/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:41:43,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:41:43,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:41:43,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:41:43,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:41:43,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:41:43,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:41:43,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:41:43,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:41:43,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:41:43,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:41:43,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 15:41:44,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:41:44,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:41:44,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:41:44,006 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 [2022-10-16 15:41:44,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:41:44,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:41:44,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:41:44,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:41:44,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:41:44,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:41:44,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:41:44,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:41:44,038 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:41:44,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:41:44,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:41:44,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:41:44,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:41:44,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:41:44,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:41:44,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:41:44,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:41:44,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:41:44,040 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:41:44,040 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:41:44,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:41:44,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:41:44,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:41:44,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:41:44,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:41:44,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:41:44,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:41:44,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:41:44,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:41:44,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:41:44,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:41:44,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:41:44,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:41:44,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:41:44,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:41:44,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:41:44,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:41:44,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:41:44,451 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:41:44,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:41:44,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a87f8893/58a039b3d28240258de696de7bd6c373/FLAG84f093c0e [2022-10-16 15:41:45,311 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:41:45,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:41:45,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a87f8893/58a039b3d28240258de696de7bd6c373/FLAG84f093c0e [2022-10-16 15:41:45,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a87f8893/58a039b3d28240258de696de7bd6c373 [2022-10-16 15:41:45,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:41:45,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:41:45,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:41:45,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:41:45,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:41:45,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4270cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:45, skipping insertion in model container [2022-10-16 15:41:45,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:41:45" (1/1) ... [2022-10-16 15:41:45,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:41:45,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:41:46,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13980,13993] [2022-10-16 15:41:46,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14627,14640] [2022-10-16 15:41:46,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15903,15916] [2022-10-16 15:41:46,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16879,16892] [2022-10-16 15:41:46,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25350,25363] [2022-10-16 15:41:46,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:41:46,270 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:41:46,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13980,13993] [2022-10-16 15:41:46,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14627,14640] [2022-10-16 15:41:46,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15903,15916] [2022-10-16 15:41:46,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16879,16892] [2022-10-16 15:41:46,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25350,25363] [2022-10-16 15:41:46,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:41:46,584 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:41:46,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46 WrapperNode [2022-10-16 15:41:46,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:41:46,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:41:46,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:41:46,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:41:46,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,711 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1749 [2022-10-16 15:41:46,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:41:46,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:41:46,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:41:46,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:41:46,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:41:46,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:41:46,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:41:46,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:41:46,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (1/1) ... [2022-10-16 15:41:46,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:41:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:41:46,861 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) [2022-10-16 15:41:46,873 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 [2022-10-16 15:41:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:41:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:41:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:41:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:41:47,186 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:41:47,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:41:48,938 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:41:48,963 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:41:48,964 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:41:48,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:41:48 BoogieIcfgContainer [2022-10-16 15:41:48,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:41:48,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:41:48,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:41:48,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:41:48,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:41:45" (1/3) ... [2022-10-16 15:41:48,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d47e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:41:48, skipping insertion in model container [2022-10-16 15:41:48,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:41:46" (2/3) ... [2022-10-16 15:41:48,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d47e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:41:48, skipping insertion in model container [2022-10-16 15:41:48,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:41:48" (3/3) ... [2022-10-16 15:41:48,983 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:41:49,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:41:49,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 202 error locations. [2022-10-16 15:41:49,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:41:49,125 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;@111c37c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:41:49,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 202 error locations. [2022-10-16 15:41:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 773 states, 570 states have (on average 1.8877192982456141) internal successors, (1076), 772 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:41:49,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:49,149 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] [2022-10-16 15:41:49,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:49,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1283286765, now seen corresponding path program 1 times [2022-10-16 15:41:49,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:49,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801303513] [2022-10-16 15:41:49,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:49,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:49,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:49,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801303513] [2022-10-16 15:41:49,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801303513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:49,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:49,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:49,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133155368] [2022-10-16 15:41:49,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:49,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:49,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:49,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:49,869 INFO L87 Difference]: Start difference. First operand has 773 states, 570 states have (on average 1.8877192982456141) internal successors, (1076), 772 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:50,586 INFO L93 Difference]: Finished difference Result 1053 states and 1484 transitions. [2022-10-16 15:41:50,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:41:50,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 15:41:50,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:50,612 INFO L225 Difference]: With dead ends: 1053 [2022-10-16 15:41:50,612 INFO L226 Difference]: Without dead ends: 994 [2022-10-16 15:41:50,617 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 [2022-10-16 15:41:50,621 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 1682 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:50,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 1651 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:41:50,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2022-10-16 15:41:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 837. [2022-10-16 15:41:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 671 states have (on average 1.6140089418777943) internal successors, (1083), 836 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1083 transitions. [2022-10-16 15:41:50,745 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1083 transitions. Word has length 52 [2022-10-16 15:41:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:50,746 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1083 transitions. [2022-10-16 15:41:50,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1083 transitions. [2022-10-16 15:41:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 15:41:50,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:50,764 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] [2022-10-16 15:41:50,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:41:50,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1127184282, now seen corresponding path program 1 times [2022-10-16 15:41:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:50,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82938691] [2022-10-16 15:41:50,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82938691] [2022-10-16 15:41:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82938691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:50,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:50,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658626458] [2022-10-16 15:41:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:50,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:50,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:50,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:50,942 INFO L87 Difference]: Start difference. First operand 837 states and 1083 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:51,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:51,300 INFO L93 Difference]: Finished difference Result 971 states and 1277 transitions. [2022-10-16 15:41:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:51,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 15:41:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:51,307 INFO L225 Difference]: With dead ends: 971 [2022-10-16 15:41:51,307 INFO L226 Difference]: Without dead ends: 953 [2022-10-16 15:41:51,308 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 [2022-10-16 15:41:51,310 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1693 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:51,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 960 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:51,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-10-16 15:41:51,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 933. [2022-10-16 15:41:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 782 states have (on average 1.60613810741688) internal successors, (1256), 932 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1256 transitions. [2022-10-16 15:41:51,366 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1256 transitions. Word has length 53 [2022-10-16 15:41:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:51,366 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1256 transitions. [2022-10-16 15:41:51,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1256 transitions. [2022-10-16 15:41:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:41:51,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:51,369 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] [2022-10-16 15:41:51,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:41:51,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:51,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:51,370 INFO L85 PathProgramCache]: Analyzing trace with hash 582974607, now seen corresponding path program 1 times [2022-10-16 15:41:51,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:51,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943984451] [2022-10-16 15:41:51,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:51,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:51,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:51,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943984451] [2022-10-16 15:41:51,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943984451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:51,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:51,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:41:51,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956202756] [2022-10-16 15:41:51,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:51,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:41:51,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:51,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:41:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:51,539 INFO L87 Difference]: Start difference. First operand 933 states and 1256 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:52,295 INFO L93 Difference]: Finished difference Result 1941 states and 2784 transitions. [2022-10-16 15:41:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:41:52,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 15:41:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:52,305 INFO L225 Difference]: With dead ends: 1941 [2022-10-16 15:41:52,305 INFO L226 Difference]: Without dead ends: 1574 [2022-10-16 15:41:52,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:41:52,310 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 2520 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:52,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 2353 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:41:52,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-10-16 15:41:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1258. [2022-10-16 15:41:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1115 states have (on average 1.619730941704036) internal successors, (1806), 1257 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1806 transitions. [2022-10-16 15:41:52,392 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1806 transitions. Word has length 54 [2022-10-16 15:41:52,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:52,393 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1806 transitions. [2022-10-16 15:41:52,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1806 transitions. [2022-10-16 15:41:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:41:52,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:52,395 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] [2022-10-16 15:41:52,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:41:52,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:52,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:52,396 INFO L85 PathProgramCache]: Analyzing trace with hash 892343868, now seen corresponding path program 1 times [2022-10-16 15:41:52,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:52,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795236107] [2022-10-16 15:41:52,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:52,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:52,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:52,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795236107] [2022-10-16 15:41:52,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795236107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:52,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:52,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:41:52,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425842157] [2022-10-16 15:41:52,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:52,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:41:52,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:52,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:41:52,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:41:52,524 INFO L87 Difference]: Start difference. First operand 1258 states and 1806 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:53,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:53,146 INFO L93 Difference]: Finished difference Result 1537 states and 2191 transitions. [2022-10-16 15:41:53,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:41:53,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-16 15:41:53,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:53,155 INFO L225 Difference]: With dead ends: 1537 [2022-10-16 15:41:53,155 INFO L226 Difference]: Without dead ends: 1520 [2022-10-16 15:41:53,157 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 [2022-10-16 15:41:53,160 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 2840 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:53,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 1324 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:41:53,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-10-16 15:41:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1466. [2022-10-16 15:41:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1335 states have (on average 1.6172284644194757) internal successors, (2159), 1465 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2159 transitions. [2022-10-16 15:41:53,260 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2159 transitions. Word has length 55 [2022-10-16 15:41:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:53,261 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 2159 transitions. [2022-10-16 15:41:53,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2159 transitions. [2022-10-16 15:41:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:41:53,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:53,263 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] [2022-10-16 15:41:53,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:41:53,264 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1450994434, now seen corresponding path program 1 times [2022-10-16 15:41:53,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:53,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967910401] [2022-10-16 15:41:53,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:53,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:53,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:53,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967910401] [2022-10-16 15:41:53,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967910401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:53,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:53,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:53,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003545375] [2022-10-16 15:41:53,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:53,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:53,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:53,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:53,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:53,384 INFO L87 Difference]: Start difference. First operand 1466 states and 2159 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:53,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:53,866 INFO L93 Difference]: Finished difference Result 1822 states and 2721 transitions. [2022-10-16 15:41:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:41:53,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-16 15:41:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:53,880 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 15:41:53,880 INFO L226 Difference]: Without dead ends: 1819 [2022-10-16 15:41:53,882 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 [2022-10-16 15:41:53,885 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 926 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:53,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1344 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:53,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-10-16 15:41:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1463. [2022-10-16 15:41:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1335 states have (on average 1.6149812734082396) internal successors, (2156), 1462 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2156 transitions. [2022-10-16 15:41:53,995 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2156 transitions. Word has length 57 [2022-10-16 15:41:53,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:53,996 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2156 transitions. [2022-10-16 15:41:53,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2156 transitions. [2022-10-16 15:41:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:41:54,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:54,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:41:54,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:41:54,013 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash -2031154252, now seen corresponding path program 1 times [2022-10-16 15:41:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:54,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642681198] [2022-10-16 15:41:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:54,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:54,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642681198] [2022-10-16 15:41:54,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642681198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:54,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:54,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:54,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493372074] [2022-10-16 15:41:54,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:54,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:54,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:54,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:54,175 INFO L87 Difference]: Start difference. First operand 1463 states and 2156 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:54,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:54,647 INFO L93 Difference]: Finished difference Result 2154 states and 3289 transitions. [2022-10-16 15:41:54,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:54,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:41:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:54,660 INFO L225 Difference]: With dead ends: 2154 [2022-10-16 15:41:54,661 INFO L226 Difference]: Without dead ends: 2147 [2022-10-16 15:41:54,662 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 [2022-10-16 15:41:54,663 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 1594 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:54,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 899 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:54,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-10-16 15:41:54,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2117. [2022-10-16 15:41:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1995 states have (on average 1.6355889724310777) internal successors, (3263), 2116 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3263 transitions. [2022-10-16 15:41:54,829 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3263 transitions. Word has length 58 [2022-10-16 15:41:54,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:54,830 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 3263 transitions. [2022-10-16 15:41:54,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3263 transitions. [2022-10-16 15:41:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:41:54,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:54,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:41:54,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:41:54,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:54,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2024075946, now seen corresponding path program 1 times [2022-10-16 15:41:54,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:54,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435370918] [2022-10-16 15:41:54,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:54,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:54,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:54,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435370918] [2022-10-16 15:41:54,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435370918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:54,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:54,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:54,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778260897] [2022-10-16 15:41:54,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:54,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:54,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:54,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:54,944 INFO L87 Difference]: Start difference. First operand 2117 states and 3263 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:55,552 INFO L93 Difference]: Finished difference Result 3294 states and 5173 transitions. [2022-10-16 15:41:55,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:55,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:41:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:55,570 INFO L225 Difference]: With dead ends: 3294 [2022-10-16 15:41:55,570 INFO L226 Difference]: Without dead ends: 3290 [2022-10-16 15:41:55,572 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 [2022-10-16 15:41:55,573 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 1552 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:55,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 863 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2022-10-16 15:41:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3270. [2022-10-16 15:41:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3151 states have (on average 1.6274198667089812) internal successors, (5128), 3269 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 5128 transitions. [2022-10-16 15:41:55,868 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 5128 transitions. Word has length 60 [2022-10-16 15:41:55,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:55,868 INFO L495 AbstractCegarLoop]: Abstraction has 3270 states and 5128 transitions. [2022-10-16 15:41:55,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 5128 transitions. [2022-10-16 15:41:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:41:55,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:55,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:41:55,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:41:55,870 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1678155363, now seen corresponding path program 1 times [2022-10-16 15:41:55,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:55,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356979170] [2022-10-16 15:41:55,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:55,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:55,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:55,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356979170] [2022-10-16 15:41:55,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356979170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:55,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:55,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:55,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078074021] [2022-10-16 15:41:55,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:55,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:55,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:55,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:55,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:55,976 INFO L87 Difference]: Start difference. First operand 3270 states and 5128 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:56,907 INFO L93 Difference]: Finished difference Result 5837 states and 9347 transitions. [2022-10-16 15:41:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:41:56,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:41:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:56,941 INFO L225 Difference]: With dead ends: 5837 [2022-10-16 15:41:56,942 INFO L226 Difference]: Without dead ends: 5832 [2022-10-16 15:41:56,947 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 [2022-10-16 15:41:56,948 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1375 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:56,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 1040 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:41:56,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2022-10-16 15:41:57,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5794. [2022-10-16 15:41:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5679 states have (on average 1.6353231202676528) internal successors, (9287), 5793 states have internal predecessors, (9287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 9287 transitions. [2022-10-16 15:41:57,534 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 9287 transitions. Word has length 61 [2022-10-16 15:41:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:57,535 INFO L495 AbstractCegarLoop]: Abstraction has 5794 states and 9287 transitions. [2022-10-16 15:41:57,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 9287 transitions. [2022-10-16 15:41:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:41:57,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:57,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:41:57,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:41:57,537 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:57,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2094575909, now seen corresponding path program 1 times [2022-10-16 15:41:57,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:57,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441524588] [2022-10-16 15:41:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:57,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441524588] [2022-10-16 15:41:57,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441524588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:57,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:57,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:57,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024161428] [2022-10-16 15:41:57,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:57,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:57,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:57,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:57,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:57,629 INFO L87 Difference]: Start difference. First operand 5794 states and 9287 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:41:58,758 INFO L93 Difference]: Finished difference Result 10665 states and 17299 transitions. [2022-10-16 15:41:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:41:58,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:41:58,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:41:58,813 INFO L225 Difference]: With dead ends: 10665 [2022-10-16 15:41:58,814 INFO L226 Difference]: Without dead ends: 10662 [2022-10-16 15:41:58,818 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 [2022-10-16 15:41:58,819 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 1028 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:41:58,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1330 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:41:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-10-16 15:41:59,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 5791. [2022-10-16 15:41:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5791 states, 5679 states have (on average 1.6347948582496918) internal successors, (9284), 5790 states have internal predecessors, (9284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5791 states to 5791 states and 9284 transitions. [2022-10-16 15:41:59,461 INFO L78 Accepts]: Start accepts. Automaton has 5791 states and 9284 transitions. Word has length 63 [2022-10-16 15:41:59,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:41:59,461 INFO L495 AbstractCegarLoop]: Abstraction has 5791 states and 9284 transitions. [2022-10-16 15:41:59,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:41:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 9284 transitions. [2022-10-16 15:41:59,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:41:59,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:41:59,463 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] [2022-10-16 15:41:59,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:41:59,463 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:41:59,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:41:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 507343995, now seen corresponding path program 1 times [2022-10-16 15:41:59,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:41:59,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110183646] [2022-10-16 15:41:59,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:41:59,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:41:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:41:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:41:59,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:41:59,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110183646] [2022-10-16 15:41:59,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110183646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:41:59,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:41:59,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:41:59,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725752935] [2022-10-16 15:41:59,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:41:59,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:41:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:41:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:41:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:41:59,552 INFO L87 Difference]: Start difference. First operand 5791 states and 9284 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) [2022-10-16 15:42:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:00,733 INFO L93 Difference]: Finished difference Result 11048 states and 17926 transitions. [2022-10-16 15:42:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:00,734 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 [2022-10-16 15:42:00,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:00,766 INFO L225 Difference]: With dead ends: 11048 [2022-10-16 15:42:00,766 INFO L226 Difference]: Without dead ends: 11041 [2022-10-16 15:42:00,771 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 [2022-10-16 15:42:00,772 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 1614 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:00,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 977 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-10-16 15:42:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 10961. [2022-10-16 15:42:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10961 states, 10855 states have (on average 1.6379548595117457) internal successors, (17780), 10960 states have internal predecessors, (17780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10961 states to 10961 states and 17780 transitions. [2022-10-16 15:42:01,748 INFO L78 Accepts]: Start accepts. Automaton has 10961 states and 17780 transitions. Word has length 64 [2022-10-16 15:42:01,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:01,748 INFO L495 AbstractCegarLoop]: Abstraction has 10961 states and 17780 transitions. [2022-10-16 15:42:01,749 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) [2022-10-16 15:42:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 10961 states and 17780 transitions. [2022-10-16 15:42:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:42:01,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:01,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:01,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:42:01,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:01,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:01,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1695312983, now seen corresponding path program 1 times [2022-10-16 15:42:01,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:01,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101393957] [2022-10-16 15:42:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:01,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:01,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101393957] [2022-10-16 15:42:01,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101393957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:01,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:01,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767541801] [2022-10-16 15:42:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:01,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:01,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:01,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:01,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:01,850 INFO L87 Difference]: Start difference. First operand 10961 states and 17780 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:03,661 INFO L93 Difference]: Finished difference Result 19855 states and 32452 transitions. [2022-10-16 15:42:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:42:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:03,720 INFO L225 Difference]: With dead ends: 19855 [2022-10-16 15:42:03,720 INFO L226 Difference]: Without dead ends: 19852 [2022-10-16 15:42:03,729 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 [2022-10-16 15:42:03,730 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 848 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:03,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1800 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:03,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19852 states. [2022-10-16 15:42:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19852 to 10958. [2022-10-16 15:42:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10958 states, 10855 states have (on average 1.6376784891754952) internal successors, (17777), 10957 states have internal predecessors, (17777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10958 states to 10958 states and 17777 transitions. [2022-10-16 15:42:04,886 INFO L78 Accepts]: Start accepts. Automaton has 10958 states and 17777 transitions. Word has length 74 [2022-10-16 15:42:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:04,886 INFO L495 AbstractCegarLoop]: Abstraction has 10958 states and 17777 transitions. [2022-10-16 15:42:04,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 10958 states and 17777 transitions. [2022-10-16 15:42:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:42:04,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:04,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:04,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:42:04,889 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1015094634, now seen corresponding path program 1 times [2022-10-16 15:42:04,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:04,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362082955] [2022-10-16 15:42:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:04,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:04,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362082955] [2022-10-16 15:42:04,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362082955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:04,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:04,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:04,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128068044] [2022-10-16 15:42:04,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:04,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:04,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:04,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:04,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:04,997 INFO L87 Difference]: Start difference. First operand 10958 states and 17777 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:06,816 INFO L93 Difference]: Finished difference Result 20037 states and 32698 transitions. [2022-10-16 15:42:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:06,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:42:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:06,865 INFO L225 Difference]: With dead ends: 20037 [2022-10-16 15:42:06,865 INFO L226 Difference]: Without dead ends: 20028 [2022-10-16 15:42:06,875 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 [2022-10-16 15:42:06,876 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 1570 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:06,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 995 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20028 states. [2022-10-16 15:42:09,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20028 to 20006. [2022-10-16 15:42:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20006 states, 19910 states have (on average 1.6363134103465595) internal successors, (32579), 20005 states have internal predecessors, (32579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20006 states to 20006 states and 32579 transitions. [2022-10-16 15:42:09,262 INFO L78 Accepts]: Start accepts. Automaton has 20006 states and 32579 transitions. Word has length 75 [2022-10-16 15:42:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:09,262 INFO L495 AbstractCegarLoop]: Abstraction has 20006 states and 32579 transitions. [2022-10-16 15:42:09,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20006 states and 32579 transitions. [2022-10-16 15:42:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:42:09,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:09,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:09,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:42:09,264 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1403162293, now seen corresponding path program 1 times [2022-10-16 15:42:09,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:09,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604016147] [2022-10-16 15:42:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:09,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:09,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:09,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604016147] [2022-10-16 15:42:09,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604016147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:09,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:09,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:09,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886833758] [2022-10-16 15:42:09,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:09,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:09,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:09,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:09,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:09,382 INFO L87 Difference]: Start difference. First operand 20006 states and 32579 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:14,459 INFO L93 Difference]: Finished difference Result 69273 states and 113503 transitions. [2022-10-16 15:42:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:42:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:42:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:14,612 INFO L225 Difference]: With dead ends: 69273 [2022-10-16 15:42:14,612 INFO L226 Difference]: Without dead ends: 49775 [2022-10-16 15:42:14,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:42:14,670 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 1511 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:14,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 2785 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:42:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49775 states. [2022-10-16 15:42:18,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49775 to 34269. [2022-10-16 15:42:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34269 states, 34176 states have (on average 1.6328417602996255) internal successors, (55804), 34268 states have internal predecessors, (55804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34269 states to 34269 states and 55804 transitions. [2022-10-16 15:42:18,382 INFO L78 Accepts]: Start accepts. Automaton has 34269 states and 55804 transitions. Word has length 76 [2022-10-16 15:42:18,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:18,383 INFO L495 AbstractCegarLoop]: Abstraction has 34269 states and 55804 transitions. [2022-10-16 15:42:18,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34269 states and 55804 transitions. [2022-10-16 15:42:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:42:18,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:18,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:18,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:42:18,384 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:18,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:18,385 INFO L85 PathProgramCache]: Analyzing trace with hash -548357832, now seen corresponding path program 1 times [2022-10-16 15:42:18,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:18,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809365381] [2022-10-16 15:42:18,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:18,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:18,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:18,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809365381] [2022-10-16 15:42:18,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809365381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:18,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:18,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:18,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907327282] [2022-10-16 15:42:18,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:18,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:18,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:18,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:18,589 INFO L87 Difference]: Start difference. First operand 34269 states and 55804 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:24,540 INFO L93 Difference]: Finished difference Result 50635 states and 82647 transitions. [2022-10-16 15:42:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:42:24,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:42:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:24,693 INFO L225 Difference]: With dead ends: 50635 [2022-10-16 15:42:24,693 INFO L226 Difference]: Without dead ends: 50626 [2022-10-16 15:42:24,713 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 [2022-10-16 15:42:24,716 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 2688 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:24,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 1462 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:42:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50626 states. [2022-10-16 15:42:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50626 to 50561. [2022-10-16 15:42:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50561 states, 50473 states have (on average 1.6288906940344343) internal successors, (82215), 50560 states have internal predecessors, (82215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50561 states to 50561 states and 82215 transitions. [2022-10-16 15:42:30,093 INFO L78 Accepts]: Start accepts. Automaton has 50561 states and 82215 transitions. Word has length 77 [2022-10-16 15:42:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:30,094 INFO L495 AbstractCegarLoop]: Abstraction has 50561 states and 82215 transitions. [2022-10-16 15:42:30,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 50561 states and 82215 transitions. [2022-10-16 15:42:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 15:42:30,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:30,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:30,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:42:30,102 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:30,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash 985903635, now seen corresponding path program 1 times [2022-10-16 15:42:30,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:30,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708265353] [2022-10-16 15:42:30,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:30,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:30,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:30,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708265353] [2022-10-16 15:42:30,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708265353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:30,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:30,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:30,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607812093] [2022-10-16 15:42:30,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:30,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:30,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:30,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:30,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:30,397 INFO L87 Difference]: Start difference. First operand 50561 states and 82215 transitions. Second operand has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:39,222 INFO L93 Difference]: Finished difference Result 84926 states and 138542 transitions. [2022-10-16 15:42:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:39,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-10-16 15:42:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:39,429 INFO L225 Difference]: With dead ends: 84926 [2022-10-16 15:42:39,429 INFO L226 Difference]: Without dead ends: 84918 [2022-10-16 15:42:39,455 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 [2022-10-16 15:42:39,456 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 503 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:39,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1832 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:42:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84918 states. [2022-10-16 15:42:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84918 to 84876. [2022-10-16 15:42:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84876 states, 84790 states have (on average 1.61622832881236) internal successors, (137040), 84875 states have internal predecessors, (137040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84876 states to 84876 states and 137040 transitions. [2022-10-16 15:42:48,928 INFO L78 Accepts]: Start accepts. Automaton has 84876 states and 137040 transitions. Word has length 199 [2022-10-16 15:42:48,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:48,929 INFO L495 AbstractCegarLoop]: Abstraction has 84876 states and 137040 transitions. [2022-10-16 15:42:48,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 84876 states and 137040 transitions. [2022-10-16 15:42:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 15:42:48,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:48,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:48,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:42:48,932 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:42:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:48,932 INFO L85 PathProgramCache]: Analyzing trace with hash 723203187, now seen corresponding path program 1 times [2022-10-16 15:42:48,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:48,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891283490] [2022-10-16 15:42:48,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:48,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:49,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891283490] [2022-10-16 15:42:49,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891283490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:49,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:49,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:49,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699224798] [2022-10-16 15:42:49,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:49,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:49,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:49,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:49,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:49,128 INFO L87 Difference]: Start difference. First operand 84876 states and 137040 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:03,792 INFO L93 Difference]: Finished difference Result 211078 states and 341017 transitions. [2022-10-16 15:43:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:03,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-10-16 15:43:03,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:04,163 INFO L225 Difference]: With dead ends: 211078 [2022-10-16 15:43:04,164 INFO L226 Difference]: Without dead ends: 126566 [2022-10-16 15:43:04,308 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 [2022-10-16 15:43:04,311 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 410 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:04,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1508 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:43:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126566 states. [2022-10-16 15:43:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126566 to 126325. [2022-10-16 15:43:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126325 states, 126239 states have (on average 1.6157130522263325) internal successors, (203966), 126324 states have internal predecessors, (203966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126325 states to 126325 states and 203966 transitions. [2022-10-16 15:43:18,703 INFO L78 Accepts]: Start accepts. Automaton has 126325 states and 203966 transitions. Word has length 199 [2022-10-16 15:43:18,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:18,704 INFO L495 AbstractCegarLoop]: Abstraction has 126325 states and 203966 transitions. [2022-10-16 15:43:18,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 126325 states and 203966 transitions. [2022-10-16 15:43:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 15:43:18,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:18,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:43:18,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:43:18,707 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-16 15:43:18,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1860015949, now seen corresponding path program 1 times [2022-10-16 15:43:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:18,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301878284] [2022-10-16 15:43:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:43:18,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:18,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301878284] [2022-10-16 15:43:18,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301878284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:18,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:18,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:43:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466600581] [2022-10-16 15:43:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:18,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:18,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:18,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:18,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:18,867 INFO L87 Difference]: Start difference. First operand 126325 states and 203966 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)