/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:08:49,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:08:49,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:08:49,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:08:49,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:08:49,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:08:49,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:08:49,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:08:49,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:08:49,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:08:49,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:08:49,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:08:49,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:08:49,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:08:49,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:08:49,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:08:49,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:08:49,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:08:49,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:08:49,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:08:49,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:08:49,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:08:49,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:08:49,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:08:49,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:08:49,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:08:49,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:08:49,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:08:49,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:08:49,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:08:49,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:08:49,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:08:49,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:08:49,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:08:49,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:08:49,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:08:49,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:08:49,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:08:49,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:08:49,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:08:49,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:08:49,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:08:50,001 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:08:50,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:08:50,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:08:50,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:08:50,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:08:50,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:08:50,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:08:50,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:08:50,003 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:08:50,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:08:50,003 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:08:50,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:08:50,006 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:08:50,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:08:50,007 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:08:50,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:08:50,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:08:50,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:08:50,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:08:50,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:08:50,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:08:50,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:08:50,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:08:50,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:08:50,010 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:08:50,010 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:08:50,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:08:50,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:08:50,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:08:50,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:08:50,011 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:08:50,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:08:50,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:08:50,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:08:50,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:08:50,240 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:08:50,241 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:08:50,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-05-04 06:08:50,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c768428/fc28581abe72462fb4eb48642dd9599a/FLAG3ea4b3a41 [2023-05-04 06:08:50,686 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:08:50,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-05-04 06:08:50,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c768428/fc28581abe72462fb4eb48642dd9599a/FLAG3ea4b3a41 [2023-05-04 06:08:50,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c768428/fc28581abe72462fb4eb48642dd9599a [2023-05-04 06:08:50,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:08:50,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:08:50,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:08:50,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:08:50,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:08:50,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:08:50" (1/1) ... [2023-05-04 06:08:50,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae00013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:50, skipping insertion in model container [2023-05-04 06:08:50,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:08:50" (1/1) ... [2023-05-04 06:08:50,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:08:50,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:08:50,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2023-05-04 06:08:51,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:08:51,010 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:08:51,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2023-05-04 06:08:51,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:08:51,070 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:08:51,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51 WrapperNode [2023-05-04 06:08:51,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:08:51,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:08:51,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:08:51,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:08:51,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,113 INFO L138 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 253 [2023-05-04 06:08:51,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:08:51,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:08:51,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:08:51,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:08:51,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:08:51,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:08:51,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:08:51,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:08:51,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (1/1) ... [2023-05-04 06:08:51,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:08:51,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:08:51,180 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) [2023-05-04 06:08:51,181 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 [2023-05-04 06:08:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:08:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:08:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:08:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:08:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:08:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:08:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:08:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:08:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 06:08:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 06:08:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-04 06:08:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-04 06:08:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:08:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:08:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:08:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:08:51,216 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:08:51,309 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:08:51,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:08:51,586 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:08:51,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:08:51,682 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 06:08:51,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:08:51 BoogieIcfgContainer [2023-05-04 06:08:51,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:08:51,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:08:51,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:08:51,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:08:51,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:08:50" (1/3) ... [2023-05-04 06:08:51,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6464df69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:08:51, skipping insertion in model container [2023-05-04 06:08:51,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:08:51" (2/3) ... [2023-05-04 06:08:51,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6464df69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:08:51, skipping insertion in model container [2023-05-04 06:08:51,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:08:51" (3/3) ... [2023-05-04 06:08:51,692 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2023-05-04 06:08:51,699 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:08:51,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:08:51,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:08:51,707 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:08:51,866 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-05-04 06:08:51,911 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:08:51,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:08:51,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:08:51,913 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) [2023-05-04 06:08:51,920 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 [2023-05-04 06:08:51,951 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:08:51,959 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.computeEffectiveGlobalVars(ParameterizedPreferenceOrderUtils.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.(ParameterizedPreferenceOrderUtils.java:62) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.getPreferenceOrder(PartialOrderReductionFacade.java:207) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.(PartialOrderReductionFacade.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.(PartialOrderCegarLoop.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-04 06:08:51,963 INFO L158 Benchmark]: Toolchain (without parser) took 1255.80ms. Allocated memory is still 183.5MB. Free memory was 128.2MB in the beginning and 107.0MB in the end (delta: 21.2MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,963 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:08:51,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.88ms. Allocated memory is still 183.5MB. Free memory was 128.1MB in the beginning and 157.3MB in the end (delta: -29.2MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.92ms. Allocated memory is still 183.5MB. Free memory was 157.3MB in the beginning and 155.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,965 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 183.5MB. Free memory was 155.0MB in the beginning and 153.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,965 INFO L158 Benchmark]: RCFGBuilder took 530.83ms. Allocated memory is still 183.5MB. Free memory was 153.1MB in the beginning and 129.3MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,966 INFO L158 Benchmark]: TraceAbstraction took 275.12ms. Allocated memory is still 183.5MB. Free memory was 128.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 06:08:51,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.88ms. Allocated memory is still 183.5MB. Free memory was 128.1MB in the beginning and 157.3MB in the end (delta: -29.2MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.92ms. Allocated memory is still 183.5MB. Free memory was 157.3MB in the beginning and 155.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 183.5MB. Free memory was 155.0MB in the beginning and 153.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 530.83ms. Allocated memory is still 183.5MB. Free memory was 153.1MB in the beginning and 129.3MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 275.12ms. Allocated memory is still 183.5MB. Free memory was 128.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.computeEffectiveGlobalVars(ParameterizedPreferenceOrderUtils.java:145) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 06:08:51,999 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 [2023-05-04 06:08:52,209 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...