/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-PN-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/mix052_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:33:43,220 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 11:33:43,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:33:43,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:33:43,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:33:43,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:33:43,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:33:43,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:33:43,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:33:43,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:33:43,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:33:43,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:33:43,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:33:43,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:33:43,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 11:33:43,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:33:43,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:33:43,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:33:43,282 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-PN-NoLbe.epf [2022-09-16 11:33:43,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:33:43,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:33:43,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:33:43,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:33:43,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:33:43,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:33:43,308 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:33:43,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:33:43,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:33:43,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:33:43,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:33:43,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:33:43,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:33:43,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:33:43,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:33:43,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:33:43,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:33:43,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:33:43,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:33:43,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:33:43,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:33:43,311 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:33:43,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:33:43,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:33:43,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:33:43,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:33:43,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:33:43,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:33:43,519 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:33:43,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i [2022-09-16 11:33:43,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126b054f/b8c55aa85b0941438f9467b9c9012642/FLAGb58a33045 [2022-09-16 11:33:44,012 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:33:44,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_pso.opt_rmo.opt_tso.opt.i [2022-09-16 11:33:44,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126b054f/b8c55aa85b0941438f9467b9c9012642/FLAGb58a33045 [2022-09-16 11:33:44,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126b054f/b8c55aa85b0941438f9467b9c9012642 [2022-09-16 11:33:44,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:33:44,349 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:33:44,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:33:44,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:33:44,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:33:44,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a27892f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44, skipping insertion in model container [2022-09-16 11:33:44,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:33:44,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:33:44,552 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/mix052_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-09-16 11:33:44,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:33:44,681 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:33:44,689 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/mix052_pso.opt_rmo.opt_tso.opt.i[964,977] [2022-09-16 11:33:44,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:33:44,782 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:33:44,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44 WrapperNode [2022-09-16 11:33:44,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:33:44,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:33:44,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:33:44,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:33:44,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,829 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2022-09-16 11:33:44,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:33:44,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:33:44,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:33:44,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:33:44,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:33:44,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:33:44,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:33:44,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:33:44,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (1/1) ... [2022-09-16 11:33:44,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:33:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:33:44,913 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 11:33:44,922 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 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:33:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:33:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:33:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:33:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:33:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:33:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:33:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:33:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:33:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:33:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:33:44,961 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 11:33:45,136 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:33:45,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:33:45,522 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:33:45,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:33:45,757 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:33:45,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:33:45 BoogieIcfgContainer [2022-09-16 11:33:45,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:33:45,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:33:45,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:33:45,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:33:45,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:33:44" (1/3) ... [2022-09-16 11:33:45,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a26a6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:33:45, skipping insertion in model container [2022-09-16 11:33:45,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:44" (2/3) ... [2022-09-16 11:33:45,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a26a6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:33:45, skipping insertion in model container [2022-09-16 11:33:45,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:33:45" (3/3) ... [2022-09-16 11:33:45,766 INFO L112 eAbstractionObserver]: Analyzing ICFG mix052_pso.opt_rmo.opt_tso.opt.i [2022-09-16 11:33:45,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:33:45,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:33:45,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:33:45,828 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:33:45,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-09-16 11:33:45,909 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-09-16 11:33:45,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:33:45,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2022-09-16 11:33:45,913 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-09-16 11:33:45,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-09-16 11:33:45,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:33:45,931 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@5d5cf6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:33:45,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:33:45,948 INFO L130 PetriNetUnfolder]: 0/49 cut-off events. [2022-09-16 11:33:45,948 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:33:45,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:45,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:33:45,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -614290193, now seen corresponding path program 1 times [2022-09-16 11:33:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:45,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657903110] [2022-09-16 11:33:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:46,205 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 11:33:46,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:46,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657903110] [2022-09-16 11:33:46,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657903110] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:46,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:46,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:33:46,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509635860] [2022-09-16 11:33:46,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:46,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:33:46,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:46,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:33:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:33:46,242 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-09-16 11:33:46,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 11:33:46,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:46,249 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-09-16 11:33:46,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:46,507 INFO L130 PetriNetUnfolder]: 319/763 cut-off events. [2022-09-16 11:33:46,508 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-09-16 11:33:46,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1324 conditions, 763 events. 319/763 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4720 event pairs, 74 based on Foata normal form. 118/703 useless extension candidates. Maximal degree in co-relation 1272. Up to 492 conditions per place. [2022-09-16 11:33:46,519 INFO L137 encePairwiseOnDemand]: 105/117 looper letters, 24 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2022-09-16 11:33:46,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 121 transitions, 313 flow [2022-09-16 11:33:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:33:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:33:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2022-09-16 11:33:46,533 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9287749287749287 [2022-09-16 11:33:46,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2022-09-16 11:33:46,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2022-09-16 11:33:46,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:46,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2022-09-16 11:33:46,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 11:33:46,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 11:33:46,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 11:33:46,548 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 3 states and 326 transitions. [2022-09-16 11:33:46,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 121 transitions, 313 flow [2022-09-16 11:33:46,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 308 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:33:46,554 INFO L231 Difference]: Finished difference. Result has 121 places, 114 transitions, 264 flow [2022-09-16 11:33:46,555 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=121, PETRI_TRANSITIONS=114} [2022-09-16 11:33:46,558 INFO L287 CegarLoopForPetriNet]: 122 programPoint places, -1 predicate places. [2022-09-16 11:33:46,558 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 114 transitions, 264 flow [2022-09-16 11:33:46,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 11:33:46,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:46,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:33:46,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:33:46,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash 750663936, now seen corresponding path program 1 times [2022-09-16 11:33:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:46,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574771338] [2022-09-16 11:33:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:46,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:46,680 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 11:33:46,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:46,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574771338] [2022-09-16 11:33:46,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574771338] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:46,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:46,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:33:46,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194480960] [2022-09-16 11:33:46,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:46,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:33:46,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:46,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:33:46,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:33:46,684 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-09-16 11:33:46,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 264 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 11:33:46,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:46,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-09-16 11:33:46,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:46,799 INFO L130 PetriNetUnfolder]: 206/608 cut-off events. [2022-09-16 11:33:46,799 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-09-16 11:33:46,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 608 events. 206/608 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3319 event pairs, 132 based on Foata normal form. 0/511 useless extension candidates. Maximal degree in co-relation 1130. Up to 304 conditions per place. [2022-09-16 11:33:46,803 INFO L137 encePairwiseOnDemand]: 110/117 looper letters, 21 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2022-09-16 11:33:46,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 118 transitions, 320 flow [2022-09-16 11:33:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:33:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:33:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions. [2022-09-16 11:33:46,805 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8803418803418803 [2022-09-16 11:33:46,805 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 412 transitions. [2022-09-16 11:33:46,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 412 transitions. [2022-09-16 11:33:46,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:46,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 412 transitions. [2022-09-16 11:33:46,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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 11:33:46,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 11:33:46,808 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 11:33:46,808 INFO L175 Difference]: Start difference. First operand has 121 places, 114 transitions, 264 flow. Second operand 4 states and 412 transitions. [2022-09-16 11:33:46,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 118 transitions, 320 flow [2022-09-16 11:33:46,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 118 transitions, 316 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:33:46,810 INFO L231 Difference]: Finished difference. Result has 120 places, 111 transitions, 256 flow [2022-09-16 11:33:46,810 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=256, PETRI_PLACES=120, PETRI_TRANSITIONS=111} [2022-09-16 11:33:46,811 INFO L287 CegarLoopForPetriNet]: 122 programPoint places, -2 predicate places. [2022-09-16 11:33:46,811 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 111 transitions, 256 flow [2022-09-16 11:33:46,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 11:33:46,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:46,812 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:33:46,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:33:46,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:46,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1708048641, now seen corresponding path program 1 times [2022-09-16 11:33:46,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:46,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292038284] [2022-09-16 11:33:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:46,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:46,879 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 11:33:46,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:46,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292038284] [2022-09-16 11:33:46,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292038284] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:46,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:46,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:33:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378573661] [2022-09-16 11:33:46,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:46,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:33:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:33:46,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:33:46,881 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-09-16 11:33:46,882 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 256 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 11:33:46,882 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:46,882 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-09-16 11:33:46,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:47,025 INFO L130 PetriNetUnfolder]: 129/428 cut-off events. [2022-09-16 11:33:47,025 INFO L131 PetriNetUnfolder]: For 92/92 co-relation queries the response was YES. [2022-09-16 11:33:47,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 428 events. 129/428 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2180 event pairs, 17 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 748. Up to 94 conditions per place. [2022-09-16 11:33:47,027 INFO L137 encePairwiseOnDemand]: 110/117 looper letters, 24 selfloop transitions, 7 changer transitions 3/127 dead transitions. [2022-09-16 11:33:47,028 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 127 transitions, 368 flow [2022-09-16 11:33:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:33:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:33:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 421 transitions. [2022-09-16 11:33:47,029 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8995726495726496 [2022-09-16 11:33:47,029 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 421 transitions. [2022-09-16 11:33:47,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 421 transitions. [2022-09-16 11:33:47,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:47,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 421 transitions. [2022-09-16 11:33:47,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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 11:33:47,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 11:33:47,031 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 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 11:33:47,031 INFO L175 Difference]: Start difference. First operand has 120 places, 111 transitions, 256 flow. Second operand 4 states and 421 transitions. [2022-09-16 11:33:47,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 127 transitions, 368 flow [2022-09-16 11:33:47,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 127 transitions, 363 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-09-16 11:33:47,034 INFO L231 Difference]: Finished difference. Result has 122 places, 111 transitions, 277 flow [2022-09-16 11:33:47,034 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=277, PETRI_PLACES=122, PETRI_TRANSITIONS=111} [2022-09-16 11:33:47,036 INFO L287 CegarLoopForPetriNet]: 122 programPoint places, 0 predicate places. [2022-09-16 11:33:47,036 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 111 transitions, 277 flow [2022-09-16 11:33:47,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 11:33:47,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:47,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:33:47,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:33:47,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:47,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1699803901, now seen corresponding path program 1 times [2022-09-16 11:33:47,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:47,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842207276] [2022-09-16 11:33:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:47,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:47,153 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 11:33:47,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:47,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842207276] [2022-09-16 11:33:47,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842207276] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:47,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:47,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:33:47,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688363945] [2022-09-16 11:33:47,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:47,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:33:47,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:47,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:33:47,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:33:47,155 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 117 [2022-09-16 11:33:47,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 111 transitions, 277 flow. Second operand has 5 states, 5 states have (on average 98.0) internal successors, (490), 5 states have internal predecessors, (490), 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 11:33:47,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:47,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 117 [2022-09-16 11:33:47,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:47,231 INFO L130 PetriNetUnfolder]: 115/396 cut-off events. [2022-09-16 11:33:47,231 INFO L131 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2022-09-16 11:33:47,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 396 events. 115/396 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1886 event pairs, 17 based on Foata normal form. 9/393 useless extension candidates. Maximal degree in co-relation 785. Up to 94 conditions per place. [2022-09-16 11:33:47,233 INFO L137 encePairwiseOnDemand]: 110/117 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2022-09-16 11:33:47,233 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 121 transitions, 347 flow [2022-09-16 11:33:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:33:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:33:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 511 transitions. [2022-09-16 11:33:47,235 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8735042735042735 [2022-09-16 11:33:47,235 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 511 transitions. [2022-09-16 11:33:47,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 511 transitions. [2022-09-16 11:33:47,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:47,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 511 transitions. [2022-09-16 11:33:47,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 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 11:33:47,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 11:33:47,238 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 11:33:47,238 INFO L175 Difference]: Start difference. First operand has 122 places, 111 transitions, 277 flow. Second operand 5 states and 511 transitions. [2022-09-16 11:33:47,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 121 transitions, 347 flow [2022-09-16 11:33:47,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 121 transitions, 323 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-09-16 11:33:47,240 INFO L231 Difference]: Finished difference. Result has 119 places, 0 transitions, 0 flow [2022-09-16 11:33:47,240 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=119, PETRI_TRANSITIONS=0} [2022-09-16 11:33:47,241 INFO L287 CegarLoopForPetriNet]: 122 programPoint places, -3 predicate places. [2022-09-16 11:33:47,241 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 0 transitions, 0 flow [2022-09-16 11:33:47,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.0) internal successors, (490), 5 states have internal predecessors, (490), 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 11:33:47,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:33:47,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:33:47,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:33:47,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:33:47,246 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:33:47,250 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:33:47,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:33:47,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:33:47 BasicIcfg [2022-09-16 11:33:47,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:33:47,257 INFO L158 Benchmark]: Toolchain (without parser) took 2908.48ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 174.3MB in the beginning and 163.1MB in the end (delta: 11.2MB). Peak memory consumption was 74.1MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,258 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:33:47,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.08ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 174.1MB in the beginning and 223.8MB in the end (delta: -49.7MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.58ms. Allocated memory is still 266.3MB. Free memory was 223.8MB in the beginning and 221.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,260 INFO L158 Benchmark]: Boogie Preprocessor took 54.19ms. Allocated memory is still 266.3MB. Free memory was 221.3MB in the beginning and 219.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,260 INFO L158 Benchmark]: RCFGBuilder took 874.31ms. Allocated memory is still 266.3MB. Free memory was 219.2MB in the beginning and 196.9MB in the end (delta: 22.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,264 INFO L158 Benchmark]: TraceAbstraction took 1495.61ms. Allocated memory is still 266.3MB. Free memory was 196.4MB in the beginning and 163.1MB in the end (delta: 33.3MB). Peak memory consumption was 33.3MB. Max. memory is 8.0GB. [2022-09-16 11:33:47,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.08ms. Allocated memory was 203.4MB in the beginning and 266.3MB in the end (delta: 62.9MB). Free memory was 174.1MB in the beginning and 223.8MB in the end (delta: -49.7MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.58ms. Allocated memory is still 266.3MB. Free memory was 223.8MB in the beginning and 221.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.19ms. Allocated memory is still 266.3MB. Free memory was 221.3MB in the beginning and 219.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 874.31ms. Allocated memory is still 266.3MB. Free memory was 219.2MB in the beginning and 196.9MB in the end (delta: 22.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1495.61ms. Allocated memory is still 266.3MB. Free memory was 196.4MB in the beginning and 163.1MB in the end (delta: 33.3MB). Peak memory consumption was 33.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: 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 7 procedures, 147 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 10 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 623 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:33:47,300 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...