/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 95 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 04:54:24,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-06 04:54:24,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-06 04:54:24,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-06 04:54:24,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-06 04:54:24,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-06 04:54:24,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-06 04:54:24,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-06 04:54:24,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-06 04:54:24,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-06 04:54:24,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-06 04:54:24,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-06 04:54:24,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 04:54:24,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 04:54:24,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 04:54:24,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 04:54:24,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 04:54:24,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 04:54:24,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 04:54:24,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 04:54:24,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 04:54:24,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 04:54:24,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 04:54:24,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 04:54:24,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-06 04:54:24,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-06 04:54:24,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-06 04:54:24,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-06 04:54:24,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-06 04:54:24,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-06 04:54:24,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-06 04:54:24,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-06 04:54:24,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-06 04:54:24,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-06 04:54:24,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-06 04:54:24,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-06 04:54:24,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-06 04:54:24,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-06 04:54:24,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 04:54:24,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 04:54:24,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 04:54:24,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 04:54:24,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 04:54:24,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 04:54:24,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 04:54:24,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 04:54:24,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 04:54:24,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 04:54:24,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 04:54:24,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 04:54:24,552 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 04:54:24,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 04:54:24,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 04:54:24,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 04:54:24,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 04:54:24,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 04:54:24,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 04:54:24,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 04:54:24,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 04:54:24,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 04:54:24,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 04:54:24,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 04:54:24,556 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 04:54:24,557 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 04:54:24,558 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 95 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 04:54:24,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 04:54:24,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 04:54:24,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 04:54:24,962 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 04:54:24,963 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 04:54:24,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl [2022-10-06 04:54:24,965 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl' [2022-10-06 04:54:24,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 04:54:24,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 04:54:24,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 04:54:24,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 04:54:24,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 04:54:25,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,022 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 04:54:25,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 04:54:25,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 04:54:25,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 04:54:25,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 04:54:25,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 04:54:25,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 04:54:25,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 04:54:25,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 04:54:25,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/1) ... [2022-10-06 04:54:25,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 04:54:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:54:25,089 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) [2022-10-06 04:54:25,104 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 [2022-10-06 04:54:25,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 04:54:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 04:54:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 04:54:25,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 04:54:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 04:54:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 04:54:25,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 04:54:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 04:54:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 04:54:25,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 04:54:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 04:54:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 04:54:25,135 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 04:54:25,182 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 04:54:25,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 04:54:25,278 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 04:54:25,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 04:54:25,284 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-06 04:54:25,286 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:54:25 BoogieIcfgContainer [2022-10-06 04:54:25,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 04:54:25,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 04:54:25,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 04:54:25,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 04:54:25,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:54:24" (1/2) ... [2022-10-06 04:54:25,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3730228f and model type motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:54:25, skipping insertion in model container [2022-10-06 04:54:25,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:54:25" (2/2) ... [2022-10-06 04:54:25,298 INFO L112 eAbstractionObserver]: Analyzing ICFG motivating.bpl [2022-10-06 04:54:25,305 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 04:54:25,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 04:54:25,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 04:54:25,316 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 04:54:25,389 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-10-06 04:54:25,446 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 04:54:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 04:54:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:54:25,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 04:54:25,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-06 04:54:25,549 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:54:25,584 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 04:54:25,584 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 04:54:25,584 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 04:54:25,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 04:54:25,606 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=PARTIAL_ORDER_FA, 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;@5590cbd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:54:25,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 04:54:25,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:54:25,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:54:25,968 INFO L85 PathProgramCache]: Analyzing trace with hash -559393370, now seen corresponding path program 1 times [2022-10-06 04:54:25,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:54:25,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547373375] [2022-10-06 04:54:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:54:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:54:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:54:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-06 04:54:26,166 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:54:26,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547373375] [2022-10-06 04:54:26,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547373375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 04:54:26,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 04:54:26,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-06 04:54:26,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581448579] [2022-10-06 04:54:26,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 04:54:26,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-06 04:54:26,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:54:26,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-06 04:54:26,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-06 04:54:26,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:26,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:54:26,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:54:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 04:54:26,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:54:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:54:26,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1266512619, now seen corresponding path program 1 times [2022-10-06 04:54:26,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:54:26,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592314910] [2022-10-06 04:54:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:54:26,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:54:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:54:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-06 04:54:26,517 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:54:26,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592314910] [2022-10-06 04:54:26,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592314910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 04:54:26,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 04:54:26,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-06 04:54:26,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036213932] [2022-10-06 04:54:26,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 04:54:26,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-06 04:54:26,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:54:26,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-06 04:54:26,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-06 04:54:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:26,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:54:26,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-10-06 04:54:26,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 04:54:26,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:54:26,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:54:26,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1322042152, now seen corresponding path program 1 times [2022-10-06 04:54:26,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:54:26,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368560708] [2022-10-06 04:54:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:54:26,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:54:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:54:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-06 04:54:26,922 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:54:26,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368560708] [2022-10-06 04:54:26,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368560708] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:54:26,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:54:26,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 04:54:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203591841] [2022-10-06 04:54:26,925 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:54:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 04:54:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:54:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 04:54:26,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-06 04:54:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:26,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:54:26,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2022-10-06 04:54:26,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:26,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:54:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:54:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 04:54:27,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 04:54:27,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:54:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:54:27,289 INFO L85 PathProgramCache]: Analyzing trace with hash 453290406, now seen corresponding path program 1 times [2022-10-06 04:54:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:54:27,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134906554] [2022-10-06 04:54:27,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:54:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:54:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-06 04:54:27,426 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-06 04:54:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-06 04:54:27,580 INFO L130 FreeRefinementEngine]: Strategy BADGER found a feasible trace [2022-10-06 04:54:27,581 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-06 04:54:27,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 04:54:27,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 04:54:27,604 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-06 04:54:27,606 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was UNSAFE (1/7) [2022-10-06 04:54:27,609 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 04:54:27,609 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 04:54:27,642 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:54:27 BasicIcfg [2022-10-06 04:54:27,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 04:54:27,643 INFO L158 Benchmark]: Toolchain (without parser) took 2651.03ms. Allocated memory is still 181.4MB. Free memory was 160.6MB in the beginning and 94.8MB in the end (delta: 65.8MB). Peak memory consumption was 65.4MB. Max. memory is 8.0GB. [2022-10-06 04:54:27,643 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 04:54:27,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.85ms. Allocated memory is still 181.4MB. Free memory was 160.5MB in the beginning and 159.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 04:54:27,644 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 181.4MB. Free memory was 159.1MB in the beginning and 158.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 04:54:27,644 INFO L158 Benchmark]: RCFGBuilder took 237.16ms. Allocated memory is still 181.4MB. Free memory was 157.9MB in the beginning and 148.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-06 04:54:27,644 INFO L158 Benchmark]: TraceAbstraction took 2349.74ms. Allocated memory is still 181.4MB. Free memory was 147.7MB in the beginning and 94.8MB in the end (delta: 52.9MB). Peak memory consumption was 52.8MB. Max. memory is 8.0GB. [2022-10-06 04:54:27,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.85ms. Allocated memory is still 181.4MB. Free memory was 160.5MB in the beginning and 159.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 181.4MB. Free memory was 159.1MB in the beginning and 158.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 237.16ms. Allocated memory is still 181.4MB. Free memory was 157.9MB in the beginning and 148.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2349.74ms. Allocated memory is still 181.4MB. Free memory was 147.7MB in the beginning and 94.8MB in the end (delta: 52.9MB). Peak memory consumption was 52.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 35, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 122, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 30, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 122, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 30, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 122, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 16, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 27, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 122, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 21, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1087, positive: 835, positive conditional: 835, positive unconditional: 0, negative: 252, negative conditional: 252, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 874, positive: 835, positive conditional: 835, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 874, positive: 835, positive conditional: 835, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 904, positive: 835, positive conditional: 4, positive unconditional: 831, negative: 69, negative conditional: 26, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 904, positive: 835, positive conditional: 4, positive unconditional: 831, negative: 69, negative conditional: 4, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 904, positive: 835, positive conditional: 4, positive unconditional: 831, negative: 69, negative conditional: 4, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 221, positive: 208, positive conditional: 2, positive unconditional: 206, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 221, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 44, positive conditional: 37, positive unconditional: 6, negative: 76, negative conditional: 6, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 904, positive: 627, positive conditional: 2, positive unconditional: 625, negative: 56, negative conditional: 2, negative unconditional: 54, unknown: 221, unknown conditional: 4, unknown unconditional: 217] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 208, Positive conditional cache size: 2, Positive unconditional cache size: 206, Negative cache size: 13, Negative conditional cache size: 2, Negative unconditional cache size: 11, Eliminated conditions: 22, Maximal queried relation: 2, Independence queries for same thread: 213 - CounterExampleResult [Line: 34]: assertion can be violated assertion can be violated We found a FailurePath: [L17] 0 assume 0 <= m && m < N; VAL [m=0, N=2] [L19] 0 i := 0; VAL [i=0, m=0, N=2] [L21] FORK 0 fork 1 thread1(); VAL [i=0, m=0, N=2] [L42] 1 havoc i; VAL [m=0, N=2] [L43] COND TRUE 1 0 <= i && i < N VAL [i=0, m=0, N=2] [L22] FORK 0 fork 4, 4, 4, 4 thread1(); VAL [i=0, m=0, N=2] [L42] 2 havoc i; VAL [m=0, N=2] [L44] 1 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=7, m=0, N=2] [L42] 1 havoc i; VAL [m=0, N=2] [L43] COND FALSE 1 !(0 <= i && i < N) VAL [i=-1, m=0, N=2] [L43] COND FALSE 2 !(0 <= i && i < N) VAL [i=-1, m=0, N=2] [L42] 2 havoc i; VAL [m=0, N=2] [L43] COND TRUE 2 0 <= i && i < N VAL [i=0, m=0, N=2] [L44] 2 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=0, N=2] [L23] FORK 0 fork 5, 5, 5, 5, 5 thread1(); VAL [i=0, m=0, N=2] [L42] 3 havoc i; VAL [m=0, N=2] [L43] COND TRUE 3 0 <= i && i < N VAL [i=0, m=0, N=2] [L24] FORK 0 fork 6, 6, 6, 6, 6, 6 thread1(); VAL [i=0, m=0, N=2] [L44] 3 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=0, N=2] [L42] 3 havoc i; VAL [m=0, N=2] [L43] COND TRUE 3 0 <= i && i < N VAL [i=0, m=0, N=2] [L44] 3 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=0, N=2] [L42] 3 havoc i; VAL [m=0, N=2] [L43] COND FALSE 3 !(0 <= i && i < N) VAL [i=-1, m=0, N=2] [L42] 4 havoc i; VAL [m=0, N=2] [L43] COND TRUE 4 0 <= i && i < N VAL [i=0, m=0, N=2] [L44] 4 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=0, N=2] [L25] FORK 0 fork 2, 2 thread2(); VAL [i=0, m=0, N=2] [L54] 5 cnt := 0; VAL [cnt=0, i=0, m=0, N=2] [L56] 5 j := 0; VAL [cnt=0, i=0, j=0, m=0, N=2] [L26] FORK 0 fork 3, 3, 3 thread3(); VAL [cnt=0, i=0, j=0, m=0, N=2] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=0, N=2] [L77] COND TRUE 6 0 <= k && k < N VAL [cnt=0, i=0, j=0, k=1, m=0, N=2] [L78] 6 B[k] := k; VAL [cnt=0, i=0, j=0, k=1, m=0, N=2] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=0, N=2] [L77] COND TRUE 6 0 <= k && k < N VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L27] JOIN 1 join 1; VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L28] JOIN 2 join 4, 4, 4, 4; VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L29] JOIN 3 join 5, 5, 5, 5, 5; VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L30] JOIN 4 join 6, 6, 6, 6, 6, 6; VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L57] COND TRUE 5 j < N VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L78] 6 B[k] := k; VAL [cnt=0, i=0, j=0, k=0, m=0, N=2] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=0, N=2] [L77] COND FALSE 6 !(0 <= k && k < N) VAL [cnt=0, i=0, j=0, k=-1, m=0, N=2] [L59] 5 cnt := cnt + 1; VAL [cnt=1, i=0, j=0, k=-1, m=0, N=2] [L65] 5 j := j + 1; VAL [cnt=1, i=0, j=1, k=-1, m=0, N=2] [L57] COND TRUE 5 j < N VAL [cnt=1, i=0, j=1, k=-1, m=0, N=2] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=1, i=0, j=1, k=-1, m=0, N=2] [L59] 5 cnt := cnt + 1; VAL [cnt=2, i=0, j=1, k=-1, m=0, N=2] [L65] 5 j := j + 1; VAL [cnt=2, i=0, j=2, k=-1, m=0, N=2] [L57] COND FALSE 5 !(j < N) VAL [cnt=2, i=0, j=2, k=-1, m=0, N=2] [L31] JOIN 5 join 2, 2 assign result; VAL [cnt=2, i=0, j=2, k=-1, m=0, N=2, result=2] [L32] JOIN 6 join 3, 3, 3; VAL [cnt=2, i=0, j=2, k=-1, m=0, N=2, result=2] [L34] 0 assert result >= 1 ==> A[m] > 0 && B[m] > 0; VAL [cnt=2, i=0, j=2, k=-1, m=0, N=2, result=2] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 10 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 129/133 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 RESULT: Ultimate proved your program to be incorrect! [2022-10-06 04:54:27,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-06 04:54:27,897 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...