/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 X --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-parallel-sum-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 15:13:19,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 15:13:19,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 15:13:19,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 15:13:19,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 15:13:19,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 15:13:19,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 15:13:19,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 15:13:19,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 15:13:19,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 15:13:19,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 15:13:19,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 15:13:19,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 15:13:19,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 15:13:19,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 15:13:19,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 15:13:19,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 15:13:19,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 15:13:19,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 15:13:19,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 15:13:19,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 15:13:19,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 15:13:19,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 15:13:19,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 15:13:19,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 15:13:19,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 15:13:19,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 15:13:19,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 15:13:19,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 15:13:19,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 15:13:19,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 15:13:19,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 15:13:19,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 15:13:19,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 15:13:19,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 15:13:19,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 15:13:19,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 15:13:19,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 15:13:19,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 15:13:19,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 15:13:19,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 15:13:19,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 15:13:19,592 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 15:13:19,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 15:13:19,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 15:13:19,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 15:13:19,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 15:13:19,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 15:13:19,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 15:13:19,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 15:13:19,594 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 15:13:19,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 15:13:19,595 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 15:13:19,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 15:13:19,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 15:13:19,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:13:19,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 15:13:19,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 15:13:19,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 15:13:19,601 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 15:13:19,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 15:13:19,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 15:13:19,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 15:13:19,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 15:13:19,867 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 15:13:19,867 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 15:13:19,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-05-04 15:13:19,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1da750d1e/fa22b87fe3f642be93e2a6e57a0bf71a/FLAG11868b468 [2023-05-04 15:13:20,273 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 15:13:20,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-05-04 15:13:20,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1da750d1e/fa22b87fe3f642be93e2a6e57a0bf71a/FLAG11868b468 [2023-05-04 15:13:20,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1da750d1e/fa22b87fe3f642be93e2a6e57a0bf71a [2023-05-04 15:13:20,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 15:13:20,678 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 15:13:20,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 15:13:20,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 15:13:20,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 15:13:20,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:13:20" (1/1) ... [2023-05-04 15:13:20,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c22d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:20, skipping insertion in model container [2023-05-04 15:13:20,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:13:20" (1/1) ... [2023-05-04 15:13:20,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 15:13:20,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 15:13:20,981 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-parallel-sum-equiv.wvr.c[3770,3783] [2023-05-04 15:13:20,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:13:21,000 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 15:13:21,019 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-parallel-sum-equiv.wvr.c[3770,3783] [2023-05-04 15:13:21,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:13:21,036 INFO L208 MainTranslator]: Completed translation [2023-05-04 15:13:21,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21 WrapperNode [2023-05-04 15:13:21,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 15:13:21,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 15:13:21,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 15:13:21,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 15:13:21,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,081 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2023-05-04 15:13:21,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 15:13:21,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 15:13:21,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 15:13:21,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 15:13:21,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 15:13:21,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 15:13:21,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 15:13:21,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 15:13:21,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (1/1) ... [2023-05-04 15:13:21,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:13:21,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:21,151 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 15:13:21,154 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 15:13:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 15:13:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 15:13:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 15:13:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 15:13:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 15:13:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 15:13:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 15:13:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 15:13:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 15:13:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 15:13:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 15:13:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 15:13:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 15:13:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 15:13:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 15:13:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 15:13:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 15:13:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 15:13:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 15:13:21,188 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 15:13:21,272 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 15:13:21,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 15:13:21,633 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 15:13:21,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 15:13:21,827 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 15:13:21,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:13:21 BoogieIcfgContainer [2023-05-04 15:13:21,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 15:13:21,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 15:13:21,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 15:13:21,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 15:13:21,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:13:20" (1/3) ... [2023-05-04 15:13:21,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75be833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:13:21, skipping insertion in model container [2023-05-04 15:13:21,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:13:21" (2/3) ... [2023-05-04 15:13:21,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75be833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:13:21, skipping insertion in model container [2023-05-04 15:13:21,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:13:21" (3/3) ... [2023-05-04 15:13:21,838 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2023-05-04 15:13:21,845 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 15:13:21,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 15:13:21,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 15:13:21,854 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 15:13:21,930 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-05-04 15:13:21,972 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:13:21,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 15:13:21,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:21,977 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 15:13:21,981 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 15:13:22,011 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 15:13:22,019 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 15:13:22,023 INFO L158 Benchmark]: Toolchain (without parser) took 1344.11ms. Allocated memory was 200.3MB in the beginning and 246.4MB in the end (delta: 46.1MB). Free memory was 175.6MB in the beginning and 150.7MB in the end (delta: 24.8MB). Peak memory consumption was 69.0MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,023 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 15:13:22,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.23ms. Allocated memory was 200.3MB in the beginning and 246.4MB in the end (delta: 46.1MB). Free memory was 175.2MB in the beginning and 218.3MB in the end (delta: -43.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.67ms. Allocated memory is still 246.4MB. Free memory was 218.3MB in the beginning and 215.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,025 INFO L158 Benchmark]: Boogie Preprocessor took 30.27ms. Allocated memory is still 246.4MB. Free memory was 215.8MB in the beginning and 214.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,026 INFO L158 Benchmark]: RCFGBuilder took 716.60ms. Allocated memory is still 246.4MB. Free memory was 214.1MB in the beginning and 171.2MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,026 INFO L158 Benchmark]: TraceAbstraction took 189.87ms. Allocated memory is still 246.4MB. Free memory was 170.1MB in the beginning and 150.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-05-04 15:13:22,029 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 200.3MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 358.23ms. Allocated memory was 200.3MB in the beginning and 246.4MB in the end (delta: 46.1MB). Free memory was 175.2MB in the beginning and 218.3MB in the end (delta: -43.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.67ms. Allocated memory is still 246.4MB. Free memory was 218.3MB in the beginning and 215.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.27ms. Allocated memory is still 246.4MB. Free memory was 215.8MB in the beginning and 214.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 716.60ms. Allocated memory is still 246.4MB. Free memory was 214.1MB in the beginning and 171.2MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 189.87ms. Allocated memory is still 246.4MB. Free memory was 170.1MB in the beginning and 150.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. 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 15:13:22,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 15:13:22,263 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...