/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk16/parallel-barrier-loop.wvr.line440.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-21 18:38:50,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-21 18:38:50,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-21 18:38:50,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-21 18:38:50,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-21 18:38:50,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-21 18:38:50,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-21 18:38:50,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-21 18:38:50,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-21 18:38:50,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-21 18:38:50,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-21 18:38:50,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-21 18:38:50,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-21 18:38:50,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-21 18:38:50,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-21 18:38:50,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-21 18:38:50,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-21 18:38:50,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-21 18:38:50,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-21 18:38:50,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-21 18:38:50,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-21 18:38:50,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-21 18:38:50,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-21 18:38:50,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-21 18:38:50,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-21 18:38:50,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-21 18:38:50,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-21 18:38:50,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-21 18:38:50,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-21 18:38:50,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-21 18:38:50,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-21 18:38:50,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-21 18:38:50,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-21 18:38:50,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-21 18:38:50,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-21 18:38:50,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-21 18:38:50,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-21 18:38:50,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-21 18:38:50,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-21 18:38:50,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-21 18:38:50,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-21 18:38:50,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-21 18:38:50,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-21 18:38:50,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-21 18:38:50,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-21 18:38:50,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-21 18:38:50,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-21 18:38:50,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-21 18:38:50,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-21 18:38:50,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-21 18:38:50,690 INFO L138 SettingsManager]: * Use SBE=true [2022-10-21 18:38:50,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-21 18:38:50,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-21 18:38:50,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-21 18:38:50,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-21 18:38:50,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-21 18:38:50,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-21 18:38:50,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-21 18:38:50,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 18:38:50,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-21 18:38:50,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-21 18:38:50,703 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-21 18:38:50,704 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-21 18:38:50,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-21 18:38:50,704 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-21 18:38:50,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-21 18:38:51,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-21 18:38:51,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-21 18:38:51,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-21 18:38:51,033 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-21 18:38:51,034 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-21 18:38:51,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk16/parallel-barrier-loop.wvr.line440.bpl [2022-10-21 18:38:51,037 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk16/parallel-barrier-loop.wvr.line440.bpl' [2022-10-21 18:38:51,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-21 18:38:51,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-21 18:38:51,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-21 18:38:51,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-21 18:38:51,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-21 18:38:51,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,140 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-21 18:38:51,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-21 18:38:51,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-21 18:38:51,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-21 18:38:51,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-21 18:38:51,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-21 18:38:51,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-21 18:38:51,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-21 18:38:51,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-21 18:38:51,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/1) ... [2022-10-21 18:38:51,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 18:38:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:38:51,245 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) [2022-10-21 18:38:51,263 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 [2022-10-21 18:38:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-21 18:38:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-21 18:38:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-21 18:38:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-21 18:38:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-21 18:38:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-21 18:38:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-21 18:38:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-21 18:38:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-21 18:38:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-21 18:38:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-10-21 18:38:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-10-21 18:38:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-10-21 18:38:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-10-21 18:38:51,284 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-21 18:38:51,411 INFO L234 CfgBuilder]: Building ICFG [2022-10-21 18:38:51,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-21 18:38:51,984 INFO L275 CfgBuilder]: Performing block encoding [2022-10-21 18:38:52,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-21 18:38:52,012 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-21 18:38:52,014 INFO L202 PluginConnector]: Adding new model parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:38:52 BoogieIcfgContainer [2022-10-21 18:38:52,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-21 18:38:52,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-21 18:38:52,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-21 18:38:52,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-21 18:38:52,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 06:38:51" (1/2) ... [2022-10-21 18:38:52,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62779d10 and model type parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 06:38:52, skipping insertion in model container [2022-10-21 18:38:52,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-barrier-loop.wvr.line440.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:38:52" (2/2) ... [2022-10-21 18:38:52,026 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.line440.bpl [2022-10-21 18:38:52,032 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-21 18:38:52,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-21 18:38:52,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-21 18:38:52,039 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-21 18:38:52,147 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-10-21 18:38:52,195 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:38:52,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:38:52,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:38:52,198 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) [2022-10-21 18:38:52,199 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 [2022-10-21 18:38:52,218 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,230 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:38:52,230 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:38:52,230 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:38:52,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:38:52,240 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:38:52,243 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 18:38:52,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:38:52,249 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:38:52,251 INFO L307 ceAbstractionStarter]: Result for error location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/12) [2022-10-21 18:38:52,258 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:38:52,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:38:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:38:52,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:38:52,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-21 18:38:52,264 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,266 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:38:52,266 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:38:52,266 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:38:52,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:38:52,267 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:38:52,267 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 18:38:52,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:38:52,268 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:38:52,269 INFO L307 ceAbstractionStarter]: Result for error location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/12) [2022-10-21 18:38:52,275 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:38:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:38:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:38:52,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:38:52,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-21 18:38:52,281 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,282 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:38:52,282 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:38:52,282 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:38:52,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:38:52,283 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:38:52,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:38:52,330 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:38:52,331 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/12) [2022-10-21 18:38:52,336 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:38:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:38:52,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:38:52,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:38:52,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-21 18:38:52,348 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,349 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:38:52,349 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:38:52,349 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:38:52,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:38:52,350 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:38:52,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:39:28,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:39:28,433 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:39:28,434 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/12) [2022-10-21 18:39:28,438 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:39:28,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:39:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:39:28,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:39:28,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-21 18:39:28,447 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,448 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:39:28,448 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:39:28,448 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:39:28,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Err0ASSERT_VIOLATIONASSERT ======== [2022-10-21 18:39:28,449 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:39:28,449 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 18:39:28,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 18:39:28,450 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:39:28,450 INFO L307 ceAbstractionStarter]: Result for error location thread4Err0ASSERT_VIOLATIONASSERT was SAFE (5/12) [2022-10-21 18:39:28,454 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:39:28,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:39:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:39:28,464 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:39:28,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-21 18:39:28,467 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,468 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:39:28,468 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:39:28,468 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:39:28,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:39:28,469 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:39:28,469 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 18:39:28,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:39:28,470 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:39:28,470 INFO L307 ceAbstractionStarter]: Result for error location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (6/12) [2022-10-21 18:39:28,473 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:39:28,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:39:28,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:39:28,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:39:28,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-10-21 18:39:28,492 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,493 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:39:28,493 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:39:28,493 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:39:28,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:39:28,494 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 18:39:28,494 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 18:39:28,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 18:39:28,494 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 18:39:28,495 INFO L307 ceAbstractionStarter]: Result for error location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (7/12) [2022-10-21 18:39:28,499 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 18:39:28,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 18:39:28,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 18:39:28,542 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 18:39:28,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-10-21 18:39:28,546 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,546 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-21 18:39:28,547 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-21 18:39:28,547 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-21 18:39:28,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 18:39:28,547 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;@74a05fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 18:39:28,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.