./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro --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 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 --- 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-8393723 [2022-11-18 21:04:01,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:04:01,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:04:01,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:04:01,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:04:01,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:04:01,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:04:01,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:04:01,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:04:01,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:04:01,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:04:01,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:04:01,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:04:01,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:04:01,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:04:01,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:04:01,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:04:01,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:04:01,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:04:01,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:04:01,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:04:01,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:04:01,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:04:01,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:04:01,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:04:01,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:04:01,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:04:01,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:04:01,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:04:01,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:04:01,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:04:01,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:04:01,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:04:01,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:04:01,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:04:01,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:04:01,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:04:01,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:04:01,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:04:01,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:04:01,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:04:01,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:04:01,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:04:01,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:04:01,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:04:01,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:04:01,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:04:01,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:04:01,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:04:01,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:04:01,949 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:04:01,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:04:01,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:04:01,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:04:01,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:04:01,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:04:01,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:04:01,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:04:01,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:04:01,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:04:01,952 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:04:01,952 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:04:01,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:04:01,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:04:01,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:04:01,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:04:01,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:04:01,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:04:01,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:04:01,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:04:01,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:04:01,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:04:01,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:04:01,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:04:01,956 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:04:01,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:04:01,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:04:01,956 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 [2022-11-18 21:04:02,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:04:02,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:04:02,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:04:02,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:04:02,320 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:04:02,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-11-18 21:04:02,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/data/b785100d5/b4081cd488494090a76a3db3cdeec0f0/FLAG87d2ef2af [2022-11-18 21:04:03,190 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:04:03,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-11-18 21:04:03,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/data/b785100d5/b4081cd488494090a76a3db3cdeec0f0/FLAG87d2ef2af [2022-11-18 21:04:03,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/data/b785100d5/b4081cd488494090a76a3db3cdeec0f0 [2022-11-18 21:04:03,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:04:03,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:04:03,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:03,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:04:03,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:04:03,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:03" (1/1) ... [2022-11-18 21:04:03,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@941982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:03, skipping insertion in model container [2022-11-18 21:04:03,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:03" (1/1) ... [2022-11-18 21:04:03,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:04:03,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:04:04,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:04,094 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:04:04,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:04,267 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:04:04,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04 WrapperNode [2022-11-18 21:04:04,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:04,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:04,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:04:04,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:04:04,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,358 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-11-18 21:04:04,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:04,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:04:04,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:04:04,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:04:04,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:04:04,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:04:04,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:04:04,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:04:04,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (1/1) ... [2022-11-18 21:04:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:04:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:04:04,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:04:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:04:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:04:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 21:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 21:04:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 21:04:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:04:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:04:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:04:04,538 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 21:04:04,749 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:04:04,751 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:04:05,024 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:04:05,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:04:05,032 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:04:05,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:05 BoogieIcfgContainer [2022-11-18 21:04:05,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:04:05,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:04:05,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:04:05,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:04:05,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:04:03" (1/3) ... [2022-11-18 21:04:05,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881b3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:05, skipping insertion in model container [2022-11-18 21:04:05,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:04" (2/3) ... [2022-11-18 21:04:05,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881b3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:05, skipping insertion in model container [2022-11-18 21:04:05,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:05" (3/3) ... [2022-11-18 21:04:05,045 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2022-11-18 21:04:05,055 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:04:05,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:04:05,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 21:04:05,067 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:04:05,121 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 21:04:05,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 162 flow [2022-11-18 21:04:05,209 INFO L130 PetriNetUnfolder]: 0/76 cut-off events. [2022-11-18 21:04:05,209 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:04:05,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 0/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-18 21:04:05,213 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 77 transitions, 162 flow [2022-11-18 21:04:05,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 139 flow [2022-11-18 21:04:05,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:04:05,236 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26b75d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:04:05,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-18 21:04:05,252 INFO L130 PetriNetUnfolder]: 0/39 cut-off events. [2022-11-18 21:04:05,253 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:04:05,253 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:04:05,254 INFO L209 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] [2022-11-18 21:04:05,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-18 21:04:05,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:05,261 INFO L85 PathProgramCache]: Analyzing trace with hash -882902790, now seen corresponding path program 1 times [2022-11-18 21:04:05,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:05,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889774436] [2022-11-18 21:04:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:04:05,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:05,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889774436] [2022-11-18 21:04:05,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889774436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:05,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:05,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:04:05,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655418726] [2022-11-18 21:04:05,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:05,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:04:05,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:05,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:04:05,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:04:05,797 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 77 [2022-11-18 21:04:05,808 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:05,808 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:04:05,808 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 77 [2022-11-18 21:04:05,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:04:05,904 INFO L130 PetriNetUnfolder]: 21/152 cut-off events. [2022-11-18 21:04:05,905 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:04:05,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 152 events. 21/152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 469 event pairs, 11 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 177. Up to 40 conditions per place. [2022-11-18 21:04:05,911 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 11 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2022-11-18 21:04:05,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 73 transitions, 179 flow [2022-11-18 21:04:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:04:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:04:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2022-11-18 21:04:05,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9264069264069265 [2022-11-18 21:04:05,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2022-11-18 21:04:05,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2022-11-18 21:04:05,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:04:05,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2022-11-18 21:04:05,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:05,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:05,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:05,956 INFO L175 Difference]: Start difference. First operand has 72 places, 68 transitions, 139 flow. Second operand 3 states and 214 transitions. [2022-11-18 21:04:05,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 73 transitions, 179 flow [2022-11-18 21:04:05,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 73 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 21:04:05,971 INFO L231 Difference]: Finished difference. Result has 75 places, 71 transitions, 168 flow [2022-11-18 21:04:05,973 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=75, PETRI_TRANSITIONS=71} [2022-11-18 21:04:05,980 INFO L288 CegarLoopForPetriNet]: 72 programPoint places, 3 predicate places. [2022-11-18 21:04:05,980 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 71 transitions, 168 flow [2022-11-18 21:04:05,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:05,981 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:04:05,981 INFO L209 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] [2022-11-18 21:04:05,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:04:05,982 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-18 21:04:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:05,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1197515566, now seen corresponding path program 1 times [2022-11-18 21:04:05,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:05,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502790085] [2022-11-18 21:04:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:05,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:04:06,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:06,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502790085] [2022-11-18 21:04:06,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502790085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:06,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:06,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:04:06,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010579329] [2022-11-18 21:04:06,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:06,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:04:06,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:06,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:04:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:04:06,112 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 77 [2022-11-18 21:04:06,113 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 71 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,113 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:04:06,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 77 [2022-11-18 21:04:06,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:04:06,177 INFO L130 PetriNetUnfolder]: 32/191 cut-off events. [2022-11-18 21:04:06,177 INFO L131 PetriNetUnfolder]: For 43/64 co-relation queries the response was YES. [2022-11-18 21:04:06,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 191 events. 32/191 cut-off events. For 43/64 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 734 event pairs, 16 based on Foata normal form. 1/169 useless extension candidates. Maximal degree in co-relation 285. Up to 65 conditions per place. [2022-11-18 21:04:06,179 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 16 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2022-11-18 21:04:06,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 76 transitions, 222 flow [2022-11-18 21:04:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:04:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:04:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2022-11-18 21:04:06,182 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9004329004329005 [2022-11-18 21:04:06,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 208 transitions. [2022-11-18 21:04:06,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 208 transitions. [2022-11-18 21:04:06,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:04:06,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 208 transitions. [2022-11-18 21:04:06,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,185 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,186 INFO L175 Difference]: Start difference. First operand has 75 places, 71 transitions, 168 flow. Second operand 3 states and 208 transitions. [2022-11-18 21:04:06,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 76 transitions, 222 flow [2022-11-18 21:04:06,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 76 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:04:06,189 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 196 flow [2022-11-18 21:04:06,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2022-11-18 21:04:06,190 INFO L288 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2022-11-18 21:04:06,190 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 196 flow [2022-11-18 21:04:06,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,191 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:04:06,191 INFO L209 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] [2022-11-18 21:04:06,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:04:06,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-18 21:04:06,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash 519704020, now seen corresponding path program 1 times [2022-11-18 21:04:06,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:06,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644487746] [2022-11-18 21:04:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:06,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:04:06,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:06,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644487746] [2022-11-18 21:04:06,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644487746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:06,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:06,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:04:06,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559011374] [2022-11-18 21:04:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:06,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:04:06,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:06,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:04:06,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:04:06,253 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 77 [2022-11-18 21:04:06,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,254 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:04:06,254 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 77 [2022-11-18 21:04:06,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:04:06,323 INFO L130 PetriNetUnfolder]: 36/215 cut-off events. [2022-11-18 21:04:06,323 INFO L131 PetriNetUnfolder]: For 93/95 co-relation queries the response was YES. [2022-11-18 21:04:06,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 215 events. 36/215 cut-off events. For 93/95 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 832 event pairs, 11 based on Foata normal form. 2/201 useless extension candidates. Maximal degree in co-relation 368. Up to 59 conditions per place. [2022-11-18 21:04:06,326 INFO L137 encePairwiseOnDemand]: 71/77 looper letters, 20 selfloop transitions, 8 changer transitions 0/85 dead transitions. [2022-11-18 21:04:06,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 85 transitions, 302 flow [2022-11-18 21:04:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:04:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:04:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2022-11-18 21:04:06,329 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.922077922077922 [2022-11-18 21:04:06,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 213 transitions. [2022-11-18 21:04:06,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 213 transitions. [2022-11-18 21:04:06,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:04:06,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 213 transitions. [2022-11-18 21:04:06,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,333 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 196 flow. Second operand 3 states and 213 transitions. [2022-11-18 21:04:06,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 85 transitions, 302 flow [2022-11-18 21:04:06,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 85 transitions, 284 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-18 21:04:06,337 INFO L231 Difference]: Finished difference. Result has 79 places, 79 transitions, 248 flow [2022-11-18 21:04:06,338 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2022-11-18 21:04:06,339 INFO L288 CegarLoopForPetriNet]: 72 programPoint places, 7 predicate places. [2022-11-18 21:04:06,339 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 248 flow [2022-11-18 21:04:06,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:04:06,339 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:04:06,340 INFO L209 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] [2022-11-18 21:04:06,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:04:06,340 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-18 21:04:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:06,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2135758590, now seen corresponding path program 1 times [2022-11-18 21:04:06,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:06,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097183950] [2022-11-18 21:04:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:06,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:04:06,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:04:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:04:06,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:04:06,438 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:04:06,439 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-18 21:04:06,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-18 21:04:06,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-18 21:04:06,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-11-18 21:04:06,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-18 21:04:06,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-18 21:04:06,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:04:06,443 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 21:04:06,451 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 21:04:06,452 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:04:06,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:04:06 BasicIcfg [2022-11-18 21:04:06,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:04:06,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:04:06,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:04:06,490 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:04:06,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:05" (3/4) ... [2022-11-18 21:04:06,494 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:04:06,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:04:06,495 INFO L158 Benchmark]: Toolchain (without parser) took 3092.62ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 94.2MB in the end (delta: -584.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:04:06,496 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:04:06,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.51ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 87.3MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:04:06,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.74ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:04:06,498 INFO L158 Benchmark]: Boogie Preprocessor took 57.51ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:04:06,498 INFO L158 Benchmark]: RCFGBuilder took 617.79ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 70.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:04:06,499 INFO L158 Benchmark]: TraceAbstraction took 1451.43ms. Allocated memory is still 127.9MB. Free memory was 69.8MB in the beginning and 94.2MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:04:06,499 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:04:06,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.51ms. Allocated memory is still 127.9MB. Free memory was 93.6MB in the beginning and 87.3MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.74ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.51ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.79ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 70.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1451.43ms. Allocated memory is still 127.9MB. Free memory was 69.8MB in the beginning and 94.2MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 933]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex2={1:0}, myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={1:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={2:0}, mutex2={1:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={2:0}, mutex2={1:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L925] CALL, EXPR 1 f() [L921] 1 return 5; VAL [\result=5, mutex1={2:0}, mutex2={1:0}, myglobal=0] [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, f()=5, mutex1={2:0}, mutex2={1:0}, myglobal=5] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={2:0}, mutex2={1:0}, myglobal=5] [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, f()=5, mutex1={2:0}, mutex2={1:0}, myglobal=5, myglobal=f()=25] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={2:0}, mutex2={1:0}, myglobal=5] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 925]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 30 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 21:04:06,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f4669-ee91-4b99-964e-9628140a7b43/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE