./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc --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 ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf --- 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-5e519f3 [2022-11-02 20:35:45,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:45,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:45,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:45,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:45,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:45,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:45,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:45,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:45,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:45,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:45,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:45,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:45,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:45,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:45,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:45,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:45,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:45,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:45,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:45,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:45,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:45,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:45,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:45,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:45,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:45,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:45,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:45,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:45,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:45,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:45,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:45,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:45,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:45,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:45,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:45,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:45,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:45,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:45,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:45,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:45,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:35:45,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:45,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:45,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:45,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:45,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:45,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:45,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:45,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:45,987 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:45,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:45,988 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:35:45,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:35:45,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:35:45,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:35:45,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:45,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:45,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:45,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:45,990 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:35:45,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:35:45,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:45,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:45,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:45,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:45,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:45,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:45,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:45,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:45,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:45,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:45,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:35:45,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:35:45,993 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:45,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:45,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:45,994 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_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf [2022-11-02 20:35:46,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:46,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:46,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:46,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:46,390 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:46,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-11-02 20:35:46,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/data/45cf01f47/e8901e5d1f954ed497d95898959be179/FLAG272db1b68 [2022-11-02 20:35:47,208 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:47,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-11-02 20:35:47,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/data/45cf01f47/e8901e5d1f954ed497d95898959be179/FLAG272db1b68 [2022-11-02 20:35:47,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/data/45cf01f47/e8901e5d1f954ed497d95898959be179 [2022-11-02 20:35:47,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:47,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:47,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:47,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:47,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:47,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:47" (1/1) ... [2022-11-02 20:35:47,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fda82d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:47, skipping insertion in model container [2022-11-02 20:35:47,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:47" (1/1) ... [2022-11-02 20:35:47,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:47,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:47,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:47,960 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:48,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:48,104 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:48,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48 WrapperNode [2022-11-02 20:35:48,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:48,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:48,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:48,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:48,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,195 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-11-02 20:35:48,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:48,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:48,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:48,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:48,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:48,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:48,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:48,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:48,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (1/1) ... [2022-11-02 20:35:48,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:48,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:48,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:35:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:35:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 20:35:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 20:35:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:48,347 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:35:48,515 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:48,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:48,718 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:48,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:48,726 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:35:48,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:48 BoogieIcfgContainer [2022-11-02 20:35:48,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:48,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:48,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:48,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:48,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:47" (1/3) ... [2022-11-02 20:35:48,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da1cffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:48, skipping insertion in model container [2022-11-02 20:35:48,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:48" (2/3) ... [2022-11-02 20:35:48,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da1cffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:48, skipping insertion in model container [2022-11-02 20:35:48,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:48" (3/3) ... [2022-11-02 20:35:48,748 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_03-fld_rc.i [2022-11-02 20:35:48,760 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:35:48,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:48,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-02 20:35:48,798 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:35:48,899 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:35:48,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 141 flow [2022-11-02 20:35:49,052 INFO L130 PetriNetUnfolder]: 0/67 cut-off events. [2022-11-02 20:35:49,053 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:35:49,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-02 20:35:49,055 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 68 transitions, 141 flow [2022-11-02 20:35:49,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 67 transitions, 137 flow [2022-11-02 20:35:49,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:49,103 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;@52199b21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:49,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-02 20:35:49,142 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-11-02 20:35:49,145 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:35:49,146 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:35:49,147 INFO L208 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] [2022-11-02 20:35:49,148 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)] === [2022-11-02 20:35:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:49,158 INFO L85 PathProgramCache]: Analyzing trace with hash 657575318, now seen corresponding path program 1 times [2022-11-02 20:35:49,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:49,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556172382] [2022-11-02 20:35:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:49,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:35:49,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:49,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556172382] [2022-11-02 20:35:49,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556172382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:49,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:49,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:35:49,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789743534] [2022-11-02 20:35:49,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:49,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:49,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:49,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:49,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:49,675 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 68 [2022-11-02 20:35:49,680 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-11-02 20:35:49,680 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:35:49,681 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 68 [2022-11-02 20:35:49,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:35:49,879 INFO L130 PetriNetUnfolder]: 37/229 cut-off events. [2022-11-02 20:35:49,879 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:35:49,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 229 events. 37/229 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 942 event pairs, 15 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 291. Up to 54 conditions per place. [2022-11-02 20:35:49,893 INFO L137 encePairwiseOnDemand]: 60/68 looper letters, 17 selfloop transitions, 6 changer transitions 0/77 dead transitions. [2022-11-02 20:35:49,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 77 transitions, 203 flow [2022-11-02 20:35:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:35:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2022-11-02 20:35:49,917 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9313725490196079 [2022-11-02 20:35:49,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 190 transitions. [2022-11-02 20:35:49,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 190 transitions. [2022-11-02 20:35:49,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:35:49,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 190 transitions. [2022-11-02 20:35:49,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2022-11-02 20:35:49,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:49,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:49,943 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 137 flow. Second operand 3 states and 190 transitions. [2022-11-02 20:35:49,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 77 transitions, 203 flow [2022-11-02 20:35:49,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 77 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:35:49,961 INFO L231 Difference]: Finished difference. Result has 74 places, 73 transitions, 188 flow [2022-11-02 20:35:49,964 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=74, PETRI_TRANSITIONS=73} [2022-11-02 20:35:49,969 INFO L287 CegarLoopForPetriNet]: 71 programPoint places, 3 predicate places. [2022-11-02 20:35:49,969 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 73 transitions, 188 flow [2022-11-02 20:35:49,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-11-02 20:35:49,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:35:49,970 INFO L208 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] [2022-11-02 20:35:49,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:35:49,972 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)] === [2022-11-02 20:35:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1968811495, now seen corresponding path program 1 times [2022-11-02 20:35:49,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:49,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098046699] [2022-11-02 20:35:49,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:35:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:50,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098046699] [2022-11-02 20:35:50,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098046699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:50,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:50,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:35:50,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262818871] [2022-11-02 20:35:50,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:50,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:50,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:50,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:50,183 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 68 [2022-11-02 20:35:50,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 73 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2022-11-02 20:35:50,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:35:50,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 68 [2022-11-02 20:35:50,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:35:50,289 INFO L130 PetriNetUnfolder]: 55/309 cut-off events. [2022-11-02 20:35:50,289 INFO L131 PetriNetUnfolder]: For 85/90 co-relation queries the response was YES. [2022-11-02 20:35:50,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 309 events. 55/309 cut-off events. For 85/90 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1531 event pairs, 23 based on Foata normal form. 2/288 useless extension candidates. Maximal degree in co-relation 504. Up to 102 conditions per place. [2022-11-02 20:35:50,302 INFO L137 encePairwiseOnDemand]: 62/68 looper letters, 23 selfloop transitions, 7 changer transitions 1/83 dead transitions. [2022-11-02 20:35:50,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 83 transitions, 288 flow [2022-11-02 20:35:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:35:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2022-11-02 20:35:50,320 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8970588235294118 [2022-11-02 20:35:50,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 183 transitions. [2022-11-02 20:35:50,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 183 transitions. [2022-11-02 20:35:50,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:35:50,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 183 transitions. [2022-11-02 20:35:50,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2022-11-02 20:35:50,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:50,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:50,325 INFO L175 Difference]: Start difference. First operand has 74 places, 73 transitions, 188 flow. Second operand 3 states and 183 transitions. [2022-11-02 20:35:50,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 83 transitions, 288 flow [2022-11-02 20:35:50,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 83 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:35:50,329 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 232 flow [2022-11-02 20:35:50,342 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2022-11-02 20:35:50,343 INFO L287 CegarLoopForPetriNet]: 71 programPoint places, 5 predicate places. [2022-11-02 20:35:50,344 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 232 flow [2022-11-02 20:35:50,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2022-11-02 20:35:50,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:35:50,345 INFO L208 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] [2022-11-02 20:35:50,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:35:50,345 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)] === [2022-11-02 20:35:50,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:50,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1078270459, now seen corresponding path program 1 times [2022-11-02 20:35:50,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:50,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032264016] [2022-11-02 20:35:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:50,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:35:50,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:50,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032264016] [2022-11-02 20:35:50,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032264016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:50,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:50,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:35:50,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945087610] [2022-11-02 20:35:50,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:50,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:50,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:50,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:50,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:50,473 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 68 [2022-11-02 20:35:50,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-11-02 20:35:50,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:35:50,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 68 [2022-11-02 20:35:50,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:35:50,586 INFO L130 PetriNetUnfolder]: 57/301 cut-off events. [2022-11-02 20:35:50,586 INFO L131 PetriNetUnfolder]: For 141/143 co-relation queries the response was YES. [2022-11-02 20:35:50,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 301 events. 57/301 cut-off events. For 141/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1462 event pairs, 16 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 575. Up to 101 conditions per place. [2022-11-02 20:35:50,590 INFO L137 encePairwiseOnDemand]: 62/68 looper letters, 21 selfloop transitions, 7 changer transitions 10/89 dead transitions. [2022-11-02 20:35:50,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 89 transitions, 356 flow [2022-11-02 20:35:50,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:35:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2022-11-02 20:35:50,598 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8872549019607843 [2022-11-02 20:35:50,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 181 transitions. [2022-11-02 20:35:50,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 181 transitions. [2022-11-02 20:35:50,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:35:50,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 181 transitions. [2022-11-02 20:35:50,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2022-11-02 20:35:50,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:50,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 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) [2022-11-02 20:35:50,606 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 232 flow. Second operand 3 states and 181 transitions. [2022-11-02 20:35:50,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 89 transitions, 356 flow [2022-11-02 20:35:50,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 89 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:35:50,619 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 250 flow [2022-11-02 20:35:50,619 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2022-11-02 20:35:50,622 INFO L287 CegarLoopForPetriNet]: 71 programPoint places, 7 predicate places. [2022-11-02 20:35:50,623 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 250 flow [2022-11-02 20:35:50,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-11-02 20:35:50,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:35:50,624 INFO L208 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] [2022-11-02 20:35:50,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:35:50,625 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)] === [2022-11-02 20:35:50,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1632877596, now seen corresponding path program 1 times [2022-11-02 20:35:50,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:50,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415018315] [2022-11-02 20:35:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:50,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:50,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:50,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:50,730 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:35:50,731 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-02 20:35:50,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-02 20:35:50,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-02 20:35:50,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-02 20:35:50,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-02 20:35:50,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-02 20:35:50,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-02 20:35:50,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:35:50,737 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:35:50,746 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:35:50,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:35:50,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:35:50 BasicIcfg [2022-11-02 20:35:50,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:35:50,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:50,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:50,790 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:50,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:48" (3/4) ... [2022-11-02 20:35:50,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:50,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:50,796 INFO L158 Benchmark]: Toolchain (without parser) took 3334.17ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 68.8MB in the beginning and 91.0MB in the end (delta: -22.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,796 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:50,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.54ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 73.6MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.84ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 71.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,799 INFO L158 Benchmark]: Boogie Preprocessor took 58.30ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,800 INFO L158 Benchmark]: RCFGBuilder took 473.71ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 58.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,801 INFO L158 Benchmark]: TraceAbstraction took 2056.87ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 91.0MB in the end (delta: -33.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:50,801 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 140.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:50,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.54ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 73.6MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.84ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 71.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.30ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.71ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 58.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2056.87ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 91.0MB in the end (delta: -33.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 140.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 696]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int glob; VAL [glob=0] [L680-L683] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [glob=0, m={1:0}] [L693] 0 pthread_t id; VAL [glob=0, id={2:0}, m={1:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, id={2:0}, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, id={2:0}, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [686] and C: glob++ [696] - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: 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: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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, 88 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: 1.8s, 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, 2 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=250occurred 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, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 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 could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:35:50,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916aa7e1-7a9a-4726-8063-e200efe52c8c/bin/uautomizer-Dbtcem3rbc/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