./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R --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 dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:31:11,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:31:11,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:31:11,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:31:11,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:31:11,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:31:11,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:31:11,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:31:11,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:31:11,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:31:11,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:31:11,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:31:11,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:31:11,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:31:11,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:31:11,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:31:11,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:31:11,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:31:11,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:31:11,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:31:11,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:31:11,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:31:11,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:31:11,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:31:11,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:31:11,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:31:11,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:31:11,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:31:11,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:31:11,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:31:11,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:31:11,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:31:11,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:31:11,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:31:11,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:31:11,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:31:11,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:31:11,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:31:11,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:31:11,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:31:11,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:31:11,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:31:11,950 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:31:11,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:31:11,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:31:11,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:31:11,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:31:11,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:31:11,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:31:11,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:31:11,954 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:31:11,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:31:11,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:31:11,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:31:11,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:31:11,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:31:11,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:31:11,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:31:11,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:31:11,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:31:11,957 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:31:11,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:31:11,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:31:11,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:31:11,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:31:11,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:31:11,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:31:11,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:31:11,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:11,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:31:11,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:31:11,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:31:11,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:31:11,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:31:11,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:31:11,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:31:11,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:31:11,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:31:11,963 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-11-25 17:31:12,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:31:12,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:31:12,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:31:12,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:31:12,339 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:31:12,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-25 17:31:15,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:31:16,384 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:31:16,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-25 17:31:16,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/data/29b19f439/fe108d1fd4d74f4681586bba00762357/FLAG9a056becf [2022-11-25 17:31:16,434 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/data/29b19f439/fe108d1fd4d74f4681586bba00762357 [2022-11-25 17:31:16,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:31:16,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:31:16,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:16,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:31:16,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:31:16,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:16,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d2537b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:16, skipping insertion in model container [2022-11-25 17:31:16,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:16" (1/1) ... [2022-11-25 17:31:16,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:31:16,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:31:17,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-25 17:31:17,179 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,182 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,187 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,190 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:17,257 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:31:17,300 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-25 17:31:17,307 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,309 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,310 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,311 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:31:17,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:17,400 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:31:17,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17 WrapperNode [2022-11-25 17:31:17,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:17,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:17,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:31:17,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:31:17,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,487 INFO L138 Inliner]: procedures = 278, calls = 51, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 355 [2022-11-25 17:31:17,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:17,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:31:17,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:31:17,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:31:17,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:31:17,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:31:17,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:31:17,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:31:17,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (1/1) ... [2022-11-25 17:31:17,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:17,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:31:17,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:31:17,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183cedc7-3f64-47f5-b495-f9479020deac/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:31:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:31:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:31:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:31:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:31:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:31:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:31:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:31:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:31:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:31:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:31:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:31:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:31:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:31:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:31:17,702 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:31:17,904 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:31:17,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:31:18,906 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:31:18,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:31:18,921 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-25 17:31:18,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:31:18 BoogieIcfgContainer [2022-11-25 17:31:18,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:31:18,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:31:18,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:31:18,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:31:18,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:31:16" (1/3) ... [2022-11-25 17:31:18,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492c2b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:31:18, skipping insertion in model container [2022-11-25 17:31:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:17" (2/3) ... [2022-11-25 17:31:18,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492c2b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:31:18, skipping insertion in model container [2022-11-25 17:31:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:31:18" (3/3) ... [2022-11-25 17:31:18,934 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2022-11-25 17:31:18,947 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:31:18,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:31:18,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-25 17:31:18,961 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:31:19,120 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 17:31:19,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,391 INFO L130 PetriNetUnfolder]: 28/431 cut-off events. [2022-11-25 17:31:19,391 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 17:31:19,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 431 events. 28/431 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 920 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 262. Up to 4 conditions per place. [2022-11-25 17:31:19,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,415 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,419 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:31:19,439 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,443 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 385 places, 408 transitions, 824 flow [2022-11-25 17:31:19,607 INFO L130 PetriNetUnfolder]: 28/431 cut-off events. [2022-11-25 17:31:19,608 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 17:31:19,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 431 events. 28/431 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 920 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 262. Up to 4 conditions per place. [2022-11-25 17:31:19,623 INFO L119 LiptonReduction]: Number of co-enabled transitions 7772 [2022-11-25 17:32:17,519 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:32:29,308 WARN L233 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:32:47,062 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:32:54,094 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:33:30,439 WARN L233 SmtUtils]: Spent 35.16s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:33:45,212 WARN L233 SmtUtils]: Spent 14.77s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:19,462 WARN L233 SmtUtils]: Spent 34.25s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:35,005 WARN L233 SmtUtils]: Spent 15.54s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:49,007 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:58,650 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:36:52,059 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:38:22,675 WARN L233 SmtUtils]: Spent 1.51m on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:40:19,211 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:41:49,047 WARN L233 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:42:05,344 WARN L233 SmtUtils]: Spent 16.21s on a formula simplification. DAG size of input: 142 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:42:30,460 WARN L233 SmtUtils]: Spent 20.63s on a formula simplification. DAG size of input: 151 DAG size of output: 147 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:42:36,307 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:45:12,250 WARN L233 SmtUtils]: Spent 2.60m on a formula simplification that was a NOOP. DAG size: 256 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)