/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:41:44,454 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:41:44,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:41:44,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:41:44,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:41:44,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:41:44,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:41:44,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:41:44,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:41:44,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:41:44,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:41:44,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:41:44,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:41:44,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:41:44,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:41:44,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:41:44,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:41:44,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:41:44,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:41:44,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:41:44,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:41:44,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:41:44,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:41:44,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:41:44,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:41:44,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:41:44,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:41:44,554 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:41:44,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:41:44,554 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:41:44,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:41:44,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:41:44,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:41:44,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:41:44,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:41:44,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:41:44,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:41:44,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:41:44,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:41:44,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:41:44,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:41:44,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:41:44,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:41:44,781 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:41:44,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-09-16 10:41:44,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744593169/65b1b7b8bb8c49be95182ea477a92427/FLAG2c7fb4c08 [2022-09-16 10:41:45,222 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:41:45,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-09-16 10:41:45,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744593169/65b1b7b8bb8c49be95182ea477a92427/FLAG2c7fb4c08 [2022-09-16 10:41:45,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744593169/65b1b7b8bb8c49be95182ea477a92427 [2022-09-16 10:41:45,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:41:45,632 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:41:45,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:41:45,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:41:45,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:41:45,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:45,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c666567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45, skipping insertion in model container [2022-09-16 10:41:45,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:45,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:41:45,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:41:45,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-09-16 10:41:45,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:41:45,918 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:41:45,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-09-16 10:41:45,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:41:45,985 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:41:45,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45 WrapperNode [2022-09-16 10:41:45,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:41:45,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:41:45,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:41:45,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:41:45,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,051 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 88 [2022-09-16 10:41:46,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:41:46,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:41:46,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:41:46,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:41:46,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:41:46,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:41:46,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:41:46,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:41:46,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (1/1) ... [2022-09-16 10:41:46,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:41:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:41:46,115 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) [2022-09-16 10:41:46,125 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 [2022-09-16 10:41:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:41:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:41:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:41:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:41:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:41:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:41:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:41:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:41:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:41:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:41:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:41:46,157 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:41:46,289 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:41:46,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:41:46,431 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:41:46,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:41:46,436 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:41:46,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:41:46 BoogieIcfgContainer [2022-09-16 10:41:46,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:41:46,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:41:46,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:41:46,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:41:46,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:41:45" (1/3) ... [2022-09-16 10:41:46,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b215b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:41:46, skipping insertion in model container [2022-09-16 10:41:46,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:41:45" (2/3) ... [2022-09-16 10:41:46,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b215b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:41:46, skipping insertion in model container [2022-09-16 10:41:46,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:41:46" (3/3) ... [2022-09-16 10:41:46,445 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-09-16 10:41:46,451 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:41:46,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:41:46,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:41:46,459 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:41:46,522 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 10:41:46,551 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 109 transitions, 226 flow [2022-09-16 10:41:46,619 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 690 states, 686 states have (on average 1.9868804664723032) internal successors, (1363), 689 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:41:46,637 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;@65de1758, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:41:46,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 10:41:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 690 states, 686 states have (on average 1.9868804664723032) internal successors, (1363), 689 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-09-16 10:41:46,647 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:46,647 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] [2022-09-16 10:41:46,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1360838928, now seen corresponding path program 1 times [2022-09-16 10:41:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:46,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929658535] [2022-09-16 10:41:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:46,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:46,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929658535] [2022-09-16 10:41:46,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929658535] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:46,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:46,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:41:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768607546] [2022-09-16 10:41:46,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:46,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:41:46,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:46,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:41:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:41:46,908 INFO L87 Difference]: Start difference. First operand has 690 states, 686 states have (on average 1.9868804664723032) internal successors, (1363), 689 states have internal predecessors, (1363), 0 states have call successors, (0), 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 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,012 INFO L93 Difference]: Finished difference Result 715 states and 1333 transitions. [2022-09-16 10:41:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:41:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-09-16 10:41:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,027 INFO L225 Difference]: With dead ends: 715 [2022-09-16 10:41:47,027 INFO L226 Difference]: Without dead ends: 681 [2022-09-16 10:41:47,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:41:47,035 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 88 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 241 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:47,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-09-16 10:41:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 573. [2022-09-16 10:41:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 563 states have (on average 1.8792184724689165) internal successors, (1058), 572 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1058 transitions. [2022-09-16 10:41:47,142 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1058 transitions. Word has length 46 [2022-09-16 10:41:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,143 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 1058 transitions. [2022-09-16 10:41:47,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1058 transitions. [2022-09-16 10:41:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-09-16 10:41:47,157 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,157 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] [2022-09-16 10:41:47,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:41:47,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 763666422, now seen corresponding path program 1 times [2022-09-16 10:41:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724148348] [2022-09-16 10:41:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724148348] [2022-09-16 10:41:47,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724148348] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:41:47,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207818378] [2022-09-16 10:41:47,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:41:47,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:41:47,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:41:47,268 INFO L87 Difference]: Start difference. First operand 573 states and 1058 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,317 INFO L93 Difference]: Finished difference Result 752 states and 1388 transitions. [2022-09-16 10:41:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:41:47,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-09-16 10:41:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,323 INFO L225 Difference]: With dead ends: 752 [2022-09-16 10:41:47,323 INFO L226 Difference]: Without dead ends: 752 [2022-09-16 10:41:47,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:41:47,325 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 73 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 233 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2022-09-16 10:41:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 584. [2022-09-16 10:41:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 575 states have (on average 1.8747826086956523) internal successors, (1078), 583 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1078 transitions. [2022-09-16 10:41:47,340 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1078 transitions. Word has length 47 [2022-09-16 10:41:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,342 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 1078 transitions. [2022-09-16 10:41:47,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1078 transitions. [2022-09-16 10:41:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-09-16 10:41:47,352 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,352 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] [2022-09-16 10:41:47,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:41:47,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,353 INFO L85 PathProgramCache]: Analyzing trace with hash 393730175, now seen corresponding path program 1 times [2022-09-16 10:41:47,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146517491] [2022-09-16 10:41:47,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146517491] [2022-09-16 10:41:47,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146517491] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:41:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10772156] [2022-09-16 10:41:47,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:41:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:41:47,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:41:47,456 INFO L87 Difference]: Start difference. First operand 584 states and 1078 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 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) [2022-09-16 10:41:47,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,546 INFO L93 Difference]: Finished difference Result 715 states and 1316 transitions. [2022-09-16 10:41:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 10:41:47,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 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 [2022-09-16 10:41:47,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,549 INFO L225 Difference]: With dead ends: 715 [2022-09-16 10:41:47,549 INFO L226 Difference]: Without dead ends: 715 [2022-09-16 10:41:47,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:41:47,553 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 198 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 431 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:41:47,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2022-09-16 10:41:47,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 607. [2022-09-16 10:41:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 600 states have (on average 1.8616666666666666) internal successors, (1117), 606 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1117 transitions. [2022-09-16 10:41:47,566 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1117 transitions. Word has length 57 [2022-09-16 10:41:47,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,568 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 1117 transitions. [2022-09-16 10:41:47,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 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) [2022-09-16 10:41:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1117 transitions. [2022-09-16 10:41:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-09-16 10:41:47,570 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,570 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] [2022-09-16 10:41:47,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:41:47,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,571 INFO L85 PathProgramCache]: Analyzing trace with hash -679266213, now seen corresponding path program 1 times [2022-09-16 10:41:47,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677060240] [2022-09-16 10:41:47,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677060240] [2022-09-16 10:41:47,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677060240] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:41:47,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819717862] [2022-09-16 10:41:47,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:41:47,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:41:47,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:41:47,650 INFO L87 Difference]: Start difference. First operand 607 states and 1117 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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) [2022-09-16 10:41:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,723 INFO L93 Difference]: Finished difference Result 762 states and 1389 transitions. [2022-09-16 10:41:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 10:41:47,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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 [2022-09-16 10:41:47,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,725 INFO L225 Difference]: With dead ends: 762 [2022-09-16 10:41:47,725 INFO L226 Difference]: Without dead ends: 617 [2022-09-16 10:41:47,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:41:47,731 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 139 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 500 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-09-16 10:41:47,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 605. [2022-09-16 10:41:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 599 states have (on average 1.8464106844741235) internal successors, (1106), 604 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1106 transitions. [2022-09-16 10:41:47,742 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1106 transitions. Word has length 58 [2022-09-16 10:41:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,744 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 1106 transitions. [2022-09-16 10:41:47,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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) [2022-09-16 10:41:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1106 transitions. [2022-09-16 10:41:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-09-16 10:41:47,745 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:41:47,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,746 INFO L85 PathProgramCache]: Analyzing trace with hash -202730130, now seen corresponding path program 1 times [2022-09-16 10:41:47,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724508261] [2022-09-16 10:41:47,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724508261] [2022-09-16 10:41:47,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724508261] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:41:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029157790] [2022-09-16 10:41:47,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:41:47,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:41:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:41:47,817 INFO L87 Difference]: Start difference. First operand 605 states and 1106 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,828 INFO L93 Difference]: Finished difference Result 208 states and 317 transitions. [2022-09-16 10:41:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:41:47,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-09-16 10:41:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,830 INFO L225 Difference]: With dead ends: 208 [2022-09-16 10:41:47,830 INFO L226 Difference]: Without dead ends: 166 [2022-09-16 10:41:47,830 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 [2022-09-16 10:41:47,830 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 38 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 127 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:47,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-09-16 10:41:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-09-16 10:41:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 162 states have (on average 1.5246913580246915) internal successors, (247), 165 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2022-09-16 10:41:47,834 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 59 [2022-09-16 10:41:47,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,834 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2022-09-16 10:41:47,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2022-09-16 10:41:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:41:47,835 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:41:47,835 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash 511057853, now seen corresponding path program 1 times [2022-09-16 10:41:47,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172489300] [2022-09-16 10:41:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:47,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:47,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172489300] [2022-09-16 10:41:47,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172489300] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:47,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:47,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:41:47,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029402371] [2022-09-16 10:41:47,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:47,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:41:47,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:47,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:41:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:41:47,919 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,952 INFO L93 Difference]: Finished difference Result 163 states and 242 transitions. [2022-09-16 10:41:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 10:41:47,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-09-16 10:41:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,953 INFO L225 Difference]: With dead ends: 163 [2022-09-16 10:41:47,953 INFO L226 Difference]: Without dead ends: 163 [2022-09-16 10:41:47,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:41:47,955 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 52 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 209 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-09-16 10:41:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2022-09-16 10:41:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 160 states have (on average 1.5125) internal successors, (242), 162 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2022-09-16 10:41:47,959 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 66 [2022-09-16 10:41:47,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,959 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2022-09-16 10:41:47,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2022-09-16 10:41:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-09-16 10:41:47,960 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:41:47,960 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1337075511, now seen corresponding path program 1 times [2022-09-16 10:41:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489676436] [2022-09-16 10:41:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489676436] [2022-09-16 10:41:48,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489676436] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:41:48,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062756906] [2022-09-16 10:41:48,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:41:48,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:41:48,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:41:48,034 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:48,059 INFO L93 Difference]: Finished difference Result 160 states and 237 transitions. [2022-09-16 10:41:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:41:48,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-09-16 10:41:48,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:48,060 INFO L225 Difference]: With dead ends: 160 [2022-09-16 10:41:48,060 INFO L226 Difference]: Without dead ends: 160 [2022-09-16 10:41:48,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:41:48,062 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 50 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:48,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 203 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-09-16 10:41:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-09-16 10:41:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 158 states have (on average 1.5) internal successors, (237), 159 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2022-09-16 10:41:48,065 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 67 [2022-09-16 10:41:48,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:48,065 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2022-09-16 10:41:48,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2022-09-16 10:41:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:41:48,066 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:48,066 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] [2022-09-16 10:41:48,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:41:48,066 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash 848979346, now seen corresponding path program 1 times [2022-09-16 10:41:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:48,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513842313] [2022-09-16 10:41:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:48,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513842313] [2022-09-16 10:41:48,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513842313] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-16 10:41:48,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116497191] [2022-09-16 10:41:48,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:41:48,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:41:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:41:48,110 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 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) [2022-09-16 10:41:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:48,158 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2022-09-16 10:41:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 10:41:48,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 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 [2022-09-16 10:41:48,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:48,159 INFO L225 Difference]: With dead ends: 157 [2022-09-16 10:41:48,159 INFO L226 Difference]: Without dead ends: 157 [2022-09-16 10:41:48,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-09-16 10:41:48,160 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 114 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:48,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 271 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-09-16 10:41:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-09-16 10:41:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.4871794871794872) internal successors, (232), 156 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2022-09-16 10:41:48,163 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 77 [2022-09-16 10:41:48,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:48,163 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2022-09-16 10:41:48,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 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) [2022-09-16 10:41:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2022-09-16 10:41:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-09-16 10:41:48,164 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:48,164 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] [2022-09-16 10:41:48,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:41:48,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 10:41:48,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash 548556200, now seen corresponding path program 1 times [2022-09-16 10:41:48,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:48,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929382624] [2022-09-16 10:41:48,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:48,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929382624] [2022-09-16 10:41:48,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929382624] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-16 10:41:48,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136877634] [2022-09-16 10:41:48,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:41:48,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:41:48,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:41:48,209 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:48,255 INFO L93 Difference]: Finished difference Result 154 states and 227 transitions. [2022-09-16 10:41:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 10:41:48,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-09-16 10:41:48,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:48,256 INFO L225 Difference]: With dead ends: 154 [2022-09-16 10:41:48,256 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:41:48,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-09-16 10:41:48,257 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 53 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:48,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 325 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:41:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:41:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:41:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:41:48,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-09-16 10:41:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:48,258 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:41:48,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:41:48,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:41:48,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 10:41:48,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 10:41:48,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-09-16 10:41:48,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-09-16 10:41:48,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 10:41:48,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:41:48,263 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:48,265 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:41:48,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:41:48,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:41:48 BasicIcfg [2022-09-16 10:41:48,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:41:48,267 INFO L158 Benchmark]: Toolchain (without parser) took 2635.10ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 163.6MB in the beginning and 162.3MB in the end (delta: 1.3MB). Peak memory consumption was 40.5MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,267 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 199.2MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:41:48,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.36ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 163.4MB in the beginning and 197.6MB in the end (delta: -34.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.31ms. Allocated memory is still 239.1MB. Free memory was 197.6MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,268 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 239.1MB. Free memory was 195.5MB in the beginning and 194.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,268 INFO L158 Benchmark]: RCFGBuilder took 354.09ms. Allocated memory is still 239.1MB. Free memory was 194.1MB in the beginning and 180.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,268 INFO L158 Benchmark]: TraceAbstraction took 1827.78ms. Allocated memory is still 239.1MB. Free memory was 180.1MB in the beginning and 162.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. [2022-09-16 10:41:48,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 199.2MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.36ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 163.4MB in the beginning and 197.6MB in the end (delta: -34.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.31ms. Allocated memory is still 239.1MB. Free memory was 197.6MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 239.1MB. Free memory was 195.5MB in the beginning and 194.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 354.09ms. Allocated memory is still 239.1MB. Free memory was 194.1MB in the beginning and 180.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1827.78ms. Allocated memory is still 239.1MB. Free memory was 180.1MB in the beginning and 162.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 805 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 805 mSDsluCounter, 2540 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1671 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 390 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 884 mSDtfsCounter, 390 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=690occurred in iteration=0, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 396 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:41:48,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...