/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.5.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:57:05,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:57:05,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:57:05,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:57:05,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:57:05,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:57:05,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:57:05,486 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 21:57:05,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:57:05,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:57:05,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:57:05,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:57:05,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:57:05,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:57:05,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:57:05,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:57:05,553 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:57:05,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:57:05,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:57:05,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:57:05,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:57:05,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:57:05,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:57:05,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:57:05,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:57:05,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:57:05,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:57:05,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:57:05,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:57:05,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:57:05,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:57:05,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:57:05,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:57:05,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:57:05,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:05,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:57:05,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:57:05,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:57:05,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:57:05,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:57:05,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:57:05,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:57:05,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:57:05,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:57:05,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:57:05,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:57:05,973 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:57:05,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:06,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a602c600a/57821ff3b5a448f8a86d95be65986a7b/FLAG009c98d44 [2022-10-15 21:57:06,824 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:57:06,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:06,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a602c600a/57821ff3b5a448f8a86d95be65986a7b/FLAG009c98d44 [2022-10-15 21:57:07,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a602c600a/57821ff3b5a448f8a86d95be65986a7b [2022-10-15 21:57:07,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:57:07,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:57:07,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:07,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:57:07,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:57:07,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f27b5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07, skipping insertion in model container [2022-10-15 21:57:07,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:57:07,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:57:07,449 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.5.ufo.UNBOUNDED.pals.c[11261,11274] [2022-10-15 21:57:07,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:07,476 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:57:07,532 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.5.ufo.UNBOUNDED.pals.c[11261,11274] [2022-10-15 21:57:07,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:07,552 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:57:07,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07 WrapperNode [2022-10-15 21:57:07,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:07,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:07,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:57:07,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:57:07,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,624 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 357 [2022-10-15 21:57:07,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:07,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:57:07,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:57:07,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:57:07,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:57:07,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:57:07,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:57:07,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:57:07,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (1/1) ... [2022-10-15 21:57:07,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:57:07,718 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 21:57:07,742 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 21:57:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:57:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:57:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:57:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:57:07,896 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:57:07,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:57:08,673 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:57:08,685 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:57:08,685 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:57:08,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:08 BoogieIcfgContainer [2022-10-15 21:57:08,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:57:08,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:57:08,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:57:08,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:57:08,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:57:07" (1/3) ... [2022-10-15 21:57:08,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2574c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:08, skipping insertion in model container [2022-10-15 21:57:08,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:07" (2/3) ... [2022-10-15 21:57:08,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2574c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:08, skipping insertion in model container [2022-10-15 21:57:08,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:08" (3/3) ... [2022-10-15 21:57:08,700 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:08,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:57:08,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-15 21:57:08,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:57:08,823 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;@632df80b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:57:08,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-15 21:57:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 118 states have (on average 1.7796610169491525) internal successors, (210), 144 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:57:08,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:08,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:08,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1114009211, now seen corresponding path program 1 times [2022-10-15 21:57:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:08,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775520513] [2022-10-15 21:57:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:09,101 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 21:57:09,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:09,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775520513] [2022-10-15 21:57:09,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775520513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:09,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:09,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:57:09,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281232766] [2022-10-15 21:57:09,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:09,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:57:09,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:09,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:57:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:57:09,153 INFO L87 Difference]: Start difference. First operand has 145 states, 118 states have (on average 1.7796610169491525) internal successors, (210), 144 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 21:57:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:09,188 INFO L93 Difference]: Finished difference Result 248 states and 349 transitions. [2022-10-15 21:57:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:57:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-15 21:57:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:09,208 INFO L225 Difference]: With dead ends: 248 [2022-10-15 21:57:09,209 INFO L226 Difference]: Without dead ends: 138 [2022-10-15 21:57:09,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 21:57:09,220 INFO L413 NwaCegarLoop]: 201 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, 201 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 21:57:09,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:09,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-15 21:57:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-10-15 21:57:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 114 states have (on average 1.7543859649122806) internal successors, (200), 137 states have internal predecessors, (200), 0 states have call successors, (0), 0 states 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 21:57:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 200 transitions. [2022-10-15 21:57:09,312 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 200 transitions. Word has length 11 [2022-10-15 21:57:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:09,313 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 200 transitions. [2022-10-15 21:57:09,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 21:57:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 200 transitions. [2022-10-15 21:57:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 21:57:09,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:09,317 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] [2022-10-15 21:57:09,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:57:09,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:09,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 380276760, now seen corresponding path program 1 times [2022-10-15 21:57:09,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:09,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686150473] [2022-10-15 21:57:09,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:09,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:09,729 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 21:57:09,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:09,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686150473] [2022-10-15 21:57:09,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686150473] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:09,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:09,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962511035] [2022-10-15 21:57:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:09,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:09,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:09,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:09,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:09,735 INFO L87 Difference]: Start difference. First operand 138 states and 200 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states 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 21:57:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:09,839 INFO L93 Difference]: Finished difference Result 243 states and 336 transitions. [2022-10-15 21:57:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:09,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-15 21:57:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:09,842 INFO L225 Difference]: With dead ends: 243 [2022-10-15 21:57:09,842 INFO L226 Difference]: Without dead ends: 138 [2022-10-15 21:57:09,843 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 21:57:09,845 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 3 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:09,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 758 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-15 21:57:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-10-15 21:57:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 137 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 21:57:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 169 transitions. [2022-10-15 21:57:09,858 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 169 transitions. Word has length 29 [2022-10-15 21:57:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:09,859 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 169 transitions. [2022-10-15 21:57:09,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states 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 21:57:09,859 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 169 transitions. [2022-10-15 21:57:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 21:57:09,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:09,862 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] [2022-10-15 21:57:09,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:57:09,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:09,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:09,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1255976015, now seen corresponding path program 1 times [2022-10-15 21:57:09,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:09,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230252755] [2022-10-15 21:57:09,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:09,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:10,005 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 21:57:10,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:10,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230252755] [2022-10-15 21:57:10,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230252755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:10,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:10,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:10,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755544500] [2022-10-15 21:57:10,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:10,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:10,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:10,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:10,028 INFO L87 Difference]: Start difference. First operand 138 states and 169 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 21:57:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:10,069 INFO L93 Difference]: Finished difference Result 334 states and 423 transitions. [2022-10-15 21:57:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:10,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 21:57:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:10,072 INFO L225 Difference]: With dead ends: 334 [2022-10-15 21:57:10,073 INFO L226 Difference]: Without dead ends: 233 [2022-10-15 21:57:10,074 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 21:57:10,076 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 106 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 377 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 21:57:10,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 377 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-10-15 21:57:10,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 209. [2022-10-15 21:57:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 185 states have (on average 1.5675675675675675) internal successors, (290), 208 states have internal predecessors, (290), 0 states have call successors, (0), 0 states 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 21:57:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 290 transitions. [2022-10-15 21:57:10,109 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 290 transitions. Word has length 59 [2022-10-15 21:57:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:10,110 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 290 transitions. [2022-10-15 21:57:10,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 21:57:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 290 transitions. [2022-10-15 21:57:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 21:57:10,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:10,115 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] [2022-10-15 21:57:10,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:57:10,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:10,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:10,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1274663621, now seen corresponding path program 1 times [2022-10-15 21:57:10,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:10,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279170439] [2022-10-15 21:57:10,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:10,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:10,398 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 21:57:10,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:10,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279170439] [2022-10-15 21:57:10,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279170439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:10,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:10,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:10,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987157075] [2022-10-15 21:57:10,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:10,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:10,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:10,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:10,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:10,408 INFO L87 Difference]: Start difference. First operand 209 states and 290 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 21:57:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:10,728 INFO L93 Difference]: Finished difference Result 550 states and 796 transitions. [2022-10-15 21:57:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:10,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 21:57:10,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:10,736 INFO L225 Difference]: With dead ends: 550 [2022-10-15 21:57:10,737 INFO L226 Difference]: Without dead ends: 547 [2022-10-15 21:57:10,740 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 21:57:10,746 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 394 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:10,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 287 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:10,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-10-15 21:57:10,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 357. [2022-10-15 21:57:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 333 states have (on average 1.6126126126126126) internal successors, (537), 356 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 21:57:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 537 transitions. [2022-10-15 21:57:10,803 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 537 transitions. Word has length 59 [2022-10-15 21:57:10,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:10,804 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 537 transitions. [2022-10-15 21:57:10,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 21:57:10,806 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 537 transitions. [2022-10-15 21:57:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 21:57:10,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:10,810 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] [2022-10-15 21:57:10,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:57:10,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:10,814 INFO L85 PathProgramCache]: Analyzing trace with hash 859867003, now seen corresponding path program 1 times [2022-10-15 21:57:10,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:10,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644332294] [2022-10-15 21:57:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:10,989 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 21:57:10,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:10,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644332294] [2022-10-15 21:57:10,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644332294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:10,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:10,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887373247] [2022-10-15 21:57:10,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:10,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:10,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:10,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:10,994 INFO L87 Difference]: Start difference. First operand 357 states and 537 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 21:57:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:11,175 INFO L93 Difference]: Finished difference Result 526 states and 790 transitions. [2022-10-15 21:57:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:57:11,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 21:57:11,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:11,180 INFO L225 Difference]: With dead ends: 526 [2022-10-15 21:57:11,180 INFO L226 Difference]: Without dead ends: 523 [2022-10-15 21:57:11,182 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 21:57:11,187 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 393 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:11,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 198 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:57:11,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2022-10-15 21:57:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 505. [2022-10-15 21:57:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 481 states have (on average 1.6174636174636174) internal successors, (778), 504 states have internal predecessors, (778), 0 states have call successors, (0), 0 states 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 21:57:11,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 778 transitions. [2022-10-15 21:57:11,244 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 778 transitions. Word has length 60 [2022-10-15 21:57:11,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:11,246 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 778 transitions. [2022-10-15 21:57:11,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 21:57:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 778 transitions. [2022-10-15 21:57:11,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:57:11,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:11,251 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] [2022-10-15 21:57:11,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:57:11,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:11,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:11,252 INFO L85 PathProgramCache]: Analyzing trace with hash 886073735, now seen corresponding path program 1 times [2022-10-15 21:57:11,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:11,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311770579] [2022-10-15 21:57:11,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:11,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:11,410 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 21:57:11,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:11,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311770579] [2022-10-15 21:57:11,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311770579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:11,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:11,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:11,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138658503] [2022-10-15 21:57:11,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:11,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:11,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:11,416 INFO L87 Difference]: Start difference. First operand 505 states and 778 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:11,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:11,722 INFO L93 Difference]: Finished difference Result 855 states and 1266 transitions. [2022-10-15 21:57:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:57:11,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 21:57:11,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:11,733 INFO L225 Difference]: With dead ends: 855 [2022-10-15 21:57:11,733 INFO L226 Difference]: Without dead ends: 852 [2022-10-15 21:57:11,734 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 21:57:11,737 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 758 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:11,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 397 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-10-15 21:57:11,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 653. [2022-10-15 21:57:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 629 states have (on average 1.6104928457869634) internal successors, (1013), 652 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states 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 21:57:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1013 transitions. [2022-10-15 21:57:11,775 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1013 transitions. Word has length 61 [2022-10-15 21:57:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:11,775 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 1013 transitions. [2022-10-15 21:57:11,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1013 transitions. [2022-10-15 21:57:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:57:11,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:11,777 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] [2022-10-15 21:57:11,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:57:11,778 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1193761991, now seen corresponding path program 1 times [2022-10-15 21:57:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:11,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303253175] [2022-10-15 21:57:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:11,895 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 21:57:11,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:11,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303253175] [2022-10-15 21:57:11,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303253175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:11,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:11,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:11,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581951939] [2022-10-15 21:57:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:11,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:11,898 INFO L87 Difference]: Start difference. First operand 653 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:11,956 INFO L93 Difference]: Finished difference Result 1837 states and 2885 transitions. [2022-10-15 21:57:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:11,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 21:57:11,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:11,964 INFO L225 Difference]: With dead ends: 1837 [2022-10-15 21:57:11,964 INFO L226 Difference]: Without dead ends: 1221 [2022-10-15 21:57:11,966 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 21:57:11,967 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 118 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 404 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 21:57:11,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 404 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-10-15 21:57:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1197. [2022-10-15 21:57:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1173 states have (on average 1.6206308610400681) internal successors, (1901), 1196 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states 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 21:57:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1901 transitions. [2022-10-15 21:57:12,041 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1901 transitions. Word has length 61 [2022-10-15 21:57:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:12,042 INFO L495 AbstractCegarLoop]: Abstraction has 1197 states and 1901 transitions. [2022-10-15 21:57:12,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1901 transitions. [2022-10-15 21:57:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 21:57:12,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:12,043 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] [2022-10-15 21:57:12,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:57:12,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1698482429, now seen corresponding path program 1 times [2022-10-15 21:57:12,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:12,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488873] [2022-10-15 21:57:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:12,151 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 21:57:12,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:12,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488873] [2022-10-15 21:57:12,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:12,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:12,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:12,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524422858] [2022-10-15 21:57:12,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:12,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:12,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:12,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:12,154 INFO L87 Difference]: Start difference. First operand 1197 states and 1901 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:12,505 INFO L93 Difference]: Finished difference Result 1517 states and 2373 transitions. [2022-10-15 21:57:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:57:12,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 21:57:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:12,514 INFO L225 Difference]: With dead ends: 1517 [2022-10-15 21:57:12,514 INFO L226 Difference]: Without dead ends: 1514 [2022-10-15 21:57:12,515 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 21:57:12,516 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 660 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:12,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 347 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-10-15 21:57:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1481. [2022-10-15 21:57:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 1457 states have (on average 1.60398078242965) internal successors, (2337), 1480 states have internal predecessors, (2337), 0 states have call successors, (0), 0 states 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 21:57:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2337 transitions. [2022-10-15 21:57:12,605 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2337 transitions. Word has length 62 [2022-10-15 21:57:12,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:12,606 INFO L495 AbstractCegarLoop]: Abstraction has 1481 states and 2337 transitions. [2022-10-15 21:57:12,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2337 transitions. [2022-10-15 21:57:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:57:12,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:12,607 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] [2022-10-15 21:57:12,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:57:12,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:12,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:12,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1113348169, now seen corresponding path program 1 times [2022-10-15 21:57:12,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:12,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721103526] [2022-10-15 21:57:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:12,739 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 21:57:12,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:12,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721103526] [2022-10-15 21:57:12,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721103526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:12,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:12,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:12,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685028158] [2022-10-15 21:57:12,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:12,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:57:12,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:57:12,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:57:12,742 INFO L87 Difference]: Start difference. First operand 1481 states and 2337 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:13,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:13,227 INFO L93 Difference]: Finished difference Result 2390 states and 3705 transitions. [2022-10-15 21:57:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:57:13,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 21:57:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:13,241 INFO L225 Difference]: With dead ends: 2390 [2022-10-15 21:57:13,241 INFO L226 Difference]: Without dead ends: 2387 [2022-10-15 21:57:13,243 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 21:57:13,244 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 1181 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:13,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 589 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2022-10-15 21:57:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 1765. [2022-10-15 21:57:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1741 states have (on average 1.5858701895462377) internal successors, (2761), 1764 states have internal predecessors, (2761), 0 states have call successors, (0), 0 states 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 21:57:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2761 transitions. [2022-10-15 21:57:13,375 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2761 transitions. Word has length 63 [2022-10-15 21:57:13,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:13,376 INFO L495 AbstractCegarLoop]: Abstraction has 1765 states and 2761 transitions. [2022-10-15 21:57:13,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:13,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2761 transitions. [2022-10-15 21:57:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:57:13,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:13,377 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] [2022-10-15 21:57:13,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:57:13,377 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:13,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1469878181, now seen corresponding path program 1 times [2022-10-15 21:57:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:13,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905593299] [2022-10-15 21:57:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:13,439 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 21:57:13,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:13,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905593299] [2022-10-15 21:57:13,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905593299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:13,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:13,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:13,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449767256] [2022-10-15 21:57:13,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:13,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:13,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:13,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:13,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:13,442 INFO L87 Difference]: Start difference. First operand 1765 states and 2761 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:13,612 INFO L93 Difference]: Finished difference Result 5077 states and 7969 transitions. [2022-10-15 21:57:13,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:13,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 21:57:13,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:13,631 INFO L225 Difference]: With dead ends: 5077 [2022-10-15 21:57:13,632 INFO L226 Difference]: Without dead ends: 3349 [2022-10-15 21:57:13,635 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 21:57:13,636 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 114 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 403 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 21:57:13,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 403 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3349 states. [2022-10-15 21:57:13,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3349 to 3325. [2022-10-15 21:57:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3301 states have (on average 1.5816419266888821) internal successors, (5221), 3324 states have internal predecessors, (5221), 0 states have call successors, (0), 0 states 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 21:57:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 5221 transitions. [2022-10-15 21:57:13,887 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 5221 transitions. Word has length 63 [2022-10-15 21:57:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:13,887 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 5221 transitions. [2022-10-15 21:57:13,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 5221 transitions. [2022-10-15 21:57:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 21:57:13,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:13,896 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] [2022-10-15 21:57:13,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:57:13,896 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:13,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:13,897 INFO L85 PathProgramCache]: Analyzing trace with hash 154055295, now seen corresponding path program 1 times [2022-10-15 21:57:13,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:13,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39392932] [2022-10-15 21:57:13,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:13,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:14,045 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 21:57:14,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:14,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39392932] [2022-10-15 21:57:14,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39392932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:14,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:14,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:14,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643925875] [2022-10-15 21:57:14,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:14,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:57:14,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:14,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:57:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:57:14,048 INFO L87 Difference]: Start difference. First operand 3325 states and 5221 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:14,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:14,617 INFO L93 Difference]: Finished difference Result 4461 states and 6949 transitions. [2022-10-15 21:57:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:57:14,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 21:57:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:14,642 INFO L225 Difference]: With dead ends: 4461 [2022-10-15 21:57:14,643 INFO L226 Difference]: Without dead ends: 4458 [2022-10-15 21:57:14,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:57:14,649 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 1022 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:14,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 495 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2022-10-15 21:57:14,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4413. [2022-10-15 21:57:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 4389 states have (on average 1.5614035087719298) internal successors, (6853), 4412 states have internal predecessors, (6853), 0 states have call successors, (0), 0 states 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 21:57:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 6853 transitions. [2022-10-15 21:57:14,978 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 6853 transitions. Word has length 64 [2022-10-15 21:57:14,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:14,978 INFO L495 AbstractCegarLoop]: Abstraction has 4413 states and 6853 transitions. [2022-10-15 21:57:14,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 6853 transitions. [2022-10-15 21:57:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 21:57:14,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:14,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:14,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:57:14,980 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:14,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1739731194, now seen corresponding path program 1 times [2022-10-15 21:57:14,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:14,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095410353] [2022-10-15 21:57:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:14,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:15,049 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 21:57:15,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:15,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095410353] [2022-10-15 21:57:15,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095410353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:15,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:15,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:15,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948671567] [2022-10-15 21:57:15,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:15,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:15,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:15,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:15,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:15,052 INFO L87 Difference]: Start difference. First operand 4413 states and 6853 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:15,526 INFO L93 Difference]: Finished difference Result 12589 states and 19589 transitions. [2022-10-15 21:57:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:15,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 21:57:15,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:15,570 INFO L225 Difference]: With dead ends: 12589 [2022-10-15 21:57:15,570 INFO L226 Difference]: Without dead ends: 8213 [2022-10-15 21:57:15,578 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 21:57:15,580 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 118 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 410 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 21:57:15,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 410 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:15,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8213 states. [2022-10-15 21:57:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8213 to 8189. [2022-10-15 21:57:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8189 states, 8165 states have (on average 1.5565217391304347) internal successors, (12709), 8188 states have internal predecessors, (12709), 0 states have call successors, (0), 0 states 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 21:57:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8189 states to 8189 states and 12709 transitions. [2022-10-15 21:57:16,274 INFO L78 Accepts]: Start accepts. Automaton has 8189 states and 12709 transitions. Word has length 64 [2022-10-15 21:57:16,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:16,275 INFO L495 AbstractCegarLoop]: Abstraction has 8189 states and 12709 transitions. [2022-10-15 21:57:16,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8189 states and 12709 transitions. [2022-10-15 21:57:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:57:16,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:16,276 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] [2022-10-15 21:57:16,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:57:16,276 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:16,277 INFO L85 PathProgramCache]: Analyzing trace with hash 480747275, now seen corresponding path program 1 times [2022-10-15 21:57:16,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:16,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453997216] [2022-10-15 21:57:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:16,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:16,423 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 21:57:16,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:16,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453997216] [2022-10-15 21:57:16,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453997216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:16,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:16,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:57:16,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71334408] [2022-10-15 21:57:16,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:16,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:57:16,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:16,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:57:16,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:16,425 INFO L87 Difference]: Start difference. First operand 8189 states and 12709 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:18,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:18,426 INFO L93 Difference]: Finished difference Result 30661 states and 47845 transitions. [2022-10-15 21:57:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:57:18,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 21:57:18,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:18,501 INFO L225 Difference]: With dead ends: 30661 [2022-10-15 21:57:18,502 INFO L226 Difference]: Without dead ends: 22509 [2022-10-15 21:57:18,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:57:18,517 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 1731 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:18,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 958 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:57:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22509 states. [2022-10-15 21:57:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22509 to 16317. [2022-10-15 21:57:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16317 states, 16293 states have (on average 1.5185048793960596) internal successors, (24741), 16316 states have internal predecessors, (24741), 0 states have call successors, (0), 0 states 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 21:57:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16317 states to 16317 states and 24741 transitions. [2022-10-15 21:57:19,641 INFO L78 Accepts]: Start accepts. Automaton has 16317 states and 24741 transitions. Word has length 65 [2022-10-15 21:57:19,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:19,641 INFO L495 AbstractCegarLoop]: Abstraction has 16317 states and 24741 transitions. [2022-10-15 21:57:19,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 16317 states and 24741 transitions. [2022-10-15 21:57:19,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:57:19,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:19,643 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] [2022-10-15 21:57:19,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:57:19,644 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:19,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:19,645 INFO L85 PathProgramCache]: Analyzing trace with hash 217634173, now seen corresponding path program 1 times [2022-10-15 21:57:19,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:19,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788369689] [2022-10-15 21:57:19,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:19,708 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 21:57:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:19,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788369689] [2022-10-15 21:57:19,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788369689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:19,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:19,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520636863] [2022-10-15 21:57:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:19,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:19,711 INFO L87 Difference]: Start difference. First operand 16317 states and 24741 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:21,254 INFO L93 Difference]: Finished difference Result 47341 states and 71589 transitions. [2022-10-15 21:57:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:21,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 21:57:21,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:21,343 INFO L225 Difference]: With dead ends: 47341 [2022-10-15 21:57:21,344 INFO L226 Difference]: Without dead ends: 31061 [2022-10-15 21:57:21,371 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 21:57:21,372 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 110 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 411 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 21:57:21,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 411 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:21,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31061 states. [2022-10-15 21:57:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31061 to 31037. [2022-10-15 21:57:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31037 states, 31013 states have (on average 1.5035307774159223) internal successors, (46629), 31036 states have internal predecessors, (46629), 0 states have call successors, (0), 0 states 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 21:57:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31037 states to 31037 states and 46629 transitions. [2022-10-15 21:57:23,213 INFO L78 Accepts]: Start accepts. Automaton has 31037 states and 46629 transitions. Word has length 65 [2022-10-15 21:57:23,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:23,214 INFO L495 AbstractCegarLoop]: Abstraction has 31037 states and 46629 transitions. [2022-10-15 21:57:23,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 31037 states and 46629 transitions. [2022-10-15 21:57:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 21:57:23,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:23,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:23,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:57:23,215 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:23,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2018264065, now seen corresponding path program 1 times [2022-10-15 21:57:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:23,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674083543] [2022-10-15 21:57:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:23,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:23,345 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 21:57:23,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:23,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674083543] [2022-10-15 21:57:23,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674083543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:23,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:23,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:57:23,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641117227] [2022-10-15 21:57:23,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:23,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:57:23,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:23,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:57:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:23,348 INFO L87 Difference]: Start difference. First operand 31037 states and 46629 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:25,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:25,952 INFO L93 Difference]: Finished difference Result 44682 states and 67861 transitions. [2022-10-15 21:57:25,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 21:57:25,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 21:57:25,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:26,058 INFO L225 Difference]: With dead ends: 44682 [2022-10-15 21:57:26,058 INFO L226 Difference]: Without dead ends: 44679 [2022-10-15 21:57:26,075 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 21:57:26,076 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 2105 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:26,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 671 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:57:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44679 states. [2022-10-15 21:57:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44679 to 44589. [2022-10-15 21:57:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44589 states, 44565 states have (on average 1.488275552563671) internal successors, (66325), 44588 states have internal predecessors, (66325), 0 states have call successors, (0), 0 states 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 21:57:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44589 states to 44589 states and 66325 transitions. [2022-10-15 21:57:28,337 INFO L78 Accepts]: Start accepts. Automaton has 44589 states and 66325 transitions. Word has length 66 [2022-10-15 21:57:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:28,337 INFO L495 AbstractCegarLoop]: Abstraction has 44589 states and 66325 transitions. [2022-10-15 21:57:28,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 44589 states and 66325 transitions. [2022-10-15 21:57:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:57:28,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:28,341 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:28,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:57:28,342 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:28,342 INFO L85 PathProgramCache]: Analyzing trace with hash 111380892, now seen corresponding path program 1 times [2022-10-15 21:57:28,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:28,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938772713] [2022-10-15 21:57:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:28,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:28,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:28,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938772713] [2022-10-15 21:57:28,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938772713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:28,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:28,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109960155] [2022-10-15 21:57:28,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:28,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:28,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:28,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:28,448 INFO L87 Difference]: Start difference. First operand 44589 states and 66325 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:31,110 INFO L93 Difference]: Finished difference Result 105589 states and 156503 transitions. [2022-10-15 21:57:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:31,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 21:57:31,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:31,256 INFO L225 Difference]: With dead ends: 105589 [2022-10-15 21:57:31,257 INFO L226 Difference]: Without dead ends: 61037 [2022-10-15 21:57:31,531 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 21:57:31,532 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 71 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:31,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 290 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:31,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61037 states. [2022-10-15 21:57:34,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61037 to 60383. [2022-10-15 21:57:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60383 states, 60359 states have (on average 1.4715783893039978) internal successors, (88823), 60382 states have internal predecessors, (88823), 0 states have call successors, (0), 0 states 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 21:57:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60383 states to 60383 states and 88823 transitions. [2022-10-15 21:57:34,832 INFO L78 Accepts]: Start accepts. Automaton has 60383 states and 88823 transitions. Word has length 97 [2022-10-15 21:57:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:34,832 INFO L495 AbstractCegarLoop]: Abstraction has 60383 states and 88823 transitions. [2022-10-15 21:57:34,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 60383 states and 88823 transitions. [2022-10-15 21:57:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:57:34,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:34,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:34,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:57:34,837 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 249146860, now seen corresponding path program 1 times [2022-10-15 21:57:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:34,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486610084] [2022-10-15 21:57:34,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:35,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:35,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486610084] [2022-10-15 21:57:35,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486610084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:35,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:35,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:57:35,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92073042] [2022-10-15 21:57:35,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:35,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:57:35,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:35,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:57:35,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:35,432 INFO L87 Difference]: Start difference. First operand 60383 states and 88823 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 21:57:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:38,700 INFO L93 Difference]: Finished difference Result 120745 states and 177607 transitions. [2022-10-15 21:57:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:57:38,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 21:57:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:38,797 INFO L225 Difference]: With dead ends: 120745 [2022-10-15 21:57:38,798 INFO L226 Difference]: Without dead ends: 60401 [2022-10-15 21:57:38,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:57:38,839 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 643 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:38,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 460 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60401 states. [2022-10-15 21:57:42,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60401 to 60383. [2022-10-15 21:57:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60383 states, 60359 states have (on average 1.4654815354793818) internal successors, (88455), 60382 states have internal predecessors, (88455), 0 states have call successors, (0), 0 states 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 21:57:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60383 states to 60383 states and 88455 transitions. [2022-10-15 21:57:42,247 INFO L78 Accepts]: Start accepts. Automaton has 60383 states and 88455 transitions. Word has length 105 [2022-10-15 21:57:42,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:42,248 INFO L495 AbstractCegarLoop]: Abstraction has 60383 states and 88455 transitions. [2022-10-15 21:57:42,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 21:57:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 60383 states and 88455 transitions. [2022-10-15 21:57:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 21:57:42,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:42,252 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:42,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:57:42,252 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash -964625785, now seen corresponding path program 1 times [2022-10-15 21:57:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:42,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564165071] [2022-10-15 21:57:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:57:42,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564165071] [2022-10-15 21:57:42,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564165071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:42,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:42,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:42,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217638080] [2022-10-15 21:57:42,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:42,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:42,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:42,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:42,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:42,417 INFO L87 Difference]: Start difference. First operand 60383 states and 88455 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 21:57:45,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:45,831 INFO L93 Difference]: Finished difference Result 77843 states and 115095 transitions. [2022-10-15 21:57:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:57:45,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-15 21:57:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:45,931 INFO L225 Difference]: With dead ends: 77843 [2022-10-15 21:57:45,932 INFO L226 Difference]: Without dead ends: 77840 [2022-10-15 21:57:45,942 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 21:57:45,943 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 187 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:45,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 385 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:46,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77840 states. [2022-10-15 21:57:49,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77840 to 61455. [2022-10-15 21:57:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61455 states, 61431 states have (on average 1.4709023131643633) internal successors, (90359), 61454 states have internal predecessors, (90359), 0 states have call successors, (0), 0 states 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 21:57:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61455 states to 61455 states and 90359 transitions. [2022-10-15 21:57:49,401 INFO L78 Accepts]: Start accepts. Automaton has 61455 states and 90359 transitions. Word has length 106 [2022-10-15 21:57:49,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:49,402 INFO L495 AbstractCegarLoop]: Abstraction has 61455 states and 90359 transitions. [2022-10-15 21:57:49,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 21:57:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 61455 states and 90359 transitions. [2022-10-15 21:57:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 21:57:49,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:49,405 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:49,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:57:49,405 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash -313316311, now seen corresponding path program 1 times [2022-10-15 21:57:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:49,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276504857] [2022-10-15 21:57:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:57:49,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:49,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276504857] [2022-10-15 21:57:49,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276504857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:49,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:49,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:49,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718167224] [2022-10-15 21:57:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:49,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:49,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:49,588 INFO L87 Difference]: Start difference. First operand 61455 states and 90359 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 21:57:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:53,439 INFO L93 Difference]: Finished difference Result 77849 states and 113943 transitions. [2022-10-15 21:57:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:57:53,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 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 108 [2022-10-15 21:57:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:53,632 INFO L225 Difference]: With dead ends: 77849 [2022-10-15 21:57:53,633 INFO L226 Difference]: Without dead ends: 77846 [2022-10-15 21:57:53,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:57:53,647 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 445 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:53,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 478 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77846 states. [2022-10-15 21:57:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77846 to 69631. [2022-10-15 21:57:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69631 states, 69607 states have (on average 1.46478084100737) internal successors, (101959), 69630 states have internal predecessors, (101959), 0 states have call successors, (0), 0 states 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 21:57:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69631 states to 69631 states and 101959 transitions. [2022-10-15 21:57:57,496 INFO L78 Accepts]: Start accepts. Automaton has 69631 states and 101959 transitions. Word has length 108 [2022-10-15 21:57:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:57,497 INFO L495 AbstractCegarLoop]: Abstraction has 69631 states and 101959 transitions. [2022-10-15 21:57:57,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 21:57:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 69631 states and 101959 transitions. [2022-10-15 21:57:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 21:57:57,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:57,501 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:57,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:57:57,501 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 21:57:57,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash 707569865, now seen corresponding path program 1 times [2022-10-15 21:57:57,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:57,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910745020] [2022-10-15 21:57:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:57:57,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:57,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910745020] [2022-10-15 21:57:57,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910745020] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:57,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:57,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587097477] [2022-10-15 21:57:57,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:57,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:57,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:57,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:57,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:57,884 INFO L87 Difference]: Start difference. First operand 69631 states and 101959 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)