/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:05:21,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:05:21,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:05:21,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:05:21,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:05:21,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:05:21,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:05:21,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:05:21,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:05:21,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:05:21,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:05:21,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:05:21,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:05:21,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:05:21,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:05:21,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:05:21,803 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:05:21,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:05:21,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:05:21,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:05:21,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:05:21,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:05:21,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:05:21,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:05:21,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:05:21,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:05:21,807 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:05:21,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:05:21,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:05:21,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:05:21,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:05:21,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:05:21,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:05:21,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:05:21,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:21,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:05:21,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:05:21,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:05:21,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:05:21,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:05:21,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:05:21,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:05:22,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:05:22,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:05:22,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:05:22,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:05:22,239 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:05:22,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:05:22,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5549779/f72eb309c61a4894a21f160f18968e6a/FLAG8687f6a3a [2022-10-15 22:05:23,070 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:05:23,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:05:23,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5549779/f72eb309c61a4894a21f160f18968e6a/FLAG8687f6a3a [2022-10-15 22:05:23,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5549779/f72eb309c61a4894a21f160f18968e6a [2022-10-15 22:05:23,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:05:23,369 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:05:23,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:23,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:05:23,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:05:23,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:23" (1/1) ... [2022-10-15 22:05:23,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd784ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:23, skipping insertion in model container [2022-10-15 22:05:23,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:23" (1/1) ... [2022-10-15 22:05:23,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:05:23,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:05:23,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14419,14432] [2022-10-15 22:05:23,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:23,916 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:05:24,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14419,14432] [2022-10-15 22:05:24,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:24,115 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:05:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24 WrapperNode [2022-10-15 22:05:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:24,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:05:24,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:05:24,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,251 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1301 [2022-10-15 22:05:24,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:24,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:05:24,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:05:24,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:05:24,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:05:24,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:05:24,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:05:24,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:05:24,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (1/1) ... [2022-10-15 22:05:24,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:24,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:05:24,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:05:24,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:05:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:05:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:05:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:05:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:05:24,591 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:05:24,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:05:26,020 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:05:26,033 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:05:26,034 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:05:26,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:26 BoogieIcfgContainer [2022-10-15 22:05:26,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:05:26,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:05:26,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:05:26,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:05:26,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:05:23" (1/3) ... [2022-10-15 22:05:26,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3401c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:26, skipping insertion in model container [2022-10-15 22:05:26,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:24" (2/3) ... [2022-10-15 22:05:26,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3401c602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:26, skipping insertion in model container [2022-10-15 22:05:26,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:26" (3/3) ... [2022-10-15 22:05:26,047 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:05:26,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:05:26,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-15 22:05:26,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:05:26,151 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;@39569b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:05:26,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-15 22:05:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 547 states, 426 states have (on average 1.8474178403755868) internal successors, (787), 546 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:05:26,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:26,171 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] [2022-10-15 22:05:26,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:26,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:26,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1869565898, now seen corresponding path program 1 times [2022-10-15 22:05:26,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:26,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193458041] [2022-10-15 22:05:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:26,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:26,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193458041] [2022-10-15 22:05:26,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193458041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:26,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:26,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:26,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84222166] [2022-10-15 22:05:26,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:26,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:26,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:26,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:26,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:26,830 INFO L87 Difference]: Start difference. First operand has 547 states, 426 states have (on average 1.8474178403755868) internal successors, (787), 546 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:27,267 INFO L93 Difference]: Finished difference Result 764 states and 1102 transitions. [2022-10-15 22:05:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:27,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:05:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:27,301 INFO L225 Difference]: With dead ends: 764 [2022-10-15 22:05:27,302 INFO L226 Difference]: Without dead ends: 726 [2022-10-15 22:05:27,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:27,312 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 696 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:27,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 824 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-10-15 22:05:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 688. [2022-10-15 22:05:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 592 states have (on average 1.6013513513513513) internal successors, (948), 687 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 948 transitions. [2022-10-15 22:05:27,483 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 948 transitions. Word has length 58 [2022-10-15 22:05:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:27,484 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 948 transitions. [2022-10-15 22:05:27,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 948 transitions. [2022-10-15 22:05:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:05:27,490 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:27,492 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 22:05:27,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:05:27,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:27,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:27,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2121967741, now seen corresponding path program 1 times [2022-10-15 22:05:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:27,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559001394] [2022-10-15 22:05:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:27,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:27,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:27,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559001394] [2022-10-15 22:05:27,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559001394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:27,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:27,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:27,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267453243] [2022-10-15 22:05:27,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:27,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:27,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:27,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:27,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:27,759 INFO L87 Difference]: Start difference. First operand 688 states and 948 transitions. Second operand has 3 states, 2 states have (on average 29.5) 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 22:05:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:28,025 INFO L93 Difference]: Finished difference Result 731 states and 948 transitions. [2022-10-15 22:05:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:28,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) 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 22:05:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:28,031 INFO L225 Difference]: With dead ends: 731 [2022-10-15 22:05:28,031 INFO L226 Difference]: Without dead ends: 720 [2022-10-15 22:05:28,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:28,038 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 586 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:28,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 736 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:28,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-10-15 22:05:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 682. [2022-10-15 22:05:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 592 states have (on average 1.5827702702702702) internal successors, (937), 681 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 937 transitions. [2022-10-15 22:05:28,083 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 937 transitions. Word has length 59 [2022-10-15 22:05:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:28,085 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 937 transitions. [2022-10-15 22:05:28,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) 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 22:05:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 937 transitions. [2022-10-15 22:05:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:05:28,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:28,091 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 22:05:28,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:05:28,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:28,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1356490280, now seen corresponding path program 1 times [2022-10-15 22:05:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449359560] [2022-10-15 22:05:28,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:28,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:28,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:28,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449359560] [2022-10-15 22:05:28,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449359560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:28,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:28,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:28,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151464079] [2022-10-15 22:05:28,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:28,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:28,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:28,327 INFO L87 Difference]: Start difference. First operand 682 states and 937 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 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 22:05:28,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:28,570 INFO L93 Difference]: Finished difference Result 850 states and 1202 transitions. [2022-10-15 22:05:28,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:28,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 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 22:05:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:28,580 INFO L225 Difference]: With dead ends: 850 [2022-10-15 22:05:28,580 INFO L226 Difference]: Without dead ends: 839 [2022-10-15 22:05:28,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:28,590 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 580 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:28,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 638 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:28,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2022-10-15 22:05:28,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 837. [2022-10-15 22:05:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 756 states have (on average 1.57010582010582) internal successors, (1187), 836 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1187 transitions. [2022-10-15 22:05:28,645 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1187 transitions. Word has length 60 [2022-10-15 22:05:28,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:28,646 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1187 transitions. [2022-10-15 22:05:28,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 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 22:05:28,647 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1187 transitions. [2022-10-15 22:05:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:05:28,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:28,650 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 22:05:28,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:05:28,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:28,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash 898474533, now seen corresponding path program 1 times [2022-10-15 22:05:28,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:28,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140229841] [2022-10-15 22:05:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:28,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:28,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140229841] [2022-10-15 22:05:28,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140229841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:28,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:28,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:28,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47055666] [2022-10-15 22:05:28,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:28,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:28,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:28,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:28,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:28,787 INFO L87 Difference]: Start difference. First operand 837 states and 1187 transitions. Second operand has 3 states, 2 states have (on average 30.5) 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 22:05:29,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:29,066 INFO L93 Difference]: Finished difference Result 1168 states and 1687 transitions. [2022-10-15 22:05:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) 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 22:05:29,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:29,073 INFO L225 Difference]: With dead ends: 1168 [2022-10-15 22:05:29,073 INFO L226 Difference]: Without dead ends: 1157 [2022-10-15 22:05:29,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:29,076 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 567 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:29,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 672 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:29,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-10-15 22:05:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1131. [2022-10-15 22:05:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1056 states have (on average 1.5823863636363635) internal successors, (1671), 1130 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1671 transitions. [2022-10-15 22:05:29,171 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1671 transitions. Word has length 61 [2022-10-15 22:05:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:29,172 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1671 transitions. [2022-10-15 22:05:29,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) 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 22:05:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1671 transitions. [2022-10-15 22:05:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:05:29,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:29,173 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 22:05:29,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:05:29,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:29,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash 145607911, now seen corresponding path program 1 times [2022-10-15 22:05:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:29,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267451607] [2022-10-15 22:05:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:29,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:29,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267451607] [2022-10-15 22:05:29,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267451607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:29,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:29,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:29,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929369307] [2022-10-15 22:05:29,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:29,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:29,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:29,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:29,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:29,305 INFO L87 Difference]: Start difference. First operand 1131 states and 1671 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 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 22:05:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:29,642 INFO L93 Difference]: Finished difference Result 1554 states and 2307 transitions. [2022-10-15 22:05:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:29,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 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 22:05:29,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:29,652 INFO L225 Difference]: With dead ends: 1554 [2022-10-15 22:05:29,652 INFO L226 Difference]: Without dead ends: 1551 [2022-10-15 22:05:29,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:29,654 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 833 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:29,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1051 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-10-15 22:05:29,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1128. [2022-10-15 22:05:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1056 states have (on average 1.5795454545454546) internal successors, (1668), 1127 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1668 transitions. [2022-10-15 22:05:29,745 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1668 transitions. Word has length 63 [2022-10-15 22:05:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:29,745 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1668 transitions. [2022-10-15 22:05:29,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 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 22:05:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1668 transitions. [2022-10-15 22:05:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:05:29,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:29,747 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 22:05:29,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:05:29,747 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash 218878205, now seen corresponding path program 1 times [2022-10-15 22:05:29,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:29,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271946758] [2022-10-15 22:05:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:29,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:29,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:29,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271946758] [2022-10-15 22:05:29,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271946758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:29,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:29,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:29,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951762279] [2022-10-15 22:05:29,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:29,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:29,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:29,880 INFO L87 Difference]: Start difference. First operand 1128 states and 1668 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 22:05:30,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:30,280 INFO L93 Difference]: Finished difference Result 1549 states and 2304 transitions. [2022-10-15 22:05:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:30,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 22:05:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:30,288 INFO L225 Difference]: With dead ends: 1549 [2022-10-15 22:05:30,289 INFO L226 Difference]: Without dead ends: 1544 [2022-10-15 22:05:30,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:30,291 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 1388 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:30,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 781 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:30,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2022-10-15 22:05:30,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1500. [2022-10-15 22:05:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1431 states have (on average 1.5988819007686932) internal successors, (2288), 1499 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2288 transitions. [2022-10-15 22:05:30,422 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2288 transitions. Word has length 64 [2022-10-15 22:05:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:30,423 INFO L495 AbstractCegarLoop]: Abstraction has 1500 states and 2288 transitions. [2022-10-15 22:05:30,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 22:05:30,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2288 transitions. [2022-10-15 22:05:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:05:30,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:30,424 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 22:05:30,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:05:30,425 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:30,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash -111434081, now seen corresponding path program 1 times [2022-10-15 22:05:30,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:30,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019968950] [2022-10-15 22:05:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:30,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:30,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:30,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019968950] [2022-10-15 22:05:30,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019968950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:30,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:30,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:30,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681115252] [2022-10-15 22:05:30,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:30,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:30,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:30,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:30,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:30,530 INFO L87 Difference]: Start difference. First operand 1500 states and 2288 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:05:30,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:30,940 INFO L93 Difference]: Finished difference Result 2250 states and 3472 transitions. [2022-10-15 22:05:30,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:30,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:05:30,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:30,953 INFO L225 Difference]: With dead ends: 2250 [2022-10-15 22:05:30,953 INFO L226 Difference]: Without dead ends: 2247 [2022-10-15 22:05:30,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:30,956 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 833 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:30,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1022 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-10-15 22:05:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1497. [2022-10-15 22:05:31,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1431 states have (on average 1.596785464709993) internal successors, (2285), 1496 states have internal predecessors, (2285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2285 transitions. [2022-10-15 22:05:31,096 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2285 transitions. Word has length 66 [2022-10-15 22:05:31,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:31,096 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 2285 transitions. [2022-10-15 22:05:31,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 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 22:05:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2285 transitions. [2022-10-15 22:05:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:05:31,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:31,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:31,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:05:31,098 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:31,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:31,099 INFO L85 PathProgramCache]: Analyzing trace with hash 840511052, now seen corresponding path program 1 times [2022-10-15 22:05:31,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:31,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157678223] [2022-10-15 22:05:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:31,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:31,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157678223] [2022-10-15 22:05:31,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157678223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:31,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:31,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886781065] [2022-10-15 22:05:31,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:31,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:31,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:31,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:31,224 INFO L87 Difference]: Start difference. First operand 1497 states and 2285 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:31,686 INFO L93 Difference]: Finished difference Result 2245 states and 3469 transitions. [2022-10-15 22:05:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-15 22:05:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:31,699 INFO L225 Difference]: With dead ends: 2245 [2022-10-15 22:05:31,699 INFO L226 Difference]: Without dead ends: 2240 [2022-10-15 22:05:31,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:31,702 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 1349 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:31,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 761 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2022-10-15 22:05:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2192. [2022-10-15 22:05:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2192 states, 2129 states have (on average 1.617191169563175) internal successors, (3443), 2191 states have internal predecessors, (3443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 3443 transitions. [2022-10-15 22:05:31,929 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 3443 transitions. Word has length 67 [2022-10-15 22:05:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:31,930 INFO L495 AbstractCegarLoop]: Abstraction has 2192 states and 3443 transitions. [2022-10-15 22:05:31,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 3443 transitions. [2022-10-15 22:05:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:05:31,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:31,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:31,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:05:31,932 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:31,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:31,932 INFO L85 PathProgramCache]: Analyzing trace with hash 277277966, now seen corresponding path program 1 times [2022-10-15 22:05:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:31,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694481365] [2022-10-15 22:05:31,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:31,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:32,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:32,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694481365] [2022-10-15 22:05:32,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694481365] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:32,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:32,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:32,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028480924] [2022-10-15 22:05:32,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:32,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:32,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:32,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:32,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:32,029 INFO L87 Difference]: Start difference. First operand 2192 states and 3443 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:32,548 INFO L93 Difference]: Finished difference Result 3795 states and 6054 transitions. [2022-10-15 22:05:32,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:32,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 22:05:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:32,569 INFO L225 Difference]: With dead ends: 3795 [2022-10-15 22:05:32,570 INFO L226 Difference]: Without dead ends: 3792 [2022-10-15 22:05:32,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:32,576 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 833 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:32,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1080 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:32,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3792 states. [2022-10-15 22:05:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3792 to 2189. [2022-10-15 22:05:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 2129 states have (on average 1.6157820573038986) internal successors, (3440), 2188 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3440 transitions. [2022-10-15 22:05:32,838 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3440 transitions. Word has length 69 [2022-10-15 22:05:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:32,838 INFO L495 AbstractCegarLoop]: Abstraction has 2189 states and 3440 transitions. [2022-10-15 22:05:32,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3440 transitions. [2022-10-15 22:05:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:05:32,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:32,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:32,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:05:32,840 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:32,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:32,840 INFO L85 PathProgramCache]: Analyzing trace with hash 5682628, now seen corresponding path program 1 times [2022-10-15 22:05:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:32,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449445681] [2022-10-15 22:05:32,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:32,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:32,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:32,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449445681] [2022-10-15 22:05:32,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449445681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:32,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:32,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:32,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794169117] [2022-10-15 22:05:32,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:32,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:32,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:32,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:32,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:32,957 INFO L87 Difference]: Start difference. First operand 2189 states and 3440 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:33,551 INFO L93 Difference]: Finished difference Result 3979 states and 6359 transitions. [2022-10-15 22:05:33,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:33,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:05:33,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:33,573 INFO L225 Difference]: With dead ends: 3979 [2022-10-15 22:05:33,573 INFO L226 Difference]: Without dead ends: 3974 [2022-10-15 22:05:33,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:33,577 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 1323 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:33,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 837 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2022-10-15 22:05:33,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 3915. [2022-10-15 22:05:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3915 states, 3858 states have (on average 1.6345256609642302) internal successors, (6306), 3914 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 3915 states and 6306 transitions. [2022-10-15 22:05:33,991 INFO L78 Accepts]: Start accepts. Automaton has 3915 states and 6306 transitions. Word has length 70 [2022-10-15 22:05:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:33,992 INFO L495 AbstractCegarLoop]: Abstraction has 3915 states and 6306 transitions. [2022-10-15 22:05:33,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3915 states and 6306 transitions. [2022-10-15 22:05:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:05:33,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:33,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:33,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:05:33,994 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:33,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1205667598, now seen corresponding path program 1 times [2022-10-15 22:05:33,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:33,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694263297] [2022-10-15 22:05:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:34,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:34,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694263297] [2022-10-15 22:05:34,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694263297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:34,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:34,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:34,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974312409] [2022-10-15 22:05:34,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:34,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:34,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:34,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:34,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:34,113 INFO L87 Difference]: Start difference. First operand 3915 states and 6306 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:35,241 INFO L93 Difference]: Finished difference Result 9275 states and 15118 transitions. [2022-10-15 22:05:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:05:35,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 22:05:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:35,289 INFO L225 Difference]: With dead ends: 9275 [2022-10-15 22:05:35,289 INFO L226 Difference]: Without dead ends: 9268 [2022-10-15 22:05:35,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:35,294 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 1056 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:35,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1806 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:35,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9268 states. [2022-10-15 22:05:35,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9268 to 6550. [2022-10-15 22:05:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 6496 states have (on average 1.6430110837438423) internal successors, (10673), 6549 states have internal predecessors, (10673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 10673 transitions. [2022-10-15 22:05:36,038 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 10673 transitions. Word has length 80 [2022-10-15 22:05:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:36,038 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 10673 transitions. [2022-10-15 22:05:36,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 10673 transitions. [2022-10-15 22:05:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:05:36,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:36,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:36,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:05:36,040 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:36,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1279010431, now seen corresponding path program 1 times [2022-10-15 22:05:36,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:36,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829941888] [2022-10-15 22:05:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:36,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:36,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829941888] [2022-10-15 22:05:36,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829941888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:36,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:36,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:36,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36062076] [2022-10-15 22:05:36,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:36,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:36,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:36,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:36,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:36,146 INFO L87 Difference]: Start difference. First operand 6550 states and 10673 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:37,364 INFO L93 Difference]: Finished difference Result 9832 states and 16057 transitions. [2022-10-15 22:05:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:05:37,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:05:37,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:37,394 INFO L225 Difference]: With dead ends: 9832 [2022-10-15 22:05:37,394 INFO L226 Difference]: Without dead ends: 9825 [2022-10-15 22:05:37,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:37,400 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 1304 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:37,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 893 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:05:37,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9825 states. [2022-10-15 22:05:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9825 to 9789. [2022-10-15 22:05:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9789 states, 9738 states have (on average 1.6399671390429247) internal successors, (15970), 9788 states have internal predecessors, (15970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9789 states to 9789 states and 15970 transitions. [2022-10-15 22:05:38,634 INFO L78 Accepts]: Start accepts. Automaton has 9789 states and 15970 transitions. Word has length 81 [2022-10-15 22:05:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:38,634 INFO L495 AbstractCegarLoop]: Abstraction has 9789 states and 15970 transitions. [2022-10-15 22:05:38,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 9789 states and 15970 transitions. [2022-10-15 22:05:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:05:38,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:38,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:38,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:05:38,637 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:38,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:38,638 INFO L85 PathProgramCache]: Analyzing trace with hash 994618004, now seen corresponding path program 1 times [2022-10-15 22:05:38,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:38,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814416468] [2022-10-15 22:05:38,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:38,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:38,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:38,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814416468] [2022-10-15 22:05:38,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814416468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:38,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:38,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:05:38,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331407541] [2022-10-15 22:05:38,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:38,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:38,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:38,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:38,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:38,777 INFO L87 Difference]: Start difference. First operand 9789 states and 15970 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:42,423 INFO L93 Difference]: Finished difference Result 33083 states and 54221 transitions. [2022-10-15 22:05:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:05:42,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-15 22:05:42,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:42,533 INFO L225 Difference]: With dead ends: 33083 [2022-10-15 22:05:42,533 INFO L226 Difference]: Without dead ends: 23924 [2022-10-15 22:05:42,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:05:42,576 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 1756 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:42,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 3084 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:05:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23924 states. [2022-10-15 22:05:44,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23924 to 18578. [2022-10-15 22:05:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18578 states, 18530 states have (on average 1.636697247706422) internal successors, (30328), 18577 states have internal predecessors, (30328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18578 states to 18578 states and 30328 transitions. [2022-10-15 22:05:44,973 INFO L78 Accepts]: Start accepts. Automaton has 18578 states and 30328 transitions. Word has length 82 [2022-10-15 22:05:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:44,973 INFO L495 AbstractCegarLoop]: Abstraction has 18578 states and 30328 transitions. [2022-10-15 22:05:44,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 18578 states and 30328 transitions. [2022-10-15 22:05:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:05:44,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:44,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:44,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:05:44,980 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 768387361, now seen corresponding path program 1 times [2022-10-15 22:05:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:44,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289680630] [2022-10-15 22:05:44,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:45,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:45,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289680630] [2022-10-15 22:05:45,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289680630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:45,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:45,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:05:45,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280433230] [2022-10-15 22:05:45,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:45,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:05:45,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:45,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:05:45,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:05:45,166 INFO L87 Difference]: Start difference. First operand 18578 states and 30328 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:48,103 INFO L93 Difference]: Finished difference Result 25005 states and 40816 transitions. [2022-10-15 22:05:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:05:48,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-15 22:05:48,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:48,172 INFO L225 Difference]: With dead ends: 25005 [2022-10-15 22:05:48,172 INFO L226 Difference]: Without dead ends: 24998 [2022-10-15 22:05:48,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:05:48,182 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 2479 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:48,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 1331 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24998 states. [2022-10-15 22:05:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24998 to 24911. [2022-10-15 22:05:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24911 states, 24866 states have (on average 1.6317059438590846) internal successors, (40574), 24910 states have internal predecessors, (40574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24911 states to 24911 states and 40574 transitions. [2022-10-15 22:05:51,296 INFO L78 Accepts]: Start accepts. Automaton has 24911 states and 40574 transitions. Word has length 83 [2022-10-15 22:05:51,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:51,297 INFO L495 AbstractCegarLoop]: Abstraction has 24911 states and 40574 transitions. [2022-10-15 22:05:51,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24911 states and 40574 transitions. [2022-10-15 22:05:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-15 22:05:51,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:51,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:51,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:51,300 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:05:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:51,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1837943707, now seen corresponding path program 1 times [2022-10-15 22:05:51,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:51,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676777608] [2022-10-15 22:05:51,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:51,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:51,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676777608] [2022-10-15 22:05:51,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676777608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:51,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:51,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:51,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866337976] [2022-10-15 22:05:51,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:51,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:51,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:51,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:51,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,485 INFO L87 Difference]: Start difference. First operand 24911 states and 40574 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:57,233 INFO L93 Difference]: Finished difference Result 73265 states and 119546 transitions. [2022-10-15 22:05:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:57,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-10-15 22:05:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:57,375 INFO L225 Difference]: With dead ends: 73265 [2022-10-15 22:05:57,375 INFO L226 Difference]: Without dead ends: 48849 [2022-10-15 22:05:57,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:57,432 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 370 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:57,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1031 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48849 states. [2022-10-15 22:06:03,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48849 to 48705. [2022-10-15 22:06:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48705 states, 48660 states have (on average 1.6321208384710235) internal successors, (79419), 48704 states have internal predecessors, (79419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48705 states to 48705 states and 79419 transitions. [2022-10-15 22:06:03,769 INFO L78 Accepts]: Start accepts. Automaton has 48705 states and 79419 transitions. Word has length 208 [2022-10-15 22:06:03,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:03,772 INFO L495 AbstractCegarLoop]: Abstraction has 48705 states and 79419 transitions. [2022-10-15 22:06:03,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48705 states and 79419 transitions. [2022-10-15 22:06:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-15 22:06:03,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:03,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:03,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:06:03,786 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:06:03,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:03,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1837444948, now seen corresponding path program 1 times [2022-10-15 22:06:03,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:03,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238802000] [2022-10-15 22:06:03,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:03,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:04,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:04,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238802000] [2022-10-15 22:06:04,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238802000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:04,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:04,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:04,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078640008] [2022-10-15 22:06:04,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:04,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:04,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:04,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:04,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:04,095 INFO L87 Difference]: Start difference. First operand 48705 states and 79419 transitions. Second operand has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 4 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:10,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:10,888 INFO L93 Difference]: Finished difference Result 63219 states and 103222 transitions. [2022-10-15 22:06:10,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:10,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 4 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-10-15 22:06:10,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:11,071 INFO L225 Difference]: With dead ends: 63219 [2022-10-15 22:06:11,071 INFO L226 Difference]: Without dead ends: 63214 [2022-10-15 22:06:11,099 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 22:06:11,111 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 634 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:11,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1432 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:06:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63214 states.