./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:54:17,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:54:17,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:54:17,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:54:17,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:54:17,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:54:17,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:54:17,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:54:17,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:54:17,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:54:17,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:54:17,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:54:17,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:54:17,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:54:17,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:54:17,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:54:17,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:54:17,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:54:17,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:54:17,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:54:17,073 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:54:17,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:54:17,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:54:17,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:54:17,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:54:17,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:54:17,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:54:17,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:54:17,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:54:17,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:54:17,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:54:17,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:54:17,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:54:17,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:54:17,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:54:17,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:54:17,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:54:17,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:54:17,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:54:17,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:54:17,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:54:17,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:54:17,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:54:17,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:54:17,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:54:17,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:54:17,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:54:17,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:54:17,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:54:17,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:54:17,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:54:17,123 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:54:17,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:54:17,124 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:54:17,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:54:17,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:54:17,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:54:17,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:54:17,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:54:17,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:54:17,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:54:17,125 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:54:17,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:54:17,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:54:17,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:54:17,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:54:17,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:54:17,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:54:17,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:54:17,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:54:17,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:54:17,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:54:17,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:54:17,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:54:17,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:54:17,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:54:17,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:54:17,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:54:17,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb [2022-04-18 15:54:17,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:54:17,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:54:17,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:54:17,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:54:17,358 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:54:17,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2022-04-18 15:54:17,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7723fd098/9198fe9b42a24f15a7caa1ed463a2269/FLAG1bb0360a8 [2022-04-18 15:54:17,768 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:54:17,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2022-04-18 15:54:17,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7723fd098/9198fe9b42a24f15a7caa1ed463a2269/FLAG1bb0360a8 [2022-04-18 15:54:18,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7723fd098/9198fe9b42a24f15a7caa1ed463a2269 [2022-04-18 15:54:18,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:54:18,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:54:18,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:54:18,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:54:18,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:54:18,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf381e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18, skipping insertion in model container [2022-04-18 15:54:18,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:54:18,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:54:18,312 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 15:54:18,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[30448,30461] [2022-04-18 15:54:18,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[30811,30824] [2022-04-18 15:54:18,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31483,31496] [2022-04-18 15:54:18,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31534,31547] [2022-04-18 15:54:18,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31683,31696] [2022-04-18 15:54:18,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31760,31773] [2022-04-18 15:54:18,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31807,31820] [2022-04-18 15:54:18,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31916,31929] [2022-04-18 15:54:18,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32035,32048] [2022-04-18 15:54:18,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32083,32096] [2022-04-18 15:54:18,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32160,32173] [2022-04-18 15:54:18,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32286,32299] [2022-04-18 15:54:18,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32897,32910] [2022-04-18 15:54:18,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32974,32987] [2022-04-18 15:54:18,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:54:18,498 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:54:18,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 15:54:18,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[30448,30461] [2022-04-18 15:54:18,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[30811,30824] [2022-04-18 15:54:18,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31483,31496] [2022-04-18 15:54:18,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31534,31547] [2022-04-18 15:54:18,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31683,31696] [2022-04-18 15:54:18,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31760,31773] [2022-04-18 15:54:18,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31807,31820] [2022-04-18 15:54:18,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[31916,31929] [2022-04-18 15:54:18,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32035,32048] [2022-04-18 15:54:18,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32083,32096] [2022-04-18 15:54:18,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32160,32173] [2022-04-18 15:54:18,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32286,32299] [2022-04-18 15:54:18,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32897,32910] [2022-04-18 15:54:18,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i[32974,32987] [2022-04-18 15:54:18,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:54:18,591 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:54:18,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18 WrapperNode [2022-04-18 15:54:18,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:54:18,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:54:18,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:54:18,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:54:18,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,665 INFO L137 Inliner]: procedures = 174, calls = 73, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 805 [2022-04-18 15:54:18,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:54:18,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:54:18,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:54:18,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:54:18,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:54:18,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:54:18,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:54:18,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:54:18,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (1/1) ... [2022-04-18 15:54:18,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:54:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:54:18,797 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) [2022-04-18 15:54:18,812 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 [2022-04-18 15:54:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-04-18 15:54:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:54:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-18 15:54:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:54:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:54:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:54:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:54:18,845 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:54:18,979 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:54:18,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:54:19,734 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:54:19,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:54:19,749 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-04-18 15:54:19,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:54:19 BoogieIcfgContainer [2022-04-18 15:54:19,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:54:19,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:54:19,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:54:19,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:54:19,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:54:18" (1/3) ... [2022-04-18 15:54:19,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552a6c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:54:19, skipping insertion in model container [2022-04-18 15:54:19,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:18" (2/3) ... [2022-04-18 15:54:19,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552a6c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:54:19, skipping insertion in model container [2022-04-18 15:54:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:54:19" (3/3) ... [2022-04-18 15:54:19,762 INFO L111 eAbstractionObserver]: Analyzing ICFG one_time_barrier_twice_2t.i [2022-04-18 15:54:19,765 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:54:19,765 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:54:19,766 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-04-18 15:54:19,766 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:54:19,861 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 15:54:19,904 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:54:19,911 INFO L340 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=PETRI_NET, 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 [2022-04-18 15:54:19,911 INFO L341 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2022-04-18 15:54:19,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 928 transitions, 1864 flow [2022-04-18 15:54:20,333 INFO L129 PetriNetUnfolder]: 95/1352 cut-off events. [2022-04-18 15:54:20,333 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:54:20,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1358 conditions, 1352 events. 95/1352 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4543 event pairs, 0 based on Foata normal form. 0/1139 useless extension candidates. Maximal degree in co-relation 794. Up to 4 conditions per place. [2022-04-18 15:54:20,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 868 places, 928 transitions, 1864 flow [2022-04-18 15:54:20,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 868 places, 928 transitions, 1864 flow [2022-04-18 15:54:20,379 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2022-04-18 15:54:20,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:54:20,379 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:20,380 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:20,380 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-04-18 15:54:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:20,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1026891982, now seen corresponding path program 1 times [2022-04-18 15:54:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:20,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100848225] [2022-04-18 15:54:20,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:20,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100848225] [2022-04-18 15:54:20,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100848225] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:20,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:20,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:54:20,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580508017] [2022-04-18 15:54:20,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:20,675 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:54:20,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:20,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:54:20,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:54:20,700 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 928 [2022-04-18 15:54:20,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 928 transitions, 1864 flow. Second operand has 6 states, 6 states have (on average 496.8333333333333) internal successors, (2981), 6 states have internal predecessors, (2981), 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) [2022-04-18 15:54:20,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:20,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 928 [2022-04-18 15:54:20,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:54:36,446 INFO L129 PetriNetUnfolder]: 31092/97788 cut-off events. [2022-04-18 15:54:36,447 INFO L130 PetriNetUnfolder]: For 9/14 co-relation queries the response was YES. [2022-04-18 15:54:36,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155432 conditions, 97788 events. 31092/97788 cut-off events. For 9/14 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 1055207 event pairs, 27666 based on Foata normal form. 7764/88455 useless extension candidates. Maximal degree in co-relation 154665. Up to 57633 conditions per place. [2022-04-18 15:54:36,915 INFO L132 encePairwiseOnDemand]: 878/928 looper letters, 383 selfloop transitions, 5 changer transitions 2/883 dead transitions. [2022-04-18 15:54:36,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 883 transitions, 2550 flow [2022-04-18 15:54:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:54:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:54:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3403 transitions. [2022-04-18 15:54:36,938 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6111709770114943 [2022-04-18 15:54:36,939 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3403 transitions. [2022-04-18 15:54:36,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3403 transitions. [2022-04-18 15:54:36,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:54:36,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3403 transitions. [2022-04-18 15:54:36,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 567.1666666666666) internal successors, (3403), 6 states have internal predecessors, (3403), 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) [2022-04-18 15:54:36,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 928.0) internal successors, (6496), 7 states have internal predecessors, (6496), 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) [2022-04-18 15:54:36,976 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 928.0) internal successors, (6496), 7 states have internal predecessors, (6496), 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) [2022-04-18 15:54:36,977 INFO L186 Difference]: Start difference. First operand has 868 places, 928 transitions, 1864 flow. Second operand 6 states and 3403 transitions. [2022-04-18 15:54:36,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 883 transitions, 2550 flow [2022-04-18 15:54:36,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 883 transitions, 2550 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:54:37,003 INFO L242 Difference]: Finished difference. Result has 872 places, 881 transitions, 1780 flow [2022-04-18 15:54:37,006 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1774, PETRI_DIFFERENCE_MINUEND_PLACES=867, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=878, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1780, PETRI_PLACES=872, PETRI_TRANSITIONS=881} [2022-04-18 15:54:37,010 INFO L335 CegarLoopForPetriNet]: 868 programPoint places, 4 predicate places. [2022-04-18 15:54:37,014 INFO L478 AbstractCegarLoop]: Abstraction has has 872 places, 881 transitions, 1780 flow [2022-04-18 15:54:37,016 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 496.8333333333333) internal successors, (2981), 6 states have internal predecessors, (2981), 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) [2022-04-18 15:54:37,016 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:37,016 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:37,017 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:54:37,017 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-04-18 15:54:37,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:37,018 INFO L85 PathProgramCache]: Analyzing trace with hash -970547050, now seen corresponding path program 1 times [2022-04-18 15:54:37,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:37,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452280555] [2022-04-18 15:54:37,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:37,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:37,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:37,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452280555] [2022-04-18 15:54:37,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452280555] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:37,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:37,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:54:37,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375336175] [2022-04-18 15:54:37,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:37,084 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:54:37,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:37,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:54:37,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:54:37,087 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 855 out of 928 [2022-04-18 15:54:37,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 872 places, 881 transitions, 1780 flow. Second operand has 3 states, 3 states have (on average 856.0) internal successors, (2568), 3 states have internal predecessors, (2568), 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) [2022-04-18 15:54:37,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:37,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 855 of 928 [2022-04-18 15:54:37,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:54:37,498 INFO L129 PetriNetUnfolder]: 28/1311 cut-off events. [2022-04-18 15:54:37,499 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 15:54:37,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1380 conditions, 1311 events. 28/1311 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4512 event pairs, 0 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1265. Up to 29 conditions per place. [2022-04-18 15:54:37,518 INFO L132 encePairwiseOnDemand]: 925/928 looper letters, 49 selfloop transitions, 2 changer transitions 0/904 dead transitions. [2022-04-18 15:54:37,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 904 transitions, 1936 flow [2022-04-18 15:54:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:54:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:54:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2617 transitions. [2022-04-18 15:54:37,523 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9400143678160919 [2022-04-18 15:54:37,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2617 transitions. [2022-04-18 15:54:37,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2617 transitions. [2022-04-18 15:54:37,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:54:37,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2617 transitions. [2022-04-18 15:54:37,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 872.3333333333334) internal successors, (2617), 3 states have internal predecessors, (2617), 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) [2022-04-18 15:54:37,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 928.0) internal successors, (3712), 4 states have internal predecessors, (3712), 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) [2022-04-18 15:54:37,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 928.0) internal successors, (3712), 4 states have internal predecessors, (3712), 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) [2022-04-18 15:54:37,533 INFO L186 Difference]: Start difference. First operand has 872 places, 881 transitions, 1780 flow. Second operand 3 states and 2617 transitions. [2022-04-18 15:54:37,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 904 transitions, 1936 flow [2022-04-18 15:54:37,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 867 places, 904 transitions, 1918 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 15:54:37,545 INFO L242 Difference]: Finished difference. Result has 868 places, 882 transitions, 1782 flow [2022-04-18 15:54:37,546 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1770, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1782, PETRI_PLACES=868, PETRI_TRANSITIONS=882} [2022-04-18 15:54:37,547 INFO L335 CegarLoopForPetriNet]: 868 programPoint places, 0 predicate places. [2022-04-18 15:54:37,547 INFO L478 AbstractCegarLoop]: Abstraction has has 868 places, 882 transitions, 1782 flow [2022-04-18 15:54:37,548 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 856.0) internal successors, (2568), 3 states have internal predecessors, (2568), 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) [2022-04-18 15:54:37,548 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:37,548 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:37,549 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:54:37,549 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-04-18 15:54:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1240335409, now seen corresponding path program 1 times [2022-04-18 15:54:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:37,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497713679] [2022-04-18 15:54:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:37,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:37,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:37,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497713679] [2022-04-18 15:54:37,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497713679] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:37,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:37,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:54:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611026489] [2022-04-18 15:54:37,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:37,677 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:54:37,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:37,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:54:37,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:54:37,680 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 928 [2022-04-18 15:54:37,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 882 transitions, 1782 flow. Second operand has 6 states, 6 states have (on average 497.8333333333333) internal successors, (2987), 6 states have internal predecessors, (2987), 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) [2022-04-18 15:54:37,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:37,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 928 [2022-04-18 15:54:37,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:54:52,788 INFO L129 PetriNetUnfolder]: 31092/97813 cut-off events. [2022-04-18 15:54:52,789 INFO L130 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-04-18 15:54:52,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155487 conditions, 97813 events. 31092/97813 cut-off events. For 11/16 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 1055051 event pairs, 27666 based on Foata normal form. 0/80719 useless extension candidates. Maximal degree in co-relation 155388. Up to 57651 conditions per place. [2022-04-18 15:54:53,235 INFO L132 encePairwiseOnDemand]: 922/928 looper letters, 383 selfloop transitions, 5 changer transitions 0/881 dead transitions. [2022-04-18 15:54:53,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 881 transitions, 2556 flow [2022-04-18 15:54:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:54:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:54:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3358 transitions. [2022-04-18 15:54:53,242 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6030890804597702 [2022-04-18 15:54:53,242 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3358 transitions. [2022-04-18 15:54:53,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3358 transitions. [2022-04-18 15:54:53,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:54:53,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3358 transitions. [2022-04-18 15:54:53,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 559.6666666666666) internal successors, (3358), 6 states have internal predecessors, (3358), 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) [2022-04-18 15:54:53,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 928.0) internal successors, (6496), 7 states have internal predecessors, (6496), 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) [2022-04-18 15:54:53,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 928.0) internal successors, (6496), 7 states have internal predecessors, (6496), 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) [2022-04-18 15:54:53,258 INFO L186 Difference]: Start difference. First operand has 868 places, 882 transitions, 1782 flow. Second operand 6 states and 3358 transitions. [2022-04-18 15:54:53,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 881 transitions, 2556 flow [2022-04-18 15:54:53,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 881 transitions, 2554 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:54:53,272 INFO L242 Difference]: Finished difference. Result has 871 places, 881 transitions, 1788 flow [2022-04-18 15:54:53,273 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1778, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1788, PETRI_PLACES=871, PETRI_TRANSITIONS=881} [2022-04-18 15:54:53,275 INFO L335 CegarLoopForPetriNet]: 868 programPoint places, 3 predicate places. [2022-04-18 15:54:53,275 INFO L478 AbstractCegarLoop]: Abstraction has has 871 places, 881 transitions, 1788 flow [2022-04-18 15:54:53,277 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 497.8333333333333) internal successors, (2987), 6 states have internal predecessors, (2987), 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) [2022-04-18 15:54:53,277 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:53,277 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:53,277 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 15:54:53,278 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-04-18 15:54:53,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash 394414551, now seen corresponding path program 1 times [2022-04-18 15:54:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709041673] [2022-04-18 15:54:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:53,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:53,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709041673] [2022-04-18 15:54:53,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709041673] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:53,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:53,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:54:53,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115463189] [2022-04-18 15:54:53,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:53,432 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:54:53,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:53,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:54:53,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:54:53,435 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 928 [2022-04-18 15:54:53,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 871 places, 881 transitions, 1788 flow. Second operand has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 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) [2022-04-18 15:54:53,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:53,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 928 [2022-04-18 15:54:53,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand