/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/pthread-wmm/mix037.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:29:02,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:29:02,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:29:02,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:29:02,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:29:02,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:29:02,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:29:02,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:29:02,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:29:02,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:29:02,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:29:02,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:29:02,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:29:02,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:29:02,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:29:02,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:29:02,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:29:02,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:29:02,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:29:02,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:29:02,499 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 10:29:02,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:29:02,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:29:02,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:29:02,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:29:02,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:29:02,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:29:02,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:29:02,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:29:02,538 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:29:02,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:29:02,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:29:02,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:29:02,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:29:02,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:29:02,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:29:02,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:29:02,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:29:02,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:29:02,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:02,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:29:02,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:29:02,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:29:02,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:29:02,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:29:02,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:29:02,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:29:02,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:29:02,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:29:02,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:29:02,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:29:02,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:29:02,845 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:29:02,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037.opt.i [2022-09-16 10:29:02,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50b1b661/f197f32aa0074105bb264426827f8a36/FLAGbe1604137 [2022-09-16 10:29:03,422 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:29:03,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037.opt.i [2022-09-16 10:29:03,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50b1b661/f197f32aa0074105bb264426827f8a36/FLAGbe1604137 [2022-09-16 10:29:03,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50b1b661/f197f32aa0074105bb264426827f8a36 [2022-09-16 10:29:03,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:29:03,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:29:03,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:03,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:29:03,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:29:03,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:03" (1/1) ... [2022-09-16 10:29:03,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dace0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:03, skipping insertion in model container [2022-09-16 10:29:03,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:03" (1/1) ... [2022-09-16 10:29:03,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:29:03,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:29:04,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037.opt.i[944,957] [2022-09-16 10:29:04,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:04,317 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:29:04,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037.opt.i[944,957] [2022-09-16 10:29:04,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:04,441 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:29:04,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04 WrapperNode [2022-09-16 10:29:04,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:04,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:04,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:29:04,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:29:04,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,526 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 202 [2022-09-16 10:29:04,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:04,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:29:04,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:29:04,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:29:04,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:29:04,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:29:04,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:29:04,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:29:04,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (1/1) ... [2022-09-16 10:29:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:04,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:29:04,617 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 10:29:04,642 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 10:29:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:29:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:29:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:29:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:29:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:29:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:29:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:29:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:29:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:29:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:29:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:29:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:29:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:29:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:29:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:29:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:29:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:29:04,668 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 10:29:04,900 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:29:04,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:29:05,418 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:29:05,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:29:05,728 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:29:05,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:05 BoogieIcfgContainer [2022-09-16 10:29:05,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:29:05,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:29:05,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:29:05,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:29:05,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:29:03" (1/3) ... [2022-09-16 10:29:05,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18528d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:05, skipping insertion in model container [2022-09-16 10:29:05,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:04" (2/3) ... [2022-09-16 10:29:05,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18528d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:05, skipping insertion in model container [2022-09-16 10:29:05,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:05" (3/3) ... [2022-09-16 10:29:05,739 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037.opt.i [2022-09-16 10:29:05,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:29:05,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:29:05,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:29:05,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:29:05,812 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:29:05,839 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 154 places, 143 transitions, 306 flow [2022-09-16 10:29:14,657 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 291793 states, 291713 states have (on average 4.589754313314799) internal successors, (1338891), 291792 states have internal predecessors, (1338891), 0 states have call successors, (0), 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 10:29:14,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:29:14,697 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;@6f24e475, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:29:14,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:29:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 291793 states, 291713 states have (on average 4.589754313314799) internal successors, (1338891), 291792 states have internal predecessors, (1338891), 0 states have call successors, (0), 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 10:29:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:29:15,250 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:15,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:15,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:29:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash 770639336, now seen corresponding path program 1 times [2022-09-16 10:29:15,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:15,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402019809] [2022-09-16 10:29:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:15,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:15,541 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 10:29:15,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:15,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402019809] [2022-09-16 10:29:15,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402019809] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:15,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:15,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:29:15,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831954406] [2022-09-16 10:29:15,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:15,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:29:15,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:29:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:16,997 INFO L87 Difference]: Start difference. First operand has 291793 states, 291713 states have (on average 4.589754313314799) internal successors, (1338891), 291792 states have internal predecessors, (1338891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:29:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:21,679 INFO L93 Difference]: Finished difference Result 234036 states and 1039299 transitions. [2022-09-16 10:29:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:29:21,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:29:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:25,435 INFO L225 Difference]: With dead ends: 234036 [2022-09-16 10:29:25,435 INFO L226 Difference]: Without dead ends: 234036 [2022-09-16 10:29:25,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:25,466 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 64 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:25,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 194 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:26,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234036 states. [2022-09-16 10:29:36,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234036 to 234036. [2022-09-16 10:29:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234036 states, 233844 states have (on average 4.444411659054754) internal successors, (1039299), 234035 states have internal predecessors, (1039299), 0 states have call successors, (0), 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 10:29:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234036 states to 234036 states and 1039299 transitions. [2022-09-16 10:29:40,579 INFO L78 Accepts]: Start accepts. Automaton has 234036 states and 1039299 transitions. Word has length 53 [2022-09-16 10:29:40,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:40,579 INFO L495 AbstractCegarLoop]: Abstraction has 234036 states and 1039299 transitions. [2022-09-16 10:29:40,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:29:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 234036 states and 1039299 transitions. [2022-09-16 10:29:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:29:40,583 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:40,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:40,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:29:40,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:29:40,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:40,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1647177754, now seen corresponding path program 1 times [2022-09-16 10:29:40,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:40,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462251620] [2022-09-16 10:29:40,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:40,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:40,688 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 10:29:40,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:40,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462251620] [2022-09-16 10:29:40,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462251620] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:40,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:40,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:29:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801941238] [2022-09-16 10:29:40,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:40,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:29:40,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:40,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:29:40,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:40,692 INFO L87 Difference]: Start difference. First operand 234036 states and 1039299 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:29:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:44,339 INFO L93 Difference]: Finished difference Result 214098 states and 910909 transitions. [2022-09-16 10:29:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:29:44,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-09-16 10:29:44,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:46,947 INFO L225 Difference]: With dead ends: 214098 [2022-09-16 10:29:46,947 INFO L226 Difference]: Without dead ends: 214098 [2022-09-16 10:29:46,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:46,949 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 231 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:46,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 255 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214098 states. [2022-09-16 10:30:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214098 to 205458. [2022-09-16 10:30:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205458 states, 205350 states have (on average 4.327806184562942) internal successors, (888715), 205457 states have internal predecessors, (888715), 0 states have call successors, (0), 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 10:30:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205458 states to 205458 states and 888715 transitions. [2022-09-16 10:30:04,750 INFO L78 Accepts]: Start accepts. Automaton has 205458 states and 888715 transitions. Word has length 64 [2022-09-16 10:30:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:04,757 INFO L495 AbstractCegarLoop]: Abstraction has 205458 states and 888715 transitions. [2022-09-16 10:30:04,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 205458 states and 888715 transitions. [2022-09-16 10:30:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:30:04,761 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:04,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:30:04,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:30:04,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:30:04,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1647177755, now seen corresponding path program 1 times [2022-09-16 10:30:04,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:04,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682055496] [2022-09-16 10:30:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:04,870 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 10:30:04,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:04,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682055496] [2022-09-16 10:30:04,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682055496] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:04,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:04,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:30:04,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399003038] [2022-09-16 10:30:04,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:04,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:30:04,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:04,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:30:04,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:04,873 INFO L87 Difference]: Start difference. First operand 205458 states and 888715 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:07,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:07,447 INFO L93 Difference]: Finished difference Result 131799 states and 576524 transitions. [2022-09-16 10:30:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:30:07,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-09-16 10:30:07,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:10,110 INFO L225 Difference]: With dead ends: 131799 [2022-09-16 10:30:10,111 INFO L226 Difference]: Without dead ends: 131799 [2022-09-16 10:30:10,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:10,118 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 133 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:10,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 355 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:10,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131799 states. [2022-09-16 10:30:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131799 to 131799. [2022-09-16 10:30:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131799 states, 131769 states have (on average 4.375262770454356) internal successors, (576524), 131798 states have internal predecessors, (576524), 0 states have call successors, (0), 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 10:30:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131799 states to 131799 states and 576524 transitions. [2022-09-16 10:30:19,005 INFO L78 Accepts]: Start accepts. Automaton has 131799 states and 576524 transitions. Word has length 64 [2022-09-16 10:30:19,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:19,007 INFO L495 AbstractCegarLoop]: Abstraction has 131799 states and 576524 transitions. [2022-09-16 10:30:19,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:19,008 INFO L276 IsEmpty]: Start isEmpty. Operand 131799 states and 576524 transitions. [2022-09-16 10:30:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:30:19,030 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:19,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:30:19,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:30:19,030 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:30:19,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:19,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1933842623, now seen corresponding path program 1 times [2022-09-16 10:30:19,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:19,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911097867] [2022-09-16 10:30:19,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:19,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:19,159 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 10:30:19,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:19,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911097867] [2022-09-16 10:30:19,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911097867] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:19,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:19,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:30:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69901751] [2022-09-16 10:30:19,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:19,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:30:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:19,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:30:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:30:19,162 INFO L87 Difference]: Start difference. First operand 131799 states and 576524 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:20,637 INFO L93 Difference]: Finished difference Result 113466 states and 497837 transitions. [2022-09-16 10:30:20,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:30:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-09-16 10:30:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:21,932 INFO L225 Difference]: With dead ends: 113466 [2022-09-16 10:30:21,932 INFO L226 Difference]: Without dead ends: 113466 [2022-09-16 10:30:21,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:30:21,933 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 399 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:21,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 310 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113466 states. [2022-09-16 10:30:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113466 to 113466. [2022-09-16 10:30:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113466 states, 113454 states have (on average 4.388007474394909) internal successors, (497837), 113465 states have internal predecessors, (497837), 0 states have call successors, (0), 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 10:30:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113466 states to 113466 states and 497837 transitions. [2022-09-16 10:30:27,622 INFO L78 Accepts]: Start accepts. Automaton has 113466 states and 497837 transitions. Word has length 75 [2022-09-16 10:30:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:27,622 INFO L495 AbstractCegarLoop]: Abstraction has 113466 states and 497837 transitions. [2022-09-16 10:30:27,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 113466 states and 497837 transitions. [2022-09-16 10:30:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:30:27,763 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:27,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:30:27,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:30:27,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:30:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash -724393886, now seen corresponding path program 1 times [2022-09-16 10:30:27,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:27,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195943269] [2022-09-16 10:30:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:27,953 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 10:30:27,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:27,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195943269] [2022-09-16 10:30:27,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195943269] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:27,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:27,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:30:27,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473732151] [2022-09-16 10:30:27,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:27,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:30:27,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:27,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:30:27,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:30:27,956 INFO L87 Difference]: Start difference. First operand 113466 states and 497837 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 10:30:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:29,775 INFO L93 Difference]: Finished difference Result 110010 states and 484121 transitions. [2022-09-16 10:30:29,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:30:29,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-09-16 10:30:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:29,776 INFO L225 Difference]: With dead ends: 110010 [2022-09-16 10:30:29,776 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:30:29,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:30:29,777 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 453 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:29,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 314 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:29,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:30:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:30:29,778 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 10:30:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:30:29,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-09-16 10:30:29,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:29,779 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:30:29,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 10:30:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:30:29,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:30:29,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:30:29,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:30:29,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:30:29,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:30:29,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:30:29,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:30:29,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:30:29,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:30:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:30:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:30:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:30:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:30:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:30:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:30:29,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:30:29,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:30:29,790 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:30:29,794 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:30:29,794 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:30:29,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:30:29 BasicIcfg [2022-09-16 10:30:29,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:30:29,797 INFO L158 Benchmark]: Toolchain (without parser) took 85911.45ms. Allocated memory was 192.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 160.4MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2022-09-16 10:30:29,798 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 192.9MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:30:29,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.39ms. Allocated memory was 192.9MB in the beginning and 254.8MB in the end (delta: 61.9MB). Free memory was 160.2MB in the beginning and 210.1MB in the end (delta: -49.9MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2022-09-16 10:30:29,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.87ms. Allocated memory is still 254.8MB. Free memory was 210.1MB in the beginning and 207.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:29,798 INFO L158 Benchmark]: Boogie Preprocessor took 54.57ms. Allocated memory is still 254.8MB. Free memory was 207.5MB in the beginning and 205.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:29,799 INFO L158 Benchmark]: RCFGBuilder took 1147.31ms. Allocated memory is still 254.8MB. Free memory was 205.4MB in the beginning and 178.8MB in the end (delta: 26.7MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-09-16 10:30:29,799 INFO L158 Benchmark]: TraceAbstraction took 84064.68ms. Allocated memory was 254.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 178.2MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. [2022-09-16 10:30:29,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 192.9MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 555.39ms. Allocated memory was 192.9MB in the beginning and 254.8MB in the end (delta: 61.9MB). Free memory was 160.2MB in the beginning and 210.1MB in the end (delta: -49.9MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.87ms. Allocated memory is still 254.8MB. Free memory was 210.1MB in the beginning and 207.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.57ms. Allocated memory is still 254.8MB. Free memory was 207.5MB in the beginning and 205.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1147.31ms. Allocated memory is still 254.8MB. Free memory was 205.4MB in the beginning and 178.8MB in the end (delta: 26.7MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. * TraceAbstraction took 84064.68ms. Allocated memory was 254.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 178.2MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 4.5GB. 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: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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 9 procedures, 185 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 83.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1280 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1280 mSDsluCounter, 1428 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 853 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 646 mSDtfsCounter, 240 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291793occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 47.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:30:29,830 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...