/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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:12:45,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:12:45,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:12:45,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:12:45,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:12:45,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:12:45,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:12:45,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:12:45,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:12:45,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:12:45,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:12:45,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:12:45,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:12:45,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:12:45,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:12:45,724 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 22:12:45,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:12:45,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:12:45,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:12:45,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:12:45,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:12:45,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:12:45,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:12:45,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:12:45,782 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:12:45,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:12:45,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:12:45,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:12:45,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:12:45,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:12:45,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:12:45,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:12:45,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:12:45,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:12:45,784 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:12:45,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:12:45,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:12:45,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:12:45,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:12:45,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:12:45,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:12:45,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:12:45,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:12:45,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:12:45,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:12:45,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:12:45,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:12:45,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:12:45,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:12:45,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:12:46,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:12:46,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:12:46,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:12:46,282 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:12:46,282 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:12:46,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:12:46,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f3ac7741/4c27bdf1e3b44a8586aa7f09c88a6a15/FLAG799eec140 [2022-10-15 22:12:47,175 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:12:47,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:12:47,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f3ac7741/4c27bdf1e3b44a8586aa7f09c88a6a15/FLAG799eec140 [2022-10-15 22:12:47,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f3ac7741/4c27bdf1e3b44a8586aa7f09c88a6a15 [2022-10-15 22:12:47,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:12:47,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:12:47,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:12:47,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:12:47,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:12:47,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:12:47" (1/1) ... [2022-10-15 22:12:47,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed7f109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:47, skipping insertion in model container [2022-10-15 22:12:47,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:12:47" (1/1) ... [2022-10-15 22:12:47,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:12:47,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:12:47,825 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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2022-10-15 22:12:47,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:12:47,917 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:12:48,018 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-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2022-10-15 22:12:48,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:12:48,103 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:12:48,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48 WrapperNode [2022-10-15 22:12:48,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:12:48,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:12:48,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:12:48,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:12:48,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,212 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 828 [2022-10-15 22:12:48,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:12:48,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:12:48,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:12:48,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:12:48,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:12:48,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:12:48,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:12:48,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:12:48,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (1/1) ... [2022-10-15 22:12:48,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:12:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:12:48,340 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 22:12:48,355 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 22:12:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:12:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:12:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:12:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:12:48,608 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:12:48,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:12:49,660 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:12:49,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:12:49,674 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:12:49,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:12:49 BoogieIcfgContainer [2022-10-15 22:12:49,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:12:49,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:12:49,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:12:49,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:12:49,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:12:47" (1/3) ... [2022-10-15 22:12:49,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3aea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:12:49, skipping insertion in model container [2022-10-15 22:12:49,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:12:48" (2/3) ... [2022-10-15 22:12:49,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3aea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:12:49, skipping insertion in model container [2022-10-15 22:12:49,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:12:49" (3/3) ... [2022-10-15 22:12:49,691 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:12:49,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:12:49,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-15 22:12:49,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:12:49,810 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;@23f22462, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:12:49,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-15 22:12:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 247 states have (on average 1.7611336032388665) internal successors, (435), 283 states have internal predecessors, (435), 0 states have call successors, (0), 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 22:12:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:12:49,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:49,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:12:49,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:49,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:49,835 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:12:49,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:49,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672051943] [2022-10-15 22:12:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:50,107 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 22:12:50,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:50,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672051943] [2022-10-15 22:12:50,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672051943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:50,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:50,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:12:50,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527140570] [2022-10-15 22:12:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:50,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:12:50,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:50,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:12:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:12:50,176 INFO L87 Difference]: Start difference. First operand has 284 states, 247 states have (on average 1.7611336032388665) internal successors, (435), 283 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:50,264 INFO L93 Difference]: Finished difference Result 287 states and 437 transitions. [2022-10-15 22:12:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:12:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 22:12:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:50,294 INFO L225 Difference]: With dead ends: 287 [2022-10-15 22:12:50,295 INFO L226 Difference]: Without dead ends: 269 [2022-10-15 22:12:50,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:12:50,304 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:50,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:12:50,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-10-15 22:12:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-10-15 22:12:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 245 states have (on average 1.4857142857142858) internal successors, (364), 268 states have internal predecessors, (364), 0 states have call successors, (0), 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 22:12:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 364 transitions. [2022-10-15 22:12:50,378 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 364 transitions. Word has length 4 [2022-10-15 22:12:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:50,379 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 364 transitions. [2022-10-15 22:12:50,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2022-10-15 22:12:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:12:50,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:50,383 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 22:12:50,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:12:50,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:50,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:50,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1745588214, now seen corresponding path program 1 times [2022-10-15 22:12:50,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:50,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391664905] [2022-10-15 22:12:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:50,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:50,886 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 22:12:50,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:50,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391664905] [2022-10-15 22:12:50,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391664905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:50,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:50,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:50,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382123275] [2022-10-15 22:12:50,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:50,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:50,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:50,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:50,892 INFO L87 Difference]: Start difference. First operand 269 states and 364 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:51,169 INFO L93 Difference]: Finished difference Result 559 states and 794 transitions. [2022-10-15 22:12:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:12:51,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:12:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:51,178 INFO L225 Difference]: With dead ends: 559 [2022-10-15 22:12:51,178 INFO L226 Difference]: Without dead ends: 556 [2022-10-15 22:12:51,181 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 22:12:51,183 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 845 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:51,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 700 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:12:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-10-15 22:12:51,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 401. [2022-10-15 22:12:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 378 states have (on average 1.537037037037037) internal successors, (581), 400 states have internal predecessors, (581), 0 states have call successors, (0), 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 22:12:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 581 transitions. [2022-10-15 22:12:51,227 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 581 transitions. Word has length 64 [2022-10-15 22:12:51,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:51,228 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 581 transitions. [2022-10-15 22:12:51,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 581 transitions. [2022-10-15 22:12:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:12:51,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:51,231 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 22:12:51,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:12:51,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:51,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1721340455, now seen corresponding path program 1 times [2022-10-15 22:12:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:51,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812056648] [2022-10-15 22:12:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:51,387 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 22:12:51,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:51,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812056648] [2022-10-15 22:12:51,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812056648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:51,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:51,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:51,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037524923] [2022-10-15 22:12:51,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:51,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:51,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:51,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:51,391 INFO L87 Difference]: Start difference. First operand 401 states and 581 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 22:12:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:51,563 INFO L93 Difference]: Finished difference Result 542 states and 791 transitions. [2022-10-15 22:12:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:12:51,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 22:12:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:51,568 INFO L225 Difference]: With dead ends: 542 [2022-10-15 22:12:51,568 INFO L226 Difference]: Without dead ends: 539 [2022-10-15 22:12:51,569 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 22:12:51,570 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 852 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:51,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 517 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:12:51,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-10-15 22:12:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 527. [2022-10-15 22:12:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 505 states have (on average 1.5564356435643565) internal successors, (786), 526 states have internal predecessors, (786), 0 states have call successors, (0), 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 22:12:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 786 transitions. [2022-10-15 22:12:51,608 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 786 transitions. Word has length 65 [2022-10-15 22:12:51,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:51,609 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 786 transitions. [2022-10-15 22:12:51,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 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 22:12:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 786 transitions. [2022-10-15 22:12:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:12:51,612 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:51,612 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 22:12:51,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:12:51,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:51,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:51,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1821946796, now seen corresponding path program 1 times [2022-10-15 22:12:51,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:51,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954450723] [2022-10-15 22:12:51,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:51,821 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 22:12:51,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:51,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954450723] [2022-10-15 22:12:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954450723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:51,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:51,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:51,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370322321] [2022-10-15 22:12:51,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:51,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:51,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:51,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:51,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:51,831 INFO L87 Difference]: Start difference. First operand 527 states and 786 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 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 22:12:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:52,148 INFO L93 Difference]: Finished difference Result 811 states and 1190 transitions. [2022-10-15 22:12:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:12:52,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 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 22:12:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:52,157 INFO L225 Difference]: With dead ends: 811 [2022-10-15 22:12:52,157 INFO L226 Difference]: Without dead ends: 808 [2022-10-15 22:12:52,161 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 22:12:52,171 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 1351 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:52,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1059 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:12:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-10-15 22:12:52,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 647. [2022-10-15 22:12:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 626 states have (on average 1.5638977635782747) internal successors, (979), 646 states have internal predecessors, (979), 0 states have call successors, (0), 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 22:12:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 979 transitions. [2022-10-15 22:12:52,235 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 979 transitions. Word has length 66 [2022-10-15 22:12:52,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:52,236 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 979 transitions. [2022-10-15 22:12:52,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 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 22:12:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 979 transitions. [2022-10-15 22:12:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:12:52,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:52,244 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 22:12:52,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:12:52,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash 645776073, now seen corresponding path program 1 times [2022-10-15 22:12:52,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:52,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571841052] [2022-10-15 22:12:52,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:52,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:52,454 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 22:12:52,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:52,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571841052] [2022-10-15 22:12:52,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571841052] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:52,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:52,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:12:52,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898181030] [2022-10-15 22:12:52,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:52,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:12:52,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:52,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:12:52,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:12:52,457 INFO L87 Difference]: Start difference. First operand 647 states and 979 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 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 22:12:52,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:52,714 INFO L93 Difference]: Finished difference Result 792 states and 1177 transitions. [2022-10-15 22:12:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:12:52,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 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 22:12:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:52,721 INFO L225 Difference]: With dead ends: 792 [2022-10-15 22:12:52,721 INFO L226 Difference]: Without dead ends: 789 [2022-10-15 22:12:52,722 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 22:12:52,723 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1574 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:52,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 713 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:12:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-10-15 22:12:52,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 767. [2022-10-15 22:12:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 747 states have (on average 1.5662650602409638) internal successors, (1170), 766 states have internal predecessors, (1170), 0 states have call successors, (0), 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 22:12:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1170 transitions. [2022-10-15 22:12:52,816 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1170 transitions. Word has length 67 [2022-10-15 22:12:52,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:52,816 INFO L495 AbstractCegarLoop]: Abstraction has 767 states and 1170 transitions. [2022-10-15 22:12:52,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 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 22:12:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1170 transitions. [2022-10-15 22:12:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:12:52,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:52,818 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 22:12:52,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:12:52,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1455777970, now seen corresponding path program 1 times [2022-10-15 22:12:52,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:52,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862597771] [2022-10-15 22:12:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:52,967 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 22:12:52,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862597771] [2022-10-15 22:12:52,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862597771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:52,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:52,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:52,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671033240] [2022-10-15 22:12:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:52,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:52,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:52,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:52,974 INFO L87 Difference]: Start difference. First operand 767 states and 1170 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 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 22:12:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:53,393 INFO L93 Difference]: Finished difference Result 1168 states and 1756 transitions. [2022-10-15 22:12:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:12:53,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 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 22:12:53,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:53,401 INFO L225 Difference]: With dead ends: 1168 [2022-10-15 22:12:53,401 INFO L226 Difference]: Without dead ends: 1165 [2022-10-15 22:12:53,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:12:53,404 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 1824 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:53,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1565 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:12:53,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-10-15 22:12:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 881. [2022-10-15 22:12:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 862 states have (on average 1.5649651972157772) internal successors, (1349), 880 states have internal predecessors, (1349), 0 states have call successors, (0), 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 22:12:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1349 transitions. [2022-10-15 22:12:53,482 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1349 transitions. Word has length 68 [2022-10-15 22:12:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:53,483 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1349 transitions. [2022-10-15 22:12:53,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 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 22:12:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1349 transitions. [2022-10-15 22:12:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:12:53,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:53,484 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 22:12:53,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:12:53,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:53,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2115523435, now seen corresponding path program 1 times [2022-10-15 22:12:53,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:53,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496480449] [2022-10-15 22:12:53,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:53,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:53,637 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 22:12:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:53,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496480449] [2022-10-15 22:12:53,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496480449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:53,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:53,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:12:53,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350562955] [2022-10-15 22:12:53,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:53,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:12:53,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:12:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:12:53,640 INFO L87 Difference]: Start difference. First operand 881 states and 1349 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 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 22:12:54,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:54,024 INFO L93 Difference]: Finished difference Result 1143 states and 1719 transitions. [2022-10-15 22:12:54,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:12:54,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 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 22:12:54,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:54,031 INFO L225 Difference]: With dead ends: 1143 [2022-10-15 22:12:54,032 INFO L226 Difference]: Without dead ends: 1140 [2022-10-15 22:12:54,033 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 22:12:54,034 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 2060 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:54,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 1069 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:12:54,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-10-15 22:12:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1110. [2022-10-15 22:12:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1092 states have (on average 1.565934065934066) internal successors, (1710), 1109 states have internal predecessors, (1710), 0 states have call successors, (0), 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 22:12:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1710 transitions. [2022-10-15 22:12:54,171 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1710 transitions. Word has length 69 [2022-10-15 22:12:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:54,172 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1710 transitions. [2022-10-15 22:12:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 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 22:12:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1710 transitions. [2022-10-15 22:12:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:12:54,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:54,173 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, 1, 1, 1, 1] [2022-10-15 22:12:54,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:12:54,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:54,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1156717296, now seen corresponding path program 1 times [2022-10-15 22:12:54,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:54,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489008821] [2022-10-15 22:12:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:54,339 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 22:12:54,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:54,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489008821] [2022-10-15 22:12:54,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489008821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:54,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:54,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:12:54,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523637494] [2022-10-15 22:12:54,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:54,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:12:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:54,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:12:54,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:54,342 INFO L87 Difference]: Start difference. First operand 1110 states and 1710 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:54,937 INFO L93 Difference]: Finished difference Result 2549 states and 3939 transitions. [2022-10-15 22:12:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 22:12:54,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:12:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:54,947 INFO L225 Difference]: With dead ends: 2549 [2022-10-15 22:12:54,947 INFO L226 Difference]: Without dead ends: 1620 [2022-10-15 22:12:54,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:12:54,953 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 2410 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:54,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 2098 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:12:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-10-15 22:12:55,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1223. [2022-10-15 22:12:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1206 states have (on average 1.560530679933665) internal successors, (1882), 1222 states have internal predecessors, (1882), 0 states have call successors, (0), 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 22:12:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1882 transitions. [2022-10-15 22:12:55,100 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1882 transitions. Word has length 70 [2022-10-15 22:12:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:55,101 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1882 transitions. [2022-10-15 22:12:55,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1882 transitions. [2022-10-15 22:12:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:12:55,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:55,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:55,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:12:55,103 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1498498061, now seen corresponding path program 1 times [2022-10-15 22:12:55,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:55,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475135773] [2022-10-15 22:12:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:55,259 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 22:12:55,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:55,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475135773] [2022-10-15 22:12:55,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475135773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:55,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:55,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:12:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437365056] [2022-10-15 22:12:55,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:55,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:12:55,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:55,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:12:55,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:12:55,262 INFO L87 Difference]: Start difference. First operand 1223 states and 1882 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:56,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:56,046 INFO L93 Difference]: Finished difference Result 2083 states and 3169 transitions. [2022-10-15 22:12:56,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:12:56,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:12:56,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:56,059 INFO L225 Difference]: With dead ends: 2083 [2022-10-15 22:12:56,060 INFO L226 Difference]: Without dead ends: 2080 [2022-10-15 22:12:56,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:12:56,062 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 3341 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:56,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 1703 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:12:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2022-10-15 22:12:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 2020. [2022-10-15 22:12:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 2004 states have (on average 1.5718562874251496) internal successors, (3150), 2019 states have internal predecessors, (3150), 0 states have call successors, (0), 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 22:12:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 3150 transitions. [2022-10-15 22:12:56,252 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 3150 transitions. Word has length 71 [2022-10-15 22:12:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:56,253 INFO L495 AbstractCegarLoop]: Abstraction has 2020 states and 3150 transitions. [2022-10-15 22:12:56,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:12:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 3150 transitions. [2022-10-15 22:12:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:12:56,255 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:56,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:56,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:12:56,255 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:56,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:56,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1819102044, now seen corresponding path program 1 times [2022-10-15 22:12:56,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:56,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369830762] [2022-10-15 22:12:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:56,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:56,357 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 22:12:56,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:56,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369830762] [2022-10-15 22:12:56,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369830762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:56,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:56,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:56,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183093277] [2022-10-15 22:12:56,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:56,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:12:56,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:56,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:12:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:12:56,360 INFO L87 Difference]: Start difference. First operand 2020 states and 3150 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:12:56,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:56,794 INFO L93 Difference]: Finished difference Result 5677 states and 8903 transitions. [2022-10-15 22:12:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:12:56,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:12:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:56,820 INFO L225 Difference]: With dead ends: 5677 [2022-10-15 22:12:56,821 INFO L226 Difference]: Without dead ends: 3777 [2022-10-15 22:12:56,825 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 22:12:56,826 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 242 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:56,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 684 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:12:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3777 states. [2022-10-15 22:12:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3777 to 3761. [2022-10-15 22:12:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 3745 states have (on average 1.566622162883845) internal successors, (5867), 3760 states have internal predecessors, (5867), 0 states have call successors, (0), 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 22:12:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5867 transitions. [2022-10-15 22:12:57,292 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5867 transitions. Word has length 98 [2022-10-15 22:12:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:57,293 INFO L495 AbstractCegarLoop]: Abstraction has 3761 states and 5867 transitions. [2022-10-15 22:12:57,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:12:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5867 transitions. [2022-10-15 22:12:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:12:57,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:57,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:57,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:12:57,296 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:57,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:57,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2025127845, now seen corresponding path program 1 times [2022-10-15 22:12:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:57,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474848296] [2022-10-15 22:12:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:57,385 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 22:12:57,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:57,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474848296] [2022-10-15 22:12:57,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474848296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:57,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:57,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:57,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015159199] [2022-10-15 22:12:57,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:57,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:12:57,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:57,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:12:57,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:12:57,388 INFO L87 Difference]: Start difference. First operand 3761 states and 5867 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:12:58,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:12:58,214 INFO L93 Difference]: Finished difference Result 10681 states and 16710 transitions. [2022-10-15 22:12:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:12:58,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:12:58,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:12:58,259 INFO L225 Difference]: With dead ends: 10681 [2022-10-15 22:12:58,260 INFO L226 Difference]: Without dead ends: 7078 [2022-10-15 22:12:58,267 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 22:12:58,268 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 255 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:12:58,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 690 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:12:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7078 states. [2022-10-15 22:12:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7078 to 7062. [2022-10-15 22:12:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 7046 states have (on average 1.5570536474595515) internal successors, (10971), 7061 states have internal predecessors, (10971), 0 states have call successors, (0), 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 22:12:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 10971 transitions. [2022-10-15 22:12:59,148 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 10971 transitions. Word has length 98 [2022-10-15 22:12:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:12:59,148 INFO L495 AbstractCegarLoop]: Abstraction has 7062 states and 10971 transitions. [2022-10-15 22:12:59,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:12:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 10971 transitions. [2022-10-15 22:12:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:12:59,152 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:12:59,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:12:59,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:12:59,152 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:12:59,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:12:59,153 INFO L85 PathProgramCache]: Analyzing trace with hash 32297391, now seen corresponding path program 1 times [2022-10-15 22:12:59,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:12:59,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173218194] [2022-10-15 22:12:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:12:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:12:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:12:59,303 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 22:12:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:12:59,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173218194] [2022-10-15 22:12:59,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173218194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:12:59,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:12:59,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:12:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30476217] [2022-10-15 22:12:59,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:12:59,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:12:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:12:59,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:12:59,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:12:59,306 INFO L87 Difference]: Start difference. First operand 7062 states and 10971 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:00,249 INFO L93 Difference]: Finished difference Result 7912 states and 12315 transitions. [2022-10-15 22:13:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:00,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-15 22:13:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:00,288 INFO L225 Difference]: With dead ends: 7912 [2022-10-15 22:13:00,288 INFO L226 Difference]: Without dead ends: 7910 [2022-10-15 22:13:00,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:00,292 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 465 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:00,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 988 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:13:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7910 states. [2022-10-15 22:13:01,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7910 to 7886. [2022-10-15 22:13:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 7870 states have (on average 1.5627700127064803) internal successors, (12299), 7885 states have internal predecessors, (12299), 0 states have call successors, (0), 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 22:13:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 12299 transitions. [2022-10-15 22:13:01,163 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 12299 transitions. Word has length 99 [2022-10-15 22:13:01,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:01,164 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 12299 transitions. [2022-10-15 22:13:01,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 12299 transitions. [2022-10-15 22:13:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 22:13:01,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:01,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:01,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:13:01,168 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:01,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:01,168 INFO L85 PathProgramCache]: Analyzing trace with hash 700122367, now seen corresponding path program 1 times [2022-10-15 22:13:01,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:01,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77217361] [2022-10-15 22:13:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:01,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:01,326 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 22:13:01,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:01,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77217361] [2022-10-15 22:13:01,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77217361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:01,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:01,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:01,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994470641] [2022-10-15 22:13:01,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:01,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:01,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:01,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:01,329 INFO L87 Difference]: Start difference. First operand 7886 states and 12299 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:02,604 INFO L93 Difference]: Finished difference Result 10403 states and 16268 transitions. [2022-10-15 22:13:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:02,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-15 22:13:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:02,680 INFO L225 Difference]: With dead ends: 10403 [2022-10-15 22:13:02,680 INFO L226 Difference]: Without dead ends: 10401 [2022-10-15 22:13:02,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:02,686 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 457 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:02,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 977 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:13:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10401 states. [2022-10-15 22:13:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10401 to 9551. [2022-10-15 22:13:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 9535 states have (on average 1.566439433665443) internal successors, (14936), 9550 states have internal predecessors, (14936), 0 states have call successors, (0), 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 22:13:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 14936 transitions. [2022-10-15 22:13:03,660 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 14936 transitions. Word has length 99 [2022-10-15 22:13:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:03,661 INFO L495 AbstractCegarLoop]: Abstraction has 9551 states and 14936 transitions. [2022-10-15 22:13:03,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 14936 transitions. [2022-10-15 22:13:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:13:03,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:03,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:03,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:13:03,666 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1001219472, now seen corresponding path program 1 times [2022-10-15 22:13:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:03,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932111080] [2022-10-15 22:13:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:03,849 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 22:13:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:03,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932111080] [2022-10-15 22:13:03,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932111080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:03,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:03,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:03,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339044182] [2022-10-15 22:13:03,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:03,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:13:03,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:03,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:13:03,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:03,854 INFO L87 Difference]: Start difference. First operand 9551 states and 14936 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:05,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:05,089 INFO L93 Difference]: Finished difference Result 9563 states and 14936 transitions. [2022-10-15 22:13:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:13:05,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:13:05,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:05,113 INFO L225 Difference]: With dead ends: 9563 [2022-10-15 22:13:05,113 INFO L226 Difference]: Without dead ends: 9561 [2022-10-15 22:13:05,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:13:05,118 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 471 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:05,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 799 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:13:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9561 states. [2022-10-15 22:13:06,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9561 to 9549. [2022-10-15 22:13:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9549 states, 9535 states have (on average 1.5630833770319874) internal successors, (14904), 9548 states have internal predecessors, (14904), 0 states have call successors, (0), 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 22:13:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9549 states to 9549 states and 14904 transitions. [2022-10-15 22:13:06,277 INFO L78 Accepts]: Start accepts. Automaton has 9549 states and 14904 transitions. Word has length 100 [2022-10-15 22:13:06,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:06,279 INFO L495 AbstractCegarLoop]: Abstraction has 9549 states and 14904 transitions. [2022-10-15 22:13:06,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 9549 states and 14904 transitions. [2022-10-15 22:13:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:13:06,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:06,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:06,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:13:06,284 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:06,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1525670243, now seen corresponding path program 1 times [2022-10-15 22:13:06,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:06,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129242383] [2022-10-15 22:13:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:06,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:06,406 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 22:13:06,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:06,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129242383] [2022-10-15 22:13:06,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129242383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:06,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:06,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213560368] [2022-10-15 22:13:06,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:06,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:13:06,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:06,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:13:06,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:13:06,409 INFO L87 Difference]: Start difference. First operand 9549 states and 14904 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:08,139 INFO L93 Difference]: Finished difference Result 27167 states and 42443 transitions. [2022-10-15 22:13:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:13:08,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-15 22:13:08,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:08,197 INFO L225 Difference]: With dead ends: 27167 [2022-10-15 22:13:08,198 INFO L226 Difference]: Without dead ends: 17952 [2022-10-15 22:13:08,222 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 22:13:08,223 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 227 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:08,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 680 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:13:08,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17952 states. [2022-10-15 22:13:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17952 to 16970. [2022-10-15 22:13:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16970 states, 16956 states have (on average 1.5488912479358339) internal successors, (26263), 16969 states have internal predecessors, (26263), 0 states have call successors, (0), 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 22:13:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16970 states to 16970 states and 26263 transitions. [2022-10-15 22:13:09,673 INFO L78 Accepts]: Start accepts. Automaton has 16970 states and 26263 transitions. Word has length 100 [2022-10-15 22:13:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:09,674 INFO L495 AbstractCegarLoop]: Abstraction has 16970 states and 26263 transitions. [2022-10-15 22:13:09,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16970 states and 26263 transitions. [2022-10-15 22:13:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:13:09,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:09,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:09,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:13:09,680 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:09,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:09,681 INFO L85 PathProgramCache]: Analyzing trace with hash 973032913, now seen corresponding path program 1 times [2022-10-15 22:13:09,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:09,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146302722] [2022-10-15 22:13:09,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:09,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:09,848 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 22:13:09,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146302722] [2022-10-15 22:13:09,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146302722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:09,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:09,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:09,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531822439] [2022-10-15 22:13:09,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:09,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:09,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:09,853 INFO L87 Difference]: Start difference. First operand 16970 states and 26263 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:11,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:11,981 INFO L93 Difference]: Finished difference Result 20326 states and 31441 transitions. [2022-10-15 22:13:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:11,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 22:13:11,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:12,033 INFO L225 Difference]: With dead ends: 20326 [2022-10-15 22:13:12,034 INFO L226 Difference]: Without dead ends: 20324 [2022-10-15 22:13:12,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:12,043 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 978 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:12,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1168 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:13:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20324 states. [2022-10-15 22:13:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20324 to 18544. [2022-10-15 22:13:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18544 states, 18530 states have (on average 1.5497571505666488) internal successors, (28717), 18543 states have internal predecessors, (28717), 0 states have call successors, (0), 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 22:13:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18544 states to 18544 states and 28717 transitions. [2022-10-15 22:13:13,764 INFO L78 Accepts]: Start accepts. Automaton has 18544 states and 28717 transitions. Word has length 101 [2022-10-15 22:13:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:13,764 INFO L495 AbstractCegarLoop]: Abstraction has 18544 states and 28717 transitions. [2022-10-15 22:13:13,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 18544 states and 28717 transitions. [2022-10-15 22:13:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:13:13,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:13,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:13,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:13:13,770 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:13,770 INFO L85 PathProgramCache]: Analyzing trace with hash -774414769, now seen corresponding path program 1 times [2022-10-15 22:13:13,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:13,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841363692] [2022-10-15 22:13:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:13,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:13,950 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 22:13:13,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:13,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841363692] [2022-10-15 22:13:13,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841363692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:13,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:13,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:13,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361366364] [2022-10-15 22:13:13,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:13,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:13,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:13,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:13,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:13,953 INFO L87 Difference]: Start difference. First operand 18544 states and 28717 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:15,531 INFO L93 Difference]: Finished difference Result 20324 states and 31409 transitions. [2022-10-15 22:13:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 22:13:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:15,572 INFO L225 Difference]: With dead ends: 20324 [2022-10-15 22:13:15,572 INFO L226 Difference]: Without dead ends: 20322 [2022-10-15 22:13:15,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:15,586 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 968 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:15,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1317 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:13:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20322 states. [2022-10-15 22:13:17,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20322 to 19326. [2022-10-15 22:13:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19326 states, 19312 states have (on average 1.5471727423363713) internal successors, (29879), 19325 states have internal predecessors, (29879), 0 states have call successors, (0), 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 22:13:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19326 states to 19326 states and 29879 transitions. [2022-10-15 22:13:17,410 INFO L78 Accepts]: Start accepts. Automaton has 19326 states and 29879 transitions. Word has length 101 [2022-10-15 22:13:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:17,411 INFO L495 AbstractCegarLoop]: Abstraction has 19326 states and 29879 transitions. [2022-10-15 22:13:17,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 19326 states and 29879 transitions. [2022-10-15 22:13:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 22:13:17,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:17,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:17,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:13:17,416 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1492259551, now seen corresponding path program 1 times [2022-10-15 22:13:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:17,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546661089] [2022-10-15 22:13:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:17,575 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 22:13:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:17,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546661089] [2022-10-15 22:13:17,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546661089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:17,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:17,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:17,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875615478] [2022-10-15 22:13:17,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:17,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:17,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:17,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:17,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:17,577 INFO L87 Difference]: Start difference. First operand 19326 states and 29879 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:19,583 INFO L93 Difference]: Finished difference Result 21886 states and 33809 transitions. [2022-10-15 22:13:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 22:13:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:19,611 INFO L225 Difference]: With dead ends: 21886 [2022-10-15 22:13:19,612 INFO L226 Difference]: Without dead ends: 21884 [2022-10-15 22:13:19,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:19,618 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 962 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:19,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 1337 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:13:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21884 states. [2022-10-15 22:13:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21884 to 21085. [2022-10-15 22:13:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21085 states, 21071 states have (on average 1.54771961463623) internal successors, (32612), 21084 states have internal predecessors, (32612), 0 states have call successors, (0), 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 22:13:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21085 states to 21085 states and 32612 transitions. [2022-10-15 22:13:21,343 INFO L78 Accepts]: Start accepts. Automaton has 21085 states and 32612 transitions. Word has length 101 [2022-10-15 22:13:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:21,343 INFO L495 AbstractCegarLoop]: Abstraction has 21085 states and 32612 transitions. [2022-10-15 22:13:21,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:13:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 21085 states and 32612 transitions. [2022-10-15 22:13:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:13:21,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:21,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:21,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:13:21,353 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 99249586, now seen corresponding path program 1 times [2022-10-15 22:13:21,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:21,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184182038] [2022-10-15 22:13:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:21,528 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 22:13:21,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:21,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184182038] [2022-10-15 22:13:21,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184182038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:21,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:21,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:21,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073769569] [2022-10-15 22:13:21,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:21,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:21,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:21,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:21,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:21,531 INFO L87 Difference]: Start difference. First operand 21085 states and 32612 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 22:13:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:23,417 INFO L93 Difference]: Finished difference Result 24617 states and 38192 transitions. [2022-10-15 22:13:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:23,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:13:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:23,454 INFO L225 Difference]: With dead ends: 24617 [2022-10-15 22:13:23,455 INFO L226 Difference]: Without dead ends: 24615 [2022-10-15 22:13:23,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:23,466 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 996 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:23,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 999 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:13:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24615 states. [2022-10-15 22:13:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24615 to 23813. [2022-10-15 22:13:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23813 states, 23799 states have (on average 1.548972645909492) internal successors, (36864), 23812 states have internal predecessors, (36864), 0 states have call successors, (0), 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 22:13:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 36864 transitions. [2022-10-15 22:13:25,443 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 36864 transitions. Word has length 102 [2022-10-15 22:13:25,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:25,443 INFO L495 AbstractCegarLoop]: Abstraction has 23813 states and 36864 transitions. [2022-10-15 22:13:25,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 22:13:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 36864 transitions. [2022-10-15 22:13:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:13:25,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:25,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:25,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:13:25,448 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:25,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash -5090304, now seen corresponding path program 1 times [2022-10-15 22:13:25,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:25,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170266861] [2022-10-15 22:13:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:25,566 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 22:13:25,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:25,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170266861] [2022-10-15 22:13:25,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170266861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:25,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:25,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:13:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818709634] [2022-10-15 22:13:25,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:25,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:13:25,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:25,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:13:25,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:13:25,571 INFO L87 Difference]: Start difference. First operand 23813 states and 36864 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 22:13:28,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:28,963 INFO L93 Difference]: Finished difference Result 67901 states and 105047 transitions. [2022-10-15 22:13:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:13:28,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:13:28,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:29,037 INFO L225 Difference]: With dead ends: 67901 [2022-10-15 22:13:29,038 INFO L226 Difference]: Without dead ends: 44770 [2022-10-15 22:13:29,083 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 22:13:29,084 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 214 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:29,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 680 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:13:29,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44770 states. [2022-10-15 22:13:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44770 to 42750. [2022-10-15 22:13:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42750 states, 42736 states have (on average 1.5332974541370272) internal successors, (65527), 42749 states have internal predecessors, (65527), 0 states have call successors, (0), 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 22:13:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42750 states to 42750 states and 65527 transitions. [2022-10-15 22:13:33,115 INFO L78 Accepts]: Start accepts. Automaton has 42750 states and 65527 transitions. Word has length 102 [2022-10-15 22:13:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:13:33,115 INFO L495 AbstractCegarLoop]: Abstraction has 42750 states and 65527 transitions. [2022-10-15 22:13:33,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 22:13:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 42750 states and 65527 transitions. [2022-10-15 22:13:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 22:13:33,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:13:33,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:13:33,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:13:33,124 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-15 22:13:33,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:13:33,125 INFO L85 PathProgramCache]: Analyzing trace with hash 984594530, now seen corresponding path program 1 times [2022-10-15 22:13:33,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:13:33,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412397422] [2022-10-15 22:13:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:13:33,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:13:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:13:33,315 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 22:13:33,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:13:33,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412397422] [2022-10-15 22:13:33,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412397422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:13:33,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:13:33,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:13:33,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783448626] [2022-10-15 22:13:33,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:13:33,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:13:33,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:13:33,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:13:33,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:13:33,319 INFO L87 Difference]: Start difference. First operand 42750 states and 65527 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 22:13:38,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:13:38,831 INFO L93 Difference]: Finished difference Result 59504 states and 91615 transitions. [2022-10-15 22:13:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:13:38,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-15 22:13:38,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:13:38,933 INFO L225 Difference]: With dead ends: 59504 [2022-10-15 22:13:38,933 INFO L226 Difference]: Without dead ends: 59502 [2022-10-15 22:13:38,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:13:38,951 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 990 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:13:38,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 978 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:13:38,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59502 states.