/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-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 03:20:59,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 03:20:59,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 03:21:00,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 03:21:00,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 03:21:00,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 03:21:00,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 03:21:00,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 03:21:00,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 03:21:00,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 03:21:00,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 03:21:00,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 03:21:00,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 03:21:00,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 03:21:00,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 03:21:00,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 03:21:00,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 03:21:00,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 03:21:00,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 03:21:00,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 03:21:00,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 03:21:00,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 03:21:00,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 03:21:00,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 03:21:00,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 03:21:00,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 03:21:00,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 03:21:00,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 03:21:00,056 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 03:21:00,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 03:21:00,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 03:21:00,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 03:21:00,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 03:21:00,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 03:21:00,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 03:21:00,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 03:21:00,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 03:21:00,090 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 03:21:00,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 03:21:00,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 03:21:00,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 03:21:00,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 03:21:00,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 03:21:00,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 03:21:00,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 03:21:00,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 03:21:00,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 03:21:00,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 03:21:00,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 03:21:00,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 03:21:00,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 03:21:00,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 03:21:00,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 03:21:00,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 03:21:00,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 03:21:00,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 03:21:00,304 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-10 03:21:00,305 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-10 03:21:00,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2022-02-10 03:21:00,306 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2022-02-10 03:21:00,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 03:21:00,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-10 03:21:00,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 03:21:00,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 03:21:00,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 03:21:00,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,347 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-10 03:21:00,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 03:21:00,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 03:21:00,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 03:21:00,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 03:21:00,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 03:21:00,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 03:21:00,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 03:21:00,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 03:21:00,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/1) ... [2022-02-10 03:21:00,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 03:21:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 03:21:00,396 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) [2022-02-10 03:21:00,402 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 [2022-02-10 03:21:00,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-10 03:21:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 03:21:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 03:21:00,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-10 03:21:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 03:21:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 03:21:00,421 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-10 03:21:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 03:21:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 03:21:00,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-10 03:21:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 03:21:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 03:21:00,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-10 03:21:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-10 03:21:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-10 03:21:00,423 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 03:21:00,456 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 03:21:00,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 03:21:00,528 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 03:21:00,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 03:21:00,558 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-10 03:21:00,558 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-02-10 03:21:00,558 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-10 03:21:00,558 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-10 03:21:00,559 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-10 03:21:00,560 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 03:21:00 BoogieIcfgContainer [2022-02-10 03:21:00,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 03:21:00,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 03:21:00,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 03:21:00,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 03:21:00,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 03:21:00" (1/2) ... [2022-02-10 03:21:00,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703e5598 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 03:21:00, skipping insertion in model container [2022-02-10 03:21:00,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 03:21:00" (2/2) ... [2022-02-10 03:21:00,565 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2022-02-10 03:21:00,568 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 03:21:00,568 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 03:21:00,568 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 03:21:00,568 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 03:21:00,604 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-10 03:21:00,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 03:21:00,674 INFO L339 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, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 03:21:00,674 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 03:21:00,681 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 90 flow [2022-02-10 03:21:00,729 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 164 states, 163 states have (on average 3.7484662576687118) internal successors, (611), 163 states have internal predecessors, (611), 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)