/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_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:16:39,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:16:39,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:16:39,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:16:39,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:16:39,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:16:39,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:16:39,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:16:39,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:16:39,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:16:39,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:16:39,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:16:39,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:16:39,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:16:39,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:16:39,693 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 22:16:39,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:16:39,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:16:39,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:16:39,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:16:39,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:16:39,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:16:39,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:16:39,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:16:39,726 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:16:39,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:16:39,726 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:16:39,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:16:39,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:16:39,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:16:39,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:16:39,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:16:39,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:16:39,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:16:39,728 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:16:39,728 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:16:39,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:16:39,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:16:39,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:16:39,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:16:39,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:16:39,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:16:39,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:39,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:16:39,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:16:39,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:16:39,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:16:39,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:16:39,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:16:39,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:16:40,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:16:40,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:16:40,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:16:40,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:16:40,158 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:16:40,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-15 22:16:40,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59a81551/3f28021a56474b86886d7546f2f56139/FLAG5f09a3955 [2022-10-15 22:16:40,907 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:16:40,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-15 22:16:40,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59a81551/3f28021a56474b86886d7546f2f56139/FLAG5f09a3955 [2022-10-15 22:16:41,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59a81551/3f28021a56474b86886d7546f2f56139 [2022-10-15 22:16:41,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:16:41,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:16:41,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:41,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:16:41,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:16:41,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47894a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41, skipping insertion in model container [2022-10-15 22:16:41,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:16:41,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:16:41,595 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_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[10276,10289] [2022-10-15 22:16:41,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:41,718 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:16:41,832 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_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[10276,10289] [2022-10-15 22:16:41,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:16:41,892 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:16:41,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41 WrapperNode [2022-10-15 22:16:41,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:16:41,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:41,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:16:41,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:16:41,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:41,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,015 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 911 [2022-10-15 22:16:42,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:16:42,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:16:42,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:16:42,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:16:42,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:16:42,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:16:42,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:16:42,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:16:42,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (1/1) ... [2022-10-15 22:16:42,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:16:42,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:16:42,190 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 22:16:42,224 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 22:16:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:16:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:16:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:16:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:16:42,502 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:16:42,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:16:43,688 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:16:43,702 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:16:43,702 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:16:43,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:43 BoogieIcfgContainer [2022-10-15 22:16:43,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:16:43,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:16:43,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:16:43,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:16:43,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:16:41" (1/3) ... [2022-10-15 22:16:43,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c12dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:43, skipping insertion in model container [2022-10-15 22:16:43,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:41" (2/3) ... [2022-10-15 22:16:43,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c12dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:16:43, skipping insertion in model container [2022-10-15 22:16:43,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:16:43" (3/3) ... [2022-10-15 22:16:43,719 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-15 22:16:43,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:16:43,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2022-10-15 22:16:43,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:16:43,840 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;@620e712a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:16:43,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-10-15 22:16:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 381 states, 296 states have (on average 1.7668918918918919) internal successors, (523), 380 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 22:16:43,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:43,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:43,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:43,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash -860079442, now seen corresponding path program 1 times [2022-10-15 22:16:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:43,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391615923] [2022-10-15 22:16:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:16:44,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:44,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391615923] [2022-10-15 22:16:44,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391615923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:44,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:44,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:44,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457664428] [2022-10-15 22:16:44,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:44,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:44,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:44,424 INFO L87 Difference]: Start difference. First operand has 381 states, 296 states have (on average 1.7668918918918919) internal successors, (523), 380 states have internal predecessors, (523), 0 states have call successors, (0), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:44,619 INFO L93 Difference]: Finished difference Result 733 states and 986 transitions. [2022-10-15 22:16:44,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:44,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-15 22:16:44,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:44,639 INFO L225 Difference]: With dead ends: 733 [2022-10-15 22:16:44,640 INFO L226 Difference]: Without dead ends: 376 [2022-10-15 22:16:44,646 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 22:16:44,650 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 156 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:44,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1347 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:16:44,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-15 22:16:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2022-10-15 22:16:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 294 states have (on average 1.6360544217687074) internal successors, (481), 375 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 481 transitions. [2022-10-15 22:16:44,743 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 481 transitions. Word has length 8 [2022-10-15 22:16:44,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:44,744 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 481 transitions. [2022-10-15 22:16:44,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 481 transitions. [2022-10-15 22:16:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:16:44,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:44,746 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] [2022-10-15 22:16:44,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:16:44,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:44,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:44,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1711284746, now seen corresponding path program 1 times [2022-10-15 22:16:44,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:44,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415220102] [2022-10-15 22:16:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:44,979 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 22:16:44,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:44,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415220102] [2022-10-15 22:16:44,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415220102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:44,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:44,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:44,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466667314] [2022-10-15 22:16:44,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:44,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:44,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:44,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:44,985 INFO L87 Difference]: Start difference. First operand 376 states and 481 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:45,099 INFO L93 Difference]: Finished difference Result 906 states and 1169 transitions. [2022-10-15 22:16:45,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:45,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 22:16:45,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:45,108 INFO L225 Difference]: With dead ends: 906 [2022-10-15 22:16:45,108 INFO L226 Difference]: Without dead ends: 571 [2022-10-15 22:16:45,114 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 22:16:45,116 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 276 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:45,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1140 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-10-15 22:16:45,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 519. [2022-10-15 22:16:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 439 states have (on average 1.6628701594533029) internal successors, (730), 518 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 730 transitions. [2022-10-15 22:16:45,174 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 730 transitions. Word has length 38 [2022-10-15 22:16:45,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:45,175 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 730 transitions. [2022-10-15 22:16:45,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 730 transitions. [2022-10-15 22:16:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:16:45,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:45,178 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 22:16:45,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:16:45,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:45,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1262749952, now seen corresponding path program 1 times [2022-10-15 22:16:45,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:45,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484508075] [2022-10-15 22:16:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:45,388 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 22:16:45,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:45,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484508075] [2022-10-15 22:16:45,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484508075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:45,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:45,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:45,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768737590] [2022-10-15 22:16:45,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:45,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:45,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:45,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:45,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:45,397 INFO L87 Difference]: Start difference. First operand 519 states and 730 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) 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 22:16:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:45,472 INFO L93 Difference]: Finished difference Result 1317 states and 1883 transitions. [2022-10-15 22:16:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) 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 22:16:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:45,479 INFO L225 Difference]: With dead ends: 1317 [2022-10-15 22:16:45,479 INFO L226 Difference]: Without dead ends: 845 [2022-10-15 22:16:45,481 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 22:16:45,483 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 268 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:45,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 859 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:45,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-10-15 22:16:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 791. [2022-10-15 22:16:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 711 states have (on average 1.690576652601969) internal successors, (1202), 790 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1202 transitions. [2022-10-15 22:16:45,592 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1202 transitions. Word has length 58 [2022-10-15 22:16:45,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:45,593 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1202 transitions. [2022-10-15 22:16:45,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) 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 22:16:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1202 transitions. [2022-10-15 22:16:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:16:45,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:45,596 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 22:16:45,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:16:45,597 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:45,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1820345464, now seen corresponding path program 1 times [2022-10-15 22:16:45,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:45,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158287762] [2022-10-15 22:16:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:45,709 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 22:16:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:45,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158287762] [2022-10-15 22:16:45,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158287762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:45,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:45,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:45,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253517982] [2022-10-15 22:16:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:45,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:45,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:45,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:45,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:45,714 INFO L87 Difference]: Start difference. First operand 791 states and 1202 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:45,815 INFO L93 Difference]: Finished difference Result 2075 states and 3209 transitions. [2022-10-15 22:16:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:45,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:16:45,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:45,825 INFO L225 Difference]: With dead ends: 2075 [2022-10-15 22:16:45,825 INFO L226 Difference]: Without dead ends: 1337 [2022-10-15 22:16:45,828 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 22:16:45,829 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 255 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:45,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 936 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-10-15 22:16:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1283. [2022-10-15 22:16:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1203 states have (on average 1.71404821280133) internal successors, (2062), 1282 states have internal predecessors, (2062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 2062 transitions. [2022-10-15 22:16:45,922 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 2062 transitions. Word has length 59 [2022-10-15 22:16:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:45,922 INFO L495 AbstractCegarLoop]: Abstraction has 1283 states and 2062 transitions. [2022-10-15 22:16:45,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2062 transitions. [2022-10-15 22:16:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:16:45,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:45,924 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 22:16:45,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:16:45,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash 201104350, now seen corresponding path program 1 times [2022-10-15 22:16:45,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:45,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845906298] [2022-10-15 22:16:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:46,019 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 22:16:46,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:46,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845906298] [2022-10-15 22:16:46,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845906298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:46,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:46,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:46,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566838704] [2022-10-15 22:16:46,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:46,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:46,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:46,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:46,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:46,023 INFO L87 Difference]: Start difference. First operand 1283 states and 2062 transitions. Second operand has 3 states, 3 states have (on average 20.0) 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 22:16:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:46,213 INFO L93 Difference]: Finished difference Result 3437 states and 5609 transitions. [2022-10-15 22:16:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) 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 22:16:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:46,230 INFO L225 Difference]: With dead ends: 3437 [2022-10-15 22:16:46,230 INFO L226 Difference]: Without dead ends: 2213 [2022-10-15 22:16:46,234 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 22:16:46,239 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 242 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:46,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 819 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:46,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-10-15 22:16:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2159. [2022-10-15 22:16:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 2079 states have (on average 1.7344877344877345) internal successors, (3606), 2158 states have internal predecessors, (3606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3606 transitions. [2022-10-15 22:16:46,435 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3606 transitions. Word has length 60 [2022-10-15 22:16:46,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:46,437 INFO L495 AbstractCegarLoop]: Abstraction has 2159 states and 3606 transitions. [2022-10-15 22:16:46,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) 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 22:16:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3606 transitions. [2022-10-15 22:16:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:16:46,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:46,439 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 22:16:46,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:16:46,442 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1890422512, now seen corresponding path program 1 times [2022-10-15 22:16:46,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:46,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046003339] [2022-10-15 22:16:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:46,545 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 22:16:46,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:46,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046003339] [2022-10-15 22:16:46,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046003339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:46,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:46,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:46,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940548502] [2022-10-15 22:16:46,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:46,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:16:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:16:46,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:16:46,549 INFO L87 Difference]: Start difference. First operand 2159 states and 3606 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:46,854 INFO L93 Difference]: Finished difference Result 5839 states and 9881 transitions. [2022-10-15 22:16:46,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:16:46,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:16:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:46,886 INFO L225 Difference]: With dead ends: 5839 [2022-10-15 22:16:46,886 INFO L226 Difference]: Without dead ends: 3745 [2022-10-15 22:16:46,894 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 22:16:46,900 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 229 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:46,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:16:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-10-15 22:16:47,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3691. [2022-10-15 22:16:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 3611 states have (on average 1.754084741068956) internal successors, (6334), 3690 states have internal predecessors, (6334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 6334 transitions. [2022-10-15 22:16:47,233 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 6334 transitions. Word has length 61 [2022-10-15 22:16:47,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:47,234 INFO L495 AbstractCegarLoop]: Abstraction has 3691 states and 6334 transitions. [2022-10-15 22:16:47,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 6334 transitions. [2022-10-15 22:16:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:16:47,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:47,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:47,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:16:47,241 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash -559404060, now seen corresponding path program 1 times [2022-10-15 22:16:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:47,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093368589] [2022-10-15 22:16:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:47,408 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 22:16:47,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:47,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093368589] [2022-10-15 22:16:47,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093368589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:47,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:47,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:47,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346189838] [2022-10-15 22:16:47,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:47,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:47,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:47,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:47,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:47,412 INFO L87 Difference]: Start difference. First operand 3691 states and 6334 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:48,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:48,532 INFO L93 Difference]: Finished difference Result 9398 states and 16113 transitions. [2022-10-15 22:16:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:16:48,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:16:48,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:48,596 INFO L225 Difference]: With dead ends: 9398 [2022-10-15 22:16:48,596 INFO L226 Difference]: Without dead ends: 9389 [2022-10-15 22:16:48,600 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 22:16:48,601 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 1044 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:48,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 629 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:16:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9389 states. [2022-10-15 22:16:49,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9389 to 6838. [2022-10-15 22:16:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6838 states, 6761 states have (on average 1.7259281171424345) internal successors, (11669), 6837 states have internal predecessors, (11669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6838 states to 6838 states and 11669 transitions. [2022-10-15 22:16:49,257 INFO L78 Accepts]: Start accepts. Automaton has 6838 states and 11669 transitions. Word has length 62 [2022-10-15 22:16:49,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:49,257 INFO L495 AbstractCegarLoop]: Abstraction has 6838 states and 11669 transitions. [2022-10-15 22:16:49,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6838 states and 11669 transitions. [2022-10-15 22:16:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:16:49,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:49,259 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 22:16:49,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:16:49,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:49,260 INFO L85 PathProgramCache]: Analyzing trace with hash -161656470, now seen corresponding path program 1 times [2022-10-15 22:16:49,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:49,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913627883] [2022-10-15 22:16:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:49,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:49,377 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 22:16:49,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:49,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913627883] [2022-10-15 22:16:49,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913627883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:49,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:49,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:16:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742589719] [2022-10-15 22:16:49,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:49,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:16:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:49,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:16:49,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:16:49,380 INFO L87 Difference]: Start difference. First operand 6838 states and 11669 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 22:16:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:50,389 INFO L93 Difference]: Finished difference Result 9341 states and 15918 transitions. [2022-10-15 22:16:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:16:50,389 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 22:16:50,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:50,440 INFO L225 Difference]: With dead ends: 9341 [2022-10-15 22:16:50,440 INFO L226 Difference]: Without dead ends: 9332 [2022-10-15 22:16:50,445 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 22:16:50,446 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 1053 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:50,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 451 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:16:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9332 states. [2022-10-15 22:16:51,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9332 to 9290. [2022-10-15 22:16:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9290 states, 9216 states have (on average 1.6904296875) internal successors, (15579), 9289 states have internal predecessors, (15579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9290 states to 9290 states and 15579 transitions. [2022-10-15 22:16:51,243 INFO L78 Accepts]: Start accepts. Automaton has 9290 states and 15579 transitions. Word has length 63 [2022-10-15 22:16:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:51,243 INFO L495 AbstractCegarLoop]: Abstraction has 9290 states and 15579 transitions. [2022-10-15 22:16:51,244 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 22:16:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9290 states and 15579 transitions. [2022-10-15 22:16:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:16:51,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:51,245 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 22:16:51,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:16:51,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:51,246 INFO L85 PathProgramCache]: Analyzing trace with hash -716383066, now seen corresponding path program 1 times [2022-10-15 22:16:51,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:51,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422018989] [2022-10-15 22:16:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:51,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:51,370 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 22:16:51,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:51,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422018989] [2022-10-15 22:16:51,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422018989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:51,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:51,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:51,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870132433] [2022-10-15 22:16:51,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:51,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:51,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:51,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:51,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:51,373 INFO L87 Difference]: Start difference. First operand 9290 states and 15579 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 22:16:53,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:53,044 INFO L93 Difference]: Finished difference Result 14651 states and 24272 transitions. [2022-10-15 22:16:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:16:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 22:16:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:53,091 INFO L225 Difference]: With dead ends: 14651 [2022-10-15 22:16:53,092 INFO L226 Difference]: Without dead ends: 14642 [2022-10-15 22:16:53,099 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 22:16:53,100 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1754 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:53,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 869 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:16:53,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14642 states. [2022-10-15 22:16:54,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14642 to 12067. [2022-10-15 22:16:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 11996 states have (on average 1.6628876292097365) internal successors, (19948), 12066 states have internal predecessors, (19948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 19948 transitions. [2022-10-15 22:16:54,174 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 19948 transitions. Word has length 64 [2022-10-15 22:16:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:54,175 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 19948 transitions. [2022-10-15 22:16:54,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 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 22:16:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 19948 transitions. [2022-10-15 22:16:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:16:54,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:54,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:16:54,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:16:54,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:54,179 INFO L85 PathProgramCache]: Analyzing trace with hash -733038356, now seen corresponding path program 1 times [2022-10-15 22:16:54,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:54,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071540458] [2022-10-15 22:16:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:54,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:54,354 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 22:16:54,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:54,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071540458] [2022-10-15 22:16:54,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071540458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:54,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:54,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:16:54,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977225227] [2022-10-15 22:16:54,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:54,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:16:54,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:54,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:16:54,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:16:54,359 INFO L87 Difference]: Start difference. First operand 12067 states and 19948 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:55,727 INFO L93 Difference]: Finished difference Result 14597 states and 24062 transitions. [2022-10-15 22:16:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:16:55,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:16:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:55,771 INFO L225 Difference]: With dead ends: 14597 [2022-10-15 22:16:55,772 INFO L226 Difference]: Without dead ends: 14588 [2022-10-15 22:16:55,780 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 22:16:55,781 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 1906 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:55,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 633 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:16:55,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14588 states. [2022-10-15 22:16:57,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14588 to 14510. [2022-10-15 22:16:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14510 states, 14442 states have (on average 1.6343304251488713) internal successors, (23603), 14509 states have internal predecessors, (23603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14510 states to 14510 states and 23603 transitions. [2022-10-15 22:16:57,171 INFO L78 Accepts]: Start accepts. Automaton has 14510 states and 23603 transitions. Word has length 65 [2022-10-15 22:16:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:16:57,172 INFO L495 AbstractCegarLoop]: Abstraction has 14510 states and 23603 transitions. [2022-10-15 22:16:57,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:16:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 14510 states and 23603 transitions. [2022-10-15 22:16:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:16:57,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:16:57,173 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, 1, 1, 1] [2022-10-15 22:16:57,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:16:57,174 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:16:57,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:16:57,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1249352344, now seen corresponding path program 1 times [2022-10-15 22:16:57,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:16:57,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387694536] [2022-10-15 22:16:57,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:16:57,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:16:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:16:57,310 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 22:16:57,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:16:57,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387694536] [2022-10-15 22:16:57,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387694536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:16:57,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:16:57,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:16:57,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357346700] [2022-10-15 22:16:57,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:16:57,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:16:57,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:16:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:16:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:16:57,314 INFO L87 Difference]: Start difference. First operand 14510 states and 23603 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 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 22:16:59,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:16:59,371 INFO L93 Difference]: Finished difference Result 22126 states and 35657 transitions. [2022-10-15 22:16:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:16:59,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 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 22:16:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:16:59,437 INFO L225 Difference]: With dead ends: 22126 [2022-10-15 22:16:59,438 INFO L226 Difference]: Without dead ends: 22117 [2022-10-15 22:16:59,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:16:59,449 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 2661 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:16:59,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 1057 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:16:59,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22117 states. [2022-10-15 22:17:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22117 to 17251. [2022-10-15 22:17:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17251 states, 17186 states have (on average 1.607354823693704) internal successors, (27624), 17250 states have internal predecessors, (27624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17251 states to 17251 states and 27624 transitions. [2022-10-15 22:17:00,836 INFO L78 Accepts]: Start accepts. Automaton has 17251 states and 27624 transitions. Word has length 66 [2022-10-15 22:17:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:00,836 INFO L495 AbstractCegarLoop]: Abstraction has 17251 states and 27624 transitions. [2022-10-15 22:17:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 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 22:17:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 17251 states and 27624 transitions. [2022-10-15 22:17:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:17:00,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:00,838 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 22:17:00,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:17:00,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:17:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash -75216786, now seen corresponding path program 1 times [2022-10-15 22:17:00,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:00,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565287802] [2022-10-15 22:17:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:00,994 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 22:17:00,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:00,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565287802] [2022-10-15 22:17:00,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565287802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:00,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:00,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:00,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445054746] [2022-10-15 22:17:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:00,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:00,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:00,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:00,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:00,997 INFO L87 Difference]: Start difference. First operand 17251 states and 27624 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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 22:17:02,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:02,993 INFO L93 Difference]: Finished difference Result 22063 states and 35162 transitions. [2022-10-15 22:17:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:02,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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 22:17:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:03,051 INFO L225 Difference]: With dead ends: 22063 [2022-10-15 22:17:03,052 INFO L226 Difference]: Without dead ends: 22054 [2022-10-15 22:17:03,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:03,064 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 2708 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:03,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2708 Valid, 867 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:17:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22054 states. [2022-10-15 22:17:04,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22054 to 21946. [2022-10-15 22:17:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21946 states, 21884 states have (on average 1.5808353134710291) internal successors, (34595), 21945 states have internal predecessors, (34595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21946 states to 21946 states and 34595 transitions. [2022-10-15 22:17:04,558 INFO L78 Accepts]: Start accepts. Automaton has 21946 states and 34595 transitions. Word has length 67 [2022-10-15 22:17:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:04,558 INFO L495 AbstractCegarLoop]: Abstraction has 21946 states and 34595 transitions. [2022-10-15 22:17:04,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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 22:17:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21946 states and 34595 transitions. [2022-10-15 22:17:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:17:04,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:04,560 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] [2022-10-15 22:17:04,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:17:04,560 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:17:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1963247146, now seen corresponding path program 1 times [2022-10-15 22:17:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:04,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619271882] [2022-10-15 22:17:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:04,717 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 22:17:04,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:04,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619271882] [2022-10-15 22:17:04,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619271882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:04,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:04,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619768425] [2022-10-15 22:17:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:04,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:04,720 INFO L87 Difference]: Start difference. First operand 21946 states and 34595 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:09,107 INFO L93 Difference]: Finished difference Result 76096 states and 120355 transitions. [2022-10-15 22:17:09,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:17:09,111 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-15 22:17:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:09,214 INFO L225 Difference]: With dead ends: 76096 [2022-10-15 22:17:09,214 INFO L226 Difference]: Without dead ends: 54248 [2022-10-15 22:17:09,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:17:09,260 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 3575 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:09,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 1837 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:17:09,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54248 states. [2022-10-15 22:17:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54248 to 40575. [2022-10-15 22:17:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40575 states, 40516 states have (on average 1.538996939480699) internal successors, (62354), 40574 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40575 states to 40575 states and 62354 transitions. [2022-10-15 22:17:12,268 INFO L78 Accepts]: Start accepts. Automaton has 40575 states and 62354 transitions. Word has length 68 [2022-10-15 22:17:12,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:12,269 INFO L495 AbstractCegarLoop]: Abstraction has 40575 states and 62354 transitions. [2022-10-15 22:17:12,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 40575 states and 62354 transitions. [2022-10-15 22:17:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:17:12,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:12,270 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 22:17:12,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:12,270 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:17:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:12,271 INFO L85 PathProgramCache]: Analyzing trace with hash 731119600, now seen corresponding path program 1 times [2022-10-15 22:17:12,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:12,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635138457] [2022-10-15 22:17:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:12,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:12,540 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 22:17:12,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:12,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635138457] [2022-10-15 22:17:12,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635138457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:12,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:12,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:12,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884892126] [2022-10-15 22:17:12,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:12,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:12,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:12,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:12,543 INFO L87 Difference]: Start difference. First operand 40575 states and 62354 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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 22:17:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:16,656 INFO L93 Difference]: Finished difference Result 56333 states and 87096 transitions. [2022-10-15 22:17:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:17:16,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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 22:17:16,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:16,752 INFO L225 Difference]: With dead ends: 56333 [2022-10-15 22:17:16,752 INFO L226 Difference]: Without dead ends: 56324 [2022-10-15 22:17:16,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:17:16,764 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 5057 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5057 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:16,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5057 Valid, 1014 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56324 states. [2022-10-15 22:17:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56324 to 56126. [2022-10-15 22:17:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56126 states, 56070 states have (on average 1.5210807918673088) internal successors, (85287), 56125 states have internal predecessors, (85287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56126 states to 56126 states and 85287 transitions. [2022-10-15 22:17:20,908 INFO L78 Accepts]: Start accepts. Automaton has 56126 states and 85287 transitions. Word has length 69 [2022-10-15 22:17:20,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:20,909 INFO L495 AbstractCegarLoop]: Abstraction has 56126 states and 85287 transitions. [2022-10-15 22:17:20,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 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 22:17:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 56126 states and 85287 transitions. [2022-10-15 22:17:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:17:20,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:20,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:20,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:20,910 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:17:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:20,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1116423236, now seen corresponding path program 1 times [2022-10-15 22:17:20,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:20,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440843038] [2022-10-15 22:17:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:20,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:20,998 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 22:17:20,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:20,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440843038] [2022-10-15 22:17:20,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440843038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:20,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:20,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:20,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515682014] [2022-10-15 22:17:20,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:21,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:21,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:21,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:21,001 INFO L87 Difference]: Start difference. First operand 56126 states and 85287 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:25,903 INFO L93 Difference]: Finished difference Result 129601 states and 196860 transitions. [2022-10-15 22:17:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:25,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:17:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:26,079 INFO L225 Difference]: With dead ends: 129601 [2022-10-15 22:17:26,080 INFO L226 Difference]: Without dead ends: 73560 [2022-10-15 22:17:26,153 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 22:17:26,154 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 268 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:26,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 663 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73560 states. [2022-10-15 22:17:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73560 to 73208. [2022-10-15 22:17:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73208 states, 73153 states have (on average 1.5058849261137615) internal successors, (110160), 73207 states have internal predecessors, (110160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73208 states to 73208 states and 110160 transitions. [2022-10-15 22:17:31,902 INFO L78 Accepts]: Start accepts. Automaton has 73208 states and 110160 transitions. Word has length 79 [2022-10-15 22:17:31,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:31,903 INFO L495 AbstractCegarLoop]: Abstraction has 73208 states and 110160 transitions. [2022-10-15 22:17:31,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 73208 states and 110160 transitions. [2022-10-15 22:17:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:17:31,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:31,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:31,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:31,904 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-15 22:17:31,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:31,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1350958074, now seen corresponding path program 1 times [2022-10-15 22:17:31,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:31,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114089346] [2022-10-15 22:17:31,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:31,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:32,308 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 22:17:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:32,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114089346] [2022-10-15 22:17:32,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114089346] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:32,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:32,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:17:32,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112818106] [2022-10-15 22:17:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:32,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:32,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:32,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:32,311 INFO L87 Difference]: Start difference. First operand 73208 states and 110160 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)