./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe015_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d2ba6107 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ed03bf56a68b0ba240fc33c794b8871860875fa75320178f23c03b98fa54cab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-d2ba610-m [2023-11-21 21:21:36,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:21:36,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 21:21:36,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:21:36,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:21:36,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:21:36,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:21:36,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:21:36,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:21:36,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:21:36,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:21:36,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:21:36,852 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:21:36,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:21:36,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:21:36,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:21:36,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:21:36,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:21:36,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:21:36,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:21:36,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:21:36,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:21:36,855 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:21:36,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:21:36,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:21:36,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:21:36,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:21:36,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:21:36,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:21:36,857 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 21:21:36,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:21:36,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:21:36,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:21:36,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:21:36,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:21:36,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:21:36,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:21:36,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:21:36,859 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 21:21:36,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 21:21:36,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:21:36,859 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 21:21:36,859 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 21:21:36,860 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed03bf56a68b0ba240fc33c794b8871860875fa75320178f23c03b98fa54cab [2023-11-21 21:21:37,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:21:37,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:21:37,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:21:37,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:21:37,081 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:21:37,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_power.opt.i [2023-11-21 21:21:38,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:21:38,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:21:38,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_power.opt.i [2023-11-21 21:21:38,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6eb688948/df7d48386e594fe2bfefe14baef42c1b/FLAGff962871f [2023-11-21 21:21:38,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6eb688948/df7d48386e594fe2bfefe14baef42c1b [2023-11-21 21:21:38,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:21:38,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:21:38,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:21:38,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:21:38,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:21:38,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:21:38" (1/1) ... [2023-11-21 21:21:38,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388d4955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:38, skipping insertion in model container [2023-11-21 21:21:38,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:21:38" (1/1) ... [2023-11-21 21:21:38,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:21:38,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:21:38,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:21:38,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:21:39,007 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:21:39,007 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:21:39,013 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:21:39,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39 WrapperNode [2023-11-21 21:21:39,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:21:39,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:21:39,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:21:39,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:21:39,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,106 INFO L138 Inliner]: procedures = 176, calls = 87, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 796 [2023-11-21 21:21:39,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:21:39,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:21:39,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:21:39,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:21:39,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:21:39,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:21:39,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:21:39,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:21:39,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (1/1) ... [2023-11-21 21:21:39,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:21:39,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 21:21:39,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:21:39,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:21:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 21:21:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 21:21:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 21:21:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 21:21:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 21:21:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 21:21:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:21:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:21:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:21:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:21:39,272 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 21:21:39,603 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:21:39,604 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:21:41,176 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:22:10,172 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:22:10,173 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:22:10,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:22:10 BoogieIcfgContainer [2023-11-21 21:22:10,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:22:10,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:22:10,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:22:10,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:22:10,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:21:38" (1/3) ... [2023-11-21 21:22:10,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70340410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:22:10, skipping insertion in model container [2023-11-21 21:22:10,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:21:39" (2/3) ... [2023-11-21 21:22:10,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70340410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:22:10, skipping insertion in model container [2023-11-21 21:22:10,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:22:10" (3/3) ... [2023-11-21 21:22:10,180 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.opt.i [2023-11-21 21:22:10,187 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:22:10,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:22:10,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 448 error locations. [2023-11-21 21:22:10,194 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:22:10,890 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 21:22:10,925 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:22:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 21:22:10,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 21:22:10,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-21 21:22:10,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-21 21:22:11,001 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 21:22:11,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2023-11-21 21:22:11,018 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=LoopHeads, 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;@549ad85d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:22:11,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 178 error locations.