./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN --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 f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 --- 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-6b4ec56 [2022-11-20 11:20:22,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:20:22,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:20:22,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:20:22,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:20:22,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:20:22,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:20:22,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:20:22,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:20:22,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:20:22,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:20:22,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:20:22,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:20:22,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:20:22,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:20:22,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:20:22,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:20:22,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:20:22,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:20:22,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:20:22,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:20:22,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:20:22,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:20:22,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:20:22,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:20:22,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:20:22,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:20:22,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:20:22,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:20:22,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:20:22,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:20:22,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:20:22,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:20:22,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:20:22,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:20:22,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:20:22,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:20:22,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:20:22,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:20:22,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:20:22,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:20:22,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:20:23,007 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:20:23,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:20:23,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:20:23,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:20:23,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:20:23,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:20:23,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:20:23,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:20:23,013 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:20:23,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:20:23,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:20:23,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:20:23,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:20:23,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:20:23,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:20:23,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:20:23,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:20:23,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:20:23,017 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:20:23,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:20:23,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:20:23,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:20:23,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:20:23,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:20:23,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:20:23,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:20:23,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:20:23,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:20:23,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:20:23,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:20:23,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:20:23,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:20:23,021 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:20:23,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:20:23,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:20:23,022 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_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 [2022-11-20 11:20:23,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:20:23,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:20:23,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:20:23,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:20:23,406 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:20:23,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-11-20 11:20:27,105 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:20:27,462 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:20:27,463 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-11-20 11:20:27,483 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/data/3228289c9/209a457eafd54cd995bcc604bd008d0e/FLAG17ff1a1be [2022-11-20 11:20:27,500 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/data/3228289c9/209a457eafd54cd995bcc604bd008d0e [2022-11-20 11:20:27,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:20:27,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:20:27,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:20:27,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:20:27,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:20:27,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:27" (1/1) ... [2022-11-20 11:20:27,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77577748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:27, skipping insertion in model container [2022-11-20 11:20:27,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:27" (1/1) ... [2022-11-20 11:20:27,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:20:27,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:20:28,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:20:28,248 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:20:28,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:20:28,430 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:20:28,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28 WrapperNode [2022-11-20 11:20:28,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:20:28,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:20:28,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:20:28,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:20:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,525 INFO L138 Inliner]: procedures = 266, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-20 11:20:28,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:20:28,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:20:28,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:20:28,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:20:28,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:20:28,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:20:28,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:20:28,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:20:28,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (1/1) ... [2022-11-20 11:20:28,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:20:28,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:20:28,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:20:28,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:20:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:20:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:20:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:20:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 11:20:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:20:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 11:20:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 11:20:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:20:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:20:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:20:28,686 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:20:28,951 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:20:28,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:20:29,209 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:20:29,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:20:29,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:20:29,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:20:29 BoogieIcfgContainer [2022-11-20 11:20:29,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:20:29,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:20:29,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:20:29,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:20:29,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:20:27" (1/3) ... [2022-11-20 11:20:29,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784b5223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:20:29, skipping insertion in model container [2022-11-20 11:20:29,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:28" (2/3) ... [2022-11-20 11:20:29,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784b5223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:20:29, skipping insertion in model container [2022-11-20 11:20:29,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:20:29" (3/3) ... [2022-11-20 11:20:29,233 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2022-11-20 11:20:29,244 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:20:29,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:20:29,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 11:20:29,258 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:20:29,310 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 11:20:29,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 163 flow [2022-11-20 11:20:29,400 INFO L130 PetriNetUnfolder]: 3/78 cut-off events. [2022-11-20 11:20:29,400 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:20:29,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 3/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-20 11:20:29,406 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 79 transitions, 163 flow [2022-11-20 11:20:29,411 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 159 flow [2022-11-20 11:20:29,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:20:29,432 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;@225f8f6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:20:29,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-20 11:20:29,446 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-20 11:20:29,446 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:20:29,447 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:20:29,447 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] [2022-11-20 11:20:29,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 11:20:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:20:29,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1209231099, now seen corresponding path program 1 times [2022-11-20 11:20:29,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:20:29,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042807422] [2022-11-20 11:20:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:20:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:20:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:20:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:20:29,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:20:29,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042807422] [2022-11-20 11:20:29,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042807422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:20:29,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:20:29,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:20:29,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139757757] [2022-11-20 11:20:29,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:20:29,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:20:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:20:29,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:20:29,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:20:29,925 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2022-11-20 11:20:29,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 159 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) [2022-11-20 11:20:29,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:20:29,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2022-11-20 11:20:29,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:20:30,063 INFO L130 PetriNetUnfolder]: 45/273 cut-off events. [2022-11-20 11:20:30,064 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 11:20:30,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 273 events. 45/273 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1108 event pairs, 15 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 339. Up to 54 conditions per place. [2022-11-20 11:20:30,070 INFO L137 encePairwiseOnDemand]: 71/79 looper letters, 17 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2022-11-20 11:20:30,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 88 transitions, 225 flow [2022-11-20 11:20:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:20:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:20:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2022-11-20 11:20:30,087 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2022-11-20 11:20:30,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2022-11-20 11:20:30,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2022-11-20 11:20:30,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:20:30,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2022-11-20 11:20:30,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2022-11-20 11:20:30,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,105 INFO L175 Difference]: Start difference. First operand has 79 places, 78 transitions, 159 flow. Second operand 3 states and 223 transitions. [2022-11-20 11:20:30,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 88 transitions, 225 flow [2022-11-20 11:20:30,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 88 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:20:30,114 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 210 flow [2022-11-20 11:20:30,117 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2022-11-20 11:20:30,122 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2022-11-20 11:20:30,122 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 210 flow [2022-11-20 11:20:30,123 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) [2022-11-20 11:20:30,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:20:30,123 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] [2022-11-20 11:20:30,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:20:30,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 11:20:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:20:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1843075210, now seen corresponding path program 1 times [2022-11-20 11:20:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:20:30,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083128605] [2022-11-20 11:20:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:20:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:20:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:20:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:20:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:20:30,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083128605] [2022-11-20 11:20:30,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083128605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:20:30,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:20:30,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:20:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392317321] [2022-11-20 11:20:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:20:30,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:20:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:20:30,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:20:30,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:20:30,228 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 79 [2022-11-20 11:20:30,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-11-20 11:20:30,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:20:30,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 79 [2022-11-20 11:20:30,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:20:30,369 INFO L130 PetriNetUnfolder]: 67/373 cut-off events. [2022-11-20 11:20:30,369 INFO L131 PetriNetUnfolder]: For 87/98 co-relation queries the response was YES. [2022-11-20 11:20:30,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 373 events. 67/373 cut-off events. For 87/98 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1818 event pairs, 20 based on Foata normal form. 2/337 useless extension candidates. Maximal degree in co-relation 572. Up to 102 conditions per place. [2022-11-20 11:20:30,375 INFO L137 encePairwiseOnDemand]: 73/79 looper letters, 24 selfloop transitions, 7 changer transitions 1/94 dead transitions. [2022-11-20 11:20:30,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 94 transitions, 310 flow [2022-11-20 11:20:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:20:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:20:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2022-11-20 11:20:30,378 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9113924050632911 [2022-11-20 11:20:30,378 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 216 transitions. [2022-11-20 11:20:30,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 216 transitions. [2022-11-20 11:20:30,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:20:30,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 216 transitions. [2022-11-20 11:20:30,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2022-11-20 11:20:30,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,384 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 210 flow. Second operand 3 states and 216 transitions. [2022-11-20 11:20:30,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 94 transitions, 310 flow [2022-11-20 11:20:30,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 94 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:20:30,390 INFO L231 Difference]: Finished difference. Result has 84 places, 88 transitions, 252 flow [2022-11-20 11:20:30,391 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=84, PETRI_TRANSITIONS=88} [2022-11-20 11:20:30,392 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 5 predicate places. [2022-11-20 11:20:30,392 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 88 transitions, 252 flow [2022-11-20 11:20:30,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-11-20 11:20:30,393 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:20:30,393 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] [2022-11-20 11:20:30,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:20:30,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 11:20:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:20:30,395 INFO L85 PathProgramCache]: Analyzing trace with hash 173944824, now seen corresponding path program 1 times [2022-11-20 11:20:30,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:20:30,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372179524] [2022-11-20 11:20:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:20:30,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:20:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:20:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:20:30,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:20:30,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372179524] [2022-11-20 11:20:30,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372179524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:20:30,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:20:30,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:20:30,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476049287] [2022-11-20 11:20:30,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:20:30,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:20:30,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:20:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:20:30,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:20:30,539 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 79 [2022-11-20 11:20:30,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 88 transitions, 252 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) [2022-11-20 11:20:30,543 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:20:30,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 79 [2022-11-20 11:20:30,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:20:30,746 INFO L130 PetriNetUnfolder]: 65/345 cut-off events. [2022-11-20 11:20:30,746 INFO L131 PetriNetUnfolder]: For 150/158 co-relation queries the response was YES. [2022-11-20 11:20:30,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 345 events. 65/345 cut-off events. For 150/158 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1620 event pairs, 16 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 621. Up to 101 conditions per place. [2022-11-20 11:20:30,756 INFO L137 encePairwiseOnDemand]: 73/79 looper letters, 28 selfloop transitions, 8 changer transitions 2/99 dead transitions. [2022-11-20 11:20:30,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 99 transitions, 376 flow [2022-11-20 11:20:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:20:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:20:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2022-11-20 11:20:30,765 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9029535864978903 [2022-11-20 11:20:30,766 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2022-11-20 11:20:30,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2022-11-20 11:20:30,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:20:30,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2022-11-20 11:20:30,771 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) [2022-11-20 11:20:30,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2022-11-20 11:20:30,777 INFO L175 Difference]: Start difference. First operand has 84 places, 88 transitions, 252 flow. Second operand 3 states and 214 transitions. [2022-11-20 11:20:30,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 99 transitions, 376 flow [2022-11-20 11:20:30,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 99 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:20:30,788 INFO L231 Difference]: Finished difference. Result has 86 places, 91 transitions, 292 flow [2022-11-20 11:20:30,789 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=86, PETRI_TRANSITIONS=91} [2022-11-20 11:20:30,792 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 7 predicate places. [2022-11-20 11:20:30,792 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 91 transitions, 292 flow [2022-11-20 11:20:30,793 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) [2022-11-20 11:20:30,793 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:20:30,793 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] [2022-11-20 11:20:30,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:20:30,794 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 11:20:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:20:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1362109070, now seen corresponding path program 1 times [2022-11-20 11:20:30,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:20:30,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309094846] [2022-11-20 11:20:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:20:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:20:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:20:30,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:20:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:20:30,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:20:30,908 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:20:30,910 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-20 11:20:30,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-20 11:20:30,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-20 11:20:30,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-20 11:20:30,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-20 11:20:30,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-20 11:20:30,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-20 11:20:30,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:20:30,914 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 11:20:30,924 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:20:30,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:20:30,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:20:30 BasicIcfg [2022-11-20 11:20:30,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:20:30,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:20:30,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:20:30,966 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:20:30,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:20:29" (3/4) ... [2022-11-20 11:20:30,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:20:30,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:20:30,972 INFO L158 Benchmark]: Toolchain (without parser) took 3466.24ms. Allocated memory is still 172.0MB. Free memory was 127.1MB in the beginning and 124.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,973 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:20:30,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.22ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 99.9MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.66ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,980 INFO L158 Benchmark]: Boogie Preprocessor took 42.51ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,982 INFO L158 Benchmark]: RCFGBuilder took 651.76ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 135.8MB in the end (delta: -39.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,983 INFO L158 Benchmark]: TraceAbstraction took 1740.52ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 124.3MB in the end (delta: 10.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-20 11:20:30,983 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 172.0MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:20:30,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.22ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 99.9MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.66ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.51ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.76ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 135.8MB in the end (delta: -39.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1740.52ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 124.3MB in the end (delta: 10.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 172.0MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={1:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={1:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={2:0}, m={1:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, glob=0, i=0, id={2:0}, m={1:0}] [L944] 0 i++ VAL [arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={1:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, m={1:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={2:0}, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [932] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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, 96 locations, 7 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 41 mSDtfsCounter, 59 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=292occurred 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, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 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! [2022-11-20 11:20:31,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91bf95e-dc57-4d35-a7f6-38df31eb943f/bin/uautomizer-ug76WZFUDN/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