/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/mix008.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:21:15,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:21:15,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:21:15,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:21:15,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:21:15,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:21:15,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:21:15,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:21:15,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:21:15,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:21:15,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:21:15,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:21:15,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:21:15,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:21:15,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:21:15,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:21:15,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:21:15,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:21:15,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:21:15,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:21:15,282 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 10:21:15,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:21:15,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:21:15,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:21:15,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:21:15,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:21:15,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:21:15,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:21:15,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:21:15,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:21:15,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:15,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:21:15,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:21:15,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:21:15,310 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:21:15,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:21:15,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:21:15,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:21:15,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:21:15,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:21:15,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:21:15,527 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:21:15,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2022-09-16 10:21:15,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f386b244/7dfecc11b90c4264bd87372c9a8af778/FLAG25f55f0f5 [2022-09-16 10:21:15,967 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:21:15,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2022-09-16 10:21:15,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f386b244/7dfecc11b90c4264bd87372c9a8af778/FLAG25f55f0f5 [2022-09-16 10:21:16,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f386b244/7dfecc11b90c4264bd87372c9a8af778 [2022-09-16 10:21:16,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:21:16,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:21:16,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:16,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:21:16,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:21:16,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674a208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16, skipping insertion in model container [2022-09-16 10:21:16,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:21:16,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:21:16,503 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/mix008.opt.i[944,957] [2022-09-16 10:21:16,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:16,697 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:21:16,706 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/mix008.opt.i[944,957] [2022-09-16 10:21:16,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:16,758 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:21:16,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16 WrapperNode [2022-09-16 10:21:16,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:16,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:16,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:21:16,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:21:16,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,815 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 297 [2022-09-16 10:21:16,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:16,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:21:16,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:21:16,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:21:16,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:21:16,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:21:16,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:21:16,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:21:16,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (1/1) ... [2022-09-16 10:21:16,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:16,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:21:16,889 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 10:21:16,891 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 10:21:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:21:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:21:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:21:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:21:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:21:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:21:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:21:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:21:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:21:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:21:16,924 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 10:21:17,055 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:21:17,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:21:17,424 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:21:17,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:21:17,740 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:21:17,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:17 BoogieIcfgContainer [2022-09-16 10:21:17,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:21:17,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:21:17,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:21:17,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:21:17,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:21:16" (1/3) ... [2022-09-16 10:21:17,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72461eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:17, skipping insertion in model container [2022-09-16 10:21:17,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:16" (2/3) ... [2022-09-16 10:21:17,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72461eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:17, skipping insertion in model container [2022-09-16 10:21:17,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:17" (3/3) ... [2022-09-16 10:21:17,750 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2022-09-16 10:21:17,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:21:17,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:21:17,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:21:17,763 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:21:17,826 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:21:17,859 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 142 transitions, 304 flow [2022-09-16 10:21:25,088 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 297705 states, 297625 states have (on average 4.592141117177657) internal successors, (1366736), 297704 states have internal predecessors, (1366736), 0 states have call successors, (0), 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 10:21:25,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:21:25,138 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;@7eaa7c5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:21:25,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:21:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 297705 states, 297625 states have (on average 4.592141117177657) internal successors, (1366736), 297704 states have internal predecessors, (1366736), 0 states have call successors, (0), 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 10:21:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:21:25,636 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:25,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:21:25,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:21:25,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -832793978, now seen corresponding path program 1 times [2022-09-16 10:21:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:25,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873660933] [2022-09-16 10:21:25,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:25,869 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 10:21:25,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:25,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873660933] [2022-09-16 10:21:25,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873660933] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:25,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:25,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:21:25,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31216209] [2022-09-16 10:21:25,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:25,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:21:25,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:21:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:21:26,479 INFO L87 Difference]: Start difference. First operand has 297705 states, 297625 states have (on average 4.592141117177657) internal successors, (1366736), 297704 states have internal predecessors, (1366736), 0 states have call successors, (0), 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 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:21:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:30,717 INFO L93 Difference]: Finished difference Result 238366 states and 1059126 transitions. [2022-09-16 10:21:30,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:21:30,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-09-16 10:21:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:33,208 INFO L225 Difference]: With dead ends: 238366 [2022-09-16 10:21:33,208 INFO L226 Difference]: Without dead ends: 238366 [2022-09-16 10:21:33,210 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 10:21:33,212 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 64 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:33,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 191 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:34,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238366 states. [2022-09-16 10:21:43,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238366 to 238366. [2022-09-16 10:21:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238366 states, 238174 states have (on average 4.446858179314283) internal successors, (1059126), 238365 states have internal predecessors, (1059126), 0 states have call successors, (0), 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 10:21:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238366 states to 238366 states and 1059126 transitions. [2022-09-16 10:21:45,895 INFO L78 Accepts]: Start accepts. Automaton has 238366 states and 1059126 transitions. Word has length 52 [2022-09-16 10:21:45,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:45,895 INFO L495 AbstractCegarLoop]: Abstraction has 238366 states and 1059126 transitions. [2022-09-16 10:21:45,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:21:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 238366 states and 1059126 transitions. [2022-09-16 10:21:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-09-16 10:21:45,898 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:45,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:21:45,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:21:45,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:21:45,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1277317585, now seen corresponding path program 1 times [2022-09-16 10:21:45,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:45,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620171255] [2022-09-16 10:21:45,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:45,983 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 10:21:45,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:45,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620171255] [2022-09-16 10:21:45,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620171255] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:45,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:45,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:21:45,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218090479] [2022-09-16 10:21:45,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:45,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:21:45,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:45,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:21:45,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:21:45,986 INFO L87 Difference]: Start difference. First operand 238366 states and 1059126 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:21:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:48,781 INFO L93 Difference]: Finished difference Result 218002 states and 928802 transitions. [2022-09-16 10:21:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:21:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-09-16 10:21:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:50,636 INFO L225 Difference]: With dead ends: 218002 [2022-09-16 10:21:50,636 INFO L226 Difference]: Without dead ends: 218002 [2022-09-16 10:21:50,636 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 10:21:50,637 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 182 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:50,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 259 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218002 states. [2022-09-16 10:22:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218002 to 209362. [2022-09-16 10:22:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209362 states, 209254 states have (on average 4.332571898267178) internal successors, (906608), 209361 states have internal predecessors, (906608), 0 states have call successors, (0), 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 10:22:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209362 states to 209362 states and 906608 transitions. [2022-09-16 10:22:04,749 INFO L78 Accepts]: Start accepts. Automaton has 209362 states and 906608 transitions. Word has length 63 [2022-09-16 10:22:04,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:04,752 INFO L495 AbstractCegarLoop]: Abstraction has 209362 states and 906608 transitions. [2022-09-16 10:22:04,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 209362 states and 906608 transitions. [2022-09-16 10:22:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-09-16 10:22:04,760 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:04,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:22:04,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:22:04,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:22:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1277317584, now seen corresponding path program 1 times [2022-09-16 10:22:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:04,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733262154] [2022-09-16 10:22:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:04,862 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 10:22:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:04,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733262154] [2022-09-16 10:22:04,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733262154] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:04,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:04,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:22:04,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465730593] [2022-09-16 10:22:04,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:04,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:22:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:22:04,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:04,865 INFO L87 Difference]: Start difference. First operand 209362 states and 906608 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:06,572 INFO L93 Difference]: Finished difference Result 135277 states and 592483 transitions. [2022-09-16 10:22:06,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:22:06,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-09-16 10:22:06,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:08,652 INFO L225 Difference]: With dead ends: 135277 [2022-09-16 10:22:08,652 INFO L226 Difference]: Without dead ends: 135277 [2022-09-16 10:22:08,653 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 10:22:08,658 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 133 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:08,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 349 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135277 states. [2022-09-16 10:22:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135277 to 135277. [2022-09-16 10:22:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135277 states, 135247 states have (on average 4.380747816957123) internal successors, (592483), 135276 states have internal predecessors, (592483), 0 states have call successors, (0), 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 10:22:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135277 states to 135277 states and 592483 transitions. [2022-09-16 10:22:15,686 INFO L78 Accepts]: Start accepts. Automaton has 135277 states and 592483 transitions. Word has length 63 [2022-09-16 10:22:15,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:15,687 INFO L495 AbstractCegarLoop]: Abstraction has 135277 states and 592483 transitions. [2022-09-16 10:22:15,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 135277 states and 592483 transitions. [2022-09-16 10:22:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:22:15,697 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:15,698 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 10:22:15,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:22:15,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:22:15,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:15,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1444103421, now seen corresponding path program 1 times [2022-09-16 10:22:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:15,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509771817] [2022-09-16 10:22:15,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:15,904 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 10:22:15,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:15,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509771817] [2022-09-16 10:22:15,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509771817] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:15,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:15,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:22:15,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834228838] [2022-09-16 10:22:15,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:15,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:22:15,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:15,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:22:15,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:22:15,906 INFO L87 Difference]: Start difference. First operand 135277 states and 592483 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 10:22:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:17,704 INFO L93 Difference]: Finished difference Result 116944 states and 513796 transitions. [2022-09-16 10:22:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:22:17,705 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 10:22:17,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:18,677 INFO L225 Difference]: With dead ends: 116944 [2022-09-16 10:22:18,677 INFO L226 Difference]: Without dead ends: 116944 [2022-09-16 10:22:18,684 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 10:22:18,692 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 292 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:18,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 313 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:22:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116944 states. [2022-09-16 10:22:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116944 to 116944. [2022-09-16 10:22:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116944 states, 116932 states have (on average 4.393972565251599) internal successors, (513796), 116943 states have internal predecessors, (513796), 0 states have call successors, (0), 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 10:22:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116944 states to 116944 states and 513796 transitions. [2022-09-16 10:22:24,234 INFO L78 Accepts]: Start accepts. Automaton has 116944 states and 513796 transitions. Word has length 75 [2022-09-16 10:22:24,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:24,235 INFO L495 AbstractCegarLoop]: Abstraction has 116944 states and 513796 transitions. [2022-09-16 10:22:24,235 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 10:22:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 116944 states and 513796 transitions. [2022-09-16 10:22:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-09-16 10:22:24,393 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:24,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:22:24,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:22:24,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:22:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:24,394 INFO L85 PathProgramCache]: Analyzing trace with hash 357157985, now seen corresponding path program 1 times [2022-09-16 10:22:24,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:24,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731573391] [2022-09-16 10:22:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:22:24,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:24,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731573391] [2022-09-16 10:22:24,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731573391] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:24,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:24,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:22:24,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571815302] [2022-09-16 10:22:24,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:24,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:22:24,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:24,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:22:24,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:22:24,551 INFO L87 Difference]: Start difference. First operand 116944 states and 513796 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:26,290 INFO L93 Difference]: Finished difference Result 113488 states and 500080 transitions. [2022-09-16 10:22:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:22:26,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-09-16 10:22:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:26,292 INFO L225 Difference]: With dead ends: 113488 [2022-09-16 10:22:26,294 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:22:26,294 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 10:22:26,296 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 413 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:26,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 309 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:26,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:22:26,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:22:26,302 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 10:22:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:22:26,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2022-09-16 10:22:26,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:26,302 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:22:26,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:22:26,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:22:26,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:22:26,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:22:26,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:22:26,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:22:26,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:22:26,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:22:26,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:22:26,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:22:26,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:22:26,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:22:26,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:22:26,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:22:26,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:22:26,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:22:26,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:22:26,322 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:22:26,342 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:22:26,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:22:26,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:22:26 BasicIcfg [2022-09-16 10:22:26,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:22:26,345 INFO L158 Benchmark]: Toolchain (without parser) took 70031.67ms. Allocated memory was 180.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.5MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2022-09-16 10:22:26,345 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 180.4MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:22:26,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.37ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 123.2MB in the beginning and 177.4MB in the end (delta: -54.2MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-09-16 10:22:26,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.21ms. Allocated memory is still 217.1MB. Free memory was 177.4MB in the beginning and 174.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:22:26,356 INFO L158 Benchmark]: Boogie Preprocessor took 42.95ms. Allocated memory is still 217.1MB. Free memory was 174.3MB in the beginning and 172.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:22:26,357 INFO L158 Benchmark]: RCFGBuilder took 880.21ms. Allocated memory is still 217.1MB. Free memory was 171.8MB in the beginning and 112.2MB in the end (delta: 59.5MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. [2022-09-16 10:22:26,357 INFO L158 Benchmark]: TraceAbstraction took 68598.60ms. Allocated memory was 217.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 111.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2022-09-16 10:22:26,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 180.4MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 442.37ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 123.2MB in the beginning and 177.4MB in the end (delta: -54.2MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.21ms. Allocated memory is still 217.1MB. Free memory was 177.4MB in the beginning and 174.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.95ms. Allocated memory is still 217.1MB. Free memory was 174.3MB in the beginning and 172.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 880.21ms. Allocated memory is still 217.1MB. Free memory was 171.8MB in the beginning and 112.2MB in the end (delta: 59.5MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. * TraceAbstraction took 68598.60ms. Allocated memory was 217.1MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 111.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.1GB. 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: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: 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, 184 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 68.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 20.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1084 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1084 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 868 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 635 mSDtfsCounter, 265 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=297705occurred 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: 39.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 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 10:22:26,387 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...