INFO L226 Difference]: Without dead ends: 10832 [2022-10-15 21:55:36,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:36,930 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 832 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:36,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 767 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10832 states. [2022-10-15 21:55:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10832 to 8642. [2022-10-15 21:55:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8642 states, 8622 states have (on average 1.6160983530503363) internal successors, (13934), 8641 states have internal predecessors, (13934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8642 states to 8642 states and 13934 transitions. [2022-10-15 21:55:37,509 INFO L78 Accepts]: Start accepts. Automaton has 8642 states and 13934 transitions. Word has length 75 [2022-10-15 21:55:37,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:37,509 INFO L495 AbstractCegarLoop]: Abstraction has 8642 states and 13934 transitions. [2022-10-15 21:55:37,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8642 states and 13934 transitions. [2022-10-15 21:55:37,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:55:37,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:37,511 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] [2022-10-15 21:55:37,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:55:37,511 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:37,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:37,512 INFO L85 PathProgramCache]: Analyzing trace with hash 611944422, now seen corresponding path program 1 times [2022-10-15 21:55:37,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:37,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813839875] [2022-10-15 21:55:37,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:37,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:37,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:37,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813839875] [2022-10-15 21:55:37,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813839875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:37,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:37,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:55:37,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95311733] [2022-10-15 21:55:37,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:37,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:55:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:37,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:55:37,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:37,620 INFO L87 Difference]: Start difference. First operand 8642 states and 13934 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:38,391 INFO L93 Difference]: Finished difference Result 10818 states and 17438 transitions. [2022-10-15 21:55:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:55:38,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:55:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:38,422 INFO L225 Difference]: With dead ends: 10818 [2022-10-15 21:55:38,422 INFO L226 Difference]: Without dead ends: 10816 [2022-10-15 21:55:38,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:55:38,429 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 962 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:38,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 495 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:38,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10816 states. [2022-10-15 21:55:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10816 to 10786. [2022-10-15 21:55:39,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10786 states, 10766 states have (on average 1.601894854170537) internal successors, (17246), 10785 states have internal predecessors, (17246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10786 states to 10786 states and 17246 transitions. [2022-10-15 21:55:39,082 INFO L78 Accepts]: Start accepts. Automaton has 10786 states and 17246 transitions. Word has length 76 [2022-10-15 21:55:39,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:39,083 INFO L495 AbstractCegarLoop]: Abstraction has 10786 states and 17246 transitions. [2022-10-15 21:55:39,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 10786 states and 17246 transitions. [2022-10-15 21:55:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:55:39,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:39,092 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] [2022-10-15 21:55:39,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:55:39,094 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1790408461, now seen corresponding path program 1 times [2022-10-15 21:55:39,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:39,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142793158] [2022-10-15 21:55:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:39,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142793158] [2022-10-15 21:55:39,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142793158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:39,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:39,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:39,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658910872] [2022-10-15 21:55:39,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:39,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:55:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:39,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:55:39,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:55:39,238 INFO L87 Difference]: Start difference. First operand 10786 states and 17246 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:40,366 INFO L93 Difference]: Finished difference Result 17272 states and 27502 transitions. [2022-10-15 21:55:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:55:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 21:55:40,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:40,422 INFO L225 Difference]: With dead ends: 17272 [2022-10-15 21:55:40,423 INFO L226 Difference]: Without dead ends: 17270 [2022-10-15 21:55:40,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:55:40,430 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 1153 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:40,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 1171 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:40,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17270 states. [2022-10-15 21:55:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17270 to 12930. [2022-10-15 21:55:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12930 states, 12910 states have (on average 1.587451587916344) internal successors, (20494), 12929 states have internal predecessors, (20494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12930 states to 12930 states and 20494 transitions. [2022-10-15 21:55:41,471 INFO L78 Accepts]: Start accepts. Automaton has 12930 states and 20494 transitions. Word has length 77 [2022-10-15 21:55:41,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:41,472 INFO L495 AbstractCegarLoop]: Abstraction has 12930 states and 20494 transitions. [2022-10-15 21:55:41,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 12930 states and 20494 transitions. [2022-10-15 21:55:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 21:55:41,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:41,474 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] [2022-10-15 21:55:41,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:55:41,475 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:41,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:41,476 INFO L85 PathProgramCache]: Analyzing trace with hash -331911992, now seen corresponding path program 1 times [2022-10-15 21:55:41,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:41,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340619109] [2022-10-15 21:55:41,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:41,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:41,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:41,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340619109] [2022-10-15 21:55:41,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340619109] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:41,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:41,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:55:41,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164738488] [2022-10-15 21:55:41,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:41,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:55:41,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:41,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:55:41,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:55:41,687 INFO L87 Difference]: Start difference. First operand 12930 states and 20494 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:42,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:42,603 INFO L93 Difference]: Finished difference Result 17262 states and 27310 transitions. [2022-10-15 21:55:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:55:42,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-15 21:55:42,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:42,658 INFO L225 Difference]: With dead ends: 17262 [2022-10-15 21:55:42,658 INFO L226 Difference]: Without dead ends: 17260 [2022-10-15 21:55:42,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:55:42,667 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1286 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:42,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 781 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17260 states. [2022-10-15 21:55:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17260 to 17218. [2022-10-15 21:55:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17218 states, 17198 states have (on average 1.5730898941737412) internal successors, (27054), 17217 states have internal predecessors, (27054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17218 states to 17218 states and 27054 transitions. [2022-10-15 21:55:43,699 INFO L78 Accepts]: Start accepts. Automaton has 17218 states and 27054 transitions. Word has length 78 [2022-10-15 21:55:43,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:43,700 INFO L495 AbstractCegarLoop]: Abstraction has 17218 states and 27054 transitions. [2022-10-15 21:55:43,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 17218 states and 27054 transitions. [2022-10-15 21:55:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:55:43,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:43,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:43,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:55:43,702 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:43,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:43,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1699336593, now seen corresponding path program 1 times [2022-10-15 21:55:43,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:43,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972493296] [2022-10-15 21:55:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:43,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:43,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:43,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972493296] [2022-10-15 21:55:43,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972493296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:43,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:43,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:55:43,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119101375] [2022-10-15 21:55:43,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:43,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:55:43,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:43,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:55:43,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:43,864 INFO L87 Difference]: Start difference. First operand 17218 states and 27054 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:45,368 INFO L93 Difference]: Finished difference Result 43020 states and 67566 transitions. [2022-10-15 21:55:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:55:45,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 21:55:45,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:45,429 INFO L225 Difference]: With dead ends: 43020 [2022-10-15 21:55:45,429 INFO L226 Difference]: Without dead ends: 25848 [2022-10-15 21:55:45,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:55:45,460 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 1574 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:45,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 1597 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:55:45,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25848 states. [2022-10-15 21:55:46,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25848 to 19362. [2022-10-15 21:55:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19362 states, 19342 states have (on average 1.5567159549167615) internal successors, (30110), 19361 states have internal predecessors, (30110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19362 states to 19362 states and 30110 transitions. [2022-10-15 21:55:46,631 INFO L78 Accepts]: Start accepts. Automaton has 19362 states and 30110 transitions. Word has length 79 [2022-10-15 21:55:46,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:46,631 INFO L495 AbstractCegarLoop]: Abstraction has 19362 states and 30110 transitions. [2022-10-15 21:55:46,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 19362 states and 30110 transitions. [2022-10-15 21:55:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:55:46,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:46,632 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] [2022-10-15 21:55:46,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:55:46,633 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:46,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1139826262, now seen corresponding path program 1 times [2022-10-15 21:55:46,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:46,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043274843] [2022-10-15 21:55:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:46,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:46,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043274843] [2022-10-15 21:55:46,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043274843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:46,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:46,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:55:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559601497] [2022-10-15 21:55:46,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:46,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:55:46,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:46,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:55:46,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:55:46,783 INFO L87 Difference]: Start difference. First operand 19362 states and 30110 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:48,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:48,662 INFO L93 Difference]: Finished difference Result 34460 states and 53934 transitions. [2022-10-15 21:55:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 21:55:48,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-15 21:55:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:48,716 INFO L225 Difference]: With dead ends: 34460 [2022-10-15 21:55:48,717 INFO L226 Difference]: Without dead ends: 34458 [2022-10-15 21:55:48,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:55:48,728 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 2097 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:48,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 1419 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:55:48,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34458 states. [2022-10-15 21:55:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34458 to 34370. [2022-10-15 21:55:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34370 states, 34350 states have (on average 1.5533624454148471) internal successors, (53358), 34369 states have internal predecessors, (53358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34370 states to 34370 states and 53358 transitions. [2022-10-15 21:55:50,221 INFO L78 Accepts]: Start accepts. Automaton has 34370 states and 53358 transitions. Word has length 80 [2022-10-15 21:55:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:50,221 INFO L495 AbstractCegarLoop]: Abstraction has 34370 states and 53358 transitions. [2022-10-15 21:55:50,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 34370 states and 53358 transitions. [2022-10-15 21:55:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:55:50,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:50,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:55:50,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash 666739959, now seen corresponding path program 1 times [2022-10-15 21:55:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:50,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767559535] [2022-10-15 21:55:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:50,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:50,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767559535] [2022-10-15 21:55:50,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767559535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:50,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:50,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347504394] [2022-10-15 21:55:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:50,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:55:50,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:55:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:55:50,549 INFO L87 Difference]: Start difference. First operand 34370 states and 53358 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:52,011 INFO L93 Difference]: Finished difference Result 34443 states and 53452 transitions. [2022-10-15 21:55:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:55:52,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 21:55:52,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:52,059 INFO L225 Difference]: With dead ends: 34443 [2022-10-15 21:55:52,059 INFO L226 Difference]: Without dead ends: 34441 [2022-10-15 21:55:52,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:55:52,068 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 53 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:52,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 619 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34441 states. [2022-10-15 21:55:53,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34441 to 34441. [2022-10-15 21:55:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34441 states, 34421 states have (on average 1.5528311205368817) internal successors, (53450), 34440 states have internal predecessors, (53450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34441 states to 34441 states and 53450 transitions. [2022-10-15 21:55:53,445 INFO L78 Accepts]: Start accepts. Automaton has 34441 states and 53450 transitions. Word has length 87 [2022-10-15 21:55:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:53,446 INFO L495 AbstractCegarLoop]: Abstraction has 34441 states and 53450 transitions. [2022-10-15 21:55:53,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34441 states and 53450 transitions. [2022-10-15 21:55:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:55:53,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:53,447 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:53,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:55:53,448 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash 385952722, now seen corresponding path program 1 times [2022-10-15 21:55:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:53,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883601783] [2022-10-15 21:55:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:55:53,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:53,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883601783] [2022-10-15 21:55:53,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883601783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:53,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:53,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:55:53,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772928122] [2022-10-15 21:55:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:53,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:53,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:53,535 INFO L87 Difference]: Start difference. First operand 34441 states and 53450 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:55,087 INFO L93 Difference]: Finished difference Result 34441 states and 53450 transitions. [2022-10-15 21:55:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:55:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:55,137 INFO L225 Difference]: With dead ends: 34441 [2022-10-15 21:55:55,137 INFO L226 Difference]: Without dead ends: 34440 [2022-10-15 21:55:55,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:55,152 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:55,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 205 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34440 states. [2022-10-15 21:55:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34440 to 34440. [2022-10-15 21:55:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34440 states, 34421 states have (on average 1.5453938002963308) internal successors, (53194), 34439 states have internal predecessors, (53194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34440 states to 34440 states and 53194 transitions. [2022-10-15 21:55:56,850 INFO L78 Accepts]: Start accepts. Automaton has 34440 states and 53194 transitions. Word has length 91 [2022-10-15 21:55:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:56,851 INFO L495 AbstractCegarLoop]: Abstraction has 34440 states and 53194 transitions. [2022-10-15 21:55:56,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 34440 states and 53194 transitions. [2022-10-15 21:55:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:55:56,852 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:56,853 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:56,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:55:56,853 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:55:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash -920367240, now seen corresponding path program 1 times [2022-10-15 21:55:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:56,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031914867] [2022-10-15 21:55:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:56,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:55:57,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:57,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031914867] [2022-10-15 21:55:57,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031914867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:57,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:57,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:55:57,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907179203] [2022-10-15 21:55:57,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:57,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:57,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:57,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:57,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:57,166 INFO L87 Difference]: Start difference. First operand 34440 states and 53194 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:58,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:58,317 INFO L93 Difference]: Finished difference Result 34440 states and 53194 transitions. [2022-10-15 21:55:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:58,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 21:55:58,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:58,370 INFO L225 Difference]: With dead ends: 34440 [2022-10-15 21:55:58,370 INFO L226 Difference]: Without dead ends: 34439 [2022-10-15 21:55:58,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:58,381 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:58,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 205 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34439 states. [2022-10-15 21:55:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34439 to 34439. [2022-10-15 21:56:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34439 states, 34421 states have (on average 1.53795648005578) internal successors, (52938), 34438 states have internal predecessors, (52938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34439 states to 34439 states and 52938 transitions. [2022-10-15 21:56:00,099 INFO L78 Accepts]: Start accepts. Automaton has 34439 states and 52938 transitions. Word has length 92 [2022-10-15 21:56:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:00,099 INFO L495 AbstractCegarLoop]: Abstraction has 34439 states and 52938 transitions. [2022-10-15 21:56:00,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 34439 states and 52938 transitions. [2022-10-15 21:56:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 21:56:00,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:00,105 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:00,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:56:00,105 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:00,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash -512347130, now seen corresponding path program 1 times [2022-10-15 21:56:00,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:00,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985426671] [2022-10-15 21:56:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:00,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:00,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985426671] [2022-10-15 21:56:00,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985426671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:00,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:00,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:00,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016727228] [2022-10-15 21:56:00,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:00,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:00,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:00,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:00,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:00,199 INFO L87 Difference]: Start difference. First operand 34439 states and 52938 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 21:56:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:03,313 INFO L93 Difference]: Finished difference Result 101345 states and 155533 transitions. [2022-10-15 21:56:03,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:03,314 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 21:56:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:03,459 INFO L225 Difference]: With dead ends: 101345 [2022-10-15 21:56:03,459 INFO L226 Difference]: Without dead ends: 67023 [2022-10-15 21:56:03,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:03,520 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 112 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:03,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 426 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67023 states. [2022-10-15 21:56:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67023 to 67005. [2022-10-15 21:56:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67005 states, 66987 states have (on average 1.5259826533506502) internal successors, (102221), 67004 states have internal predecessors, (102221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67005 states to 67005 states and 102221 transitions. [2022-10-15 21:56:07,116 INFO L78 Accepts]: Start accepts. Automaton has 67005 states and 102221 transitions. Word has length 114 [2022-10-15 21:56:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:07,116 INFO L495 AbstractCegarLoop]: Abstraction has 67005 states and 102221 transitions. [2022-10-15 21:56:07,116 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 21:56:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 67005 states and 102221 transitions. [2022-10-15 21:56:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 21:56:07,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:07,124 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:07,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:56:07,124 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash 661151085, now seen corresponding path program 1 times [2022-10-15 21:56:07,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:07,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008347523] [2022-10-15 21:56:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:07,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 21:56:07,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:07,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008347523] [2022-10-15 21:56:07,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008347523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:07,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:07,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:07,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843359551] [2022-10-15 21:56:07,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:07,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:07,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:07,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:07,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:07,287 INFO L87 Difference]: Start difference. First operand 67005 states and 102221 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:11,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:11,361 INFO L93 Difference]: Finished difference Result 92089 states and 141389 transitions. [2022-10-15 21:56:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:11,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 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 115 [2022-10-15 21:56:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:11,554 INFO L225 Difference]: With dead ends: 92089 [2022-10-15 21:56:11,554 INFO L226 Difference]: Without dead ends: 92087 [2022-10-15 21:56:11,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:11,586 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 256 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:11,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 601 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92087 states. [2022-10-15 21:56:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92087 to 75357. [2022-10-15 21:56:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75357 states, 75339 states have (on average 1.5301105669042594) internal successors, (115277), 75356 states have internal predecessors, (115277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75357 states to 75357 states and 115277 transitions. [2022-10-15 21:56:16,527 INFO L78 Accepts]: Start accepts. Automaton has 75357 states and 115277 transitions. Word has length 115 [2022-10-15 21:56:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:16,527 INFO L495 AbstractCegarLoop]: Abstraction has 75357 states and 115277 transitions. [2022-10-15 21:56:16,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 75357 states and 115277 transitions. [2022-10-15 21:56:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 21:56:16,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:16,539 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:16,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 21:56:16,539 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:56:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:16,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1725601690, now seen corresponding path program 1 times [2022-10-15 21:56:16,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:16,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324757081] [2022-10-15 21:56:16,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:16,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:16,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324757081] [2022-10-15 21:56:16,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324757081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:16,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:16,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:16,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313147592] [2022-10-15 21:56:16,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:16,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:16,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:16,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:16,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:16,656 INFO L87 Difference]: Start difference. First operand 75357 states and 115277 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)