/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 17:04:45,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 17:04:45,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 17:04:45,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-09 17:04:45,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 17:04:45,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 17:04:45,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 17:04:45,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 17:04:45,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 17:04:45,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 17:04:45,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 17:04:45,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 17:04:45,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 17:04:45,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 17:04:45,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 17:04:45,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 17:04:45,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 17:04:45,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 17:04:45,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 17:04:45,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 17:04:45,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 17:04:45,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 17:04:45,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 17:04:45,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 17:04:45,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 17:04:45,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 17:04:45,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 17:04:45,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 17:04:45,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 17:04:45,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 17:04:45,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 17:04:45,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 17:04:45,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 17:04:45,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 17:04:45,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 17:04:45,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 17:04:45,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 17:04:45,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 17:04:45,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 17:04:45,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 17:04:45,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 17:04:45,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 17:04:45,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 17:04:45,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 17:04:45,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 17:04:45,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 17:04:45,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 17:04:45,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 17:04:45,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 17:04:45,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 17:04:45,276 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 17:04:45,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 17:04:45,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 17:04:45,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 17:04:45,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 17:04:45,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 17:04:45,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 17:04:45,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 17:04:45,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 17:04:45,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 17:04:45,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 17:04:45,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:04:45,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 17:04:45,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 17:04:45,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 17:04:45,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 17:04:45,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 17:04:45,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 17:04:45,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 17:04:45,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 17:04:45,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 17:04:45,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 17:04:45,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-11-09 17:04:45,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08125c1c7/3054c93becf44629b5d37cc169f27838/FLAG4dd1a70be [2022-11-09 17:04:45,903 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 17:04:45,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-11-09 17:04:45,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08125c1c7/3054c93becf44629b5d37cc169f27838/FLAG4dd1a70be [2022-11-09 17:04:45,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08125c1c7/3054c93becf44629b5d37cc169f27838 [2022-11-09 17:04:45,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 17:04:45,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 17:04:45,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 17:04:45,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 17:04:45,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 17:04:45,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:45" (1/1) ... [2022-11-09 17:04:45,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561183c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:45, skipping insertion in model container [2022-11-09 17:04:45,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:45" (1/1) ... [2022-11-09 17:04:45,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 17:04:45,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 17:04:46,205 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-bakery-4.wvr.c[7978,7991] [2022-11-09 17:04:46,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:04:46,217 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 17:04:46,270 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-bakery-4.wvr.c[7978,7991] [2022-11-09 17:04:46,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:04:46,289 INFO L208 MainTranslator]: Completed translation [2022-11-09 17:04:46,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46 WrapperNode [2022-11-09 17:04:46,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 17:04:46,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 17:04:46,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 17:04:46,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 17:04:46,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,368 INFO L138 Inliner]: procedures = 23, calls = 176, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 1020 [2022-11-09 17:04:46,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 17:04:46,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 17:04:46,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 17:04:46,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 17:04:46,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 17:04:46,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 17:04:46,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 17:04:46,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 17:04:46,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2022-11-09 17:04:46,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:04:46,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:04:46,451 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) [2022-11-09 17:04:46,473 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 [2022-11-09 17:04:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 17:04:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-09 17:04:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-09 17:04:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-09 17:04:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-09 17:04:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-09 17:04:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 17:04:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 17:04:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 17:04:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 17:04:46,501 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 17:04:46,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 17:04:46,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 17:04:47,407 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 17:04:47,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 17:04:47,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 17:04:47,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:47 BoogieIcfgContainer [2022-11-09 17:04:47,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 17:04:47,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 17:04:47,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 17:04:47,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 17:04:47,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:04:45" (1/3) ... [2022-11-09 17:04:47,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dbf5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:47, skipping insertion in model container [2022-11-09 17:04:47,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (2/3) ... [2022-11-09 17:04:47,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dbf5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:47, skipping insertion in model container [2022-11-09 17:04:47,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:47" (3/3) ... [2022-11-09 17:04:47,803 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2022-11-09 17:04:47,812 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 17:04:47,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 17:04:47,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 195 error locations. [2022-11-09 17:04:47,818 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 17:04:47,925 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-09 17:04:47,961 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:04:47,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:04:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:04:47,963 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) [2022-11-09 17:04:47,979 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 [2022-11-09 17:04:47,998 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:04:48,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-11-09 17:04:48,009 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;@f335cd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:04:48,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-11-09 17:04:48,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-11-09 17:04:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:04:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1166839146, now seen corresponding path program 1 times [2022-11-09 17:04:48,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 17:04:48,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15436228] [2022-11-09 17:04:48,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:04:48,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:04:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:04:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 17:04:48,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 17:04:48,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15436228] [2022-11-09 17:04:48,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15436228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:04:48,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:04:48,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:04:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479741755] [2022-11-09 17:04:48,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:04:48,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:04:48,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 17:04:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:04:48,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:04:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:04:48,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:04:48,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 17:04:48,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.