./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ --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 f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab --- 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-dbf71c6-m [2022-10-17 10:09:29,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:09:29,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:09:29,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:09:29,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:09:29,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:09:29,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:09:29,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:09:29,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:09:29,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:09:29,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:09:29,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:09:29,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:09:29,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:09:29,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:09:29,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:09:29,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:09:29,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:09:29,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:09:29,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:09:29,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:09:29,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:09:29,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:09:29,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:09:29,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:09:29,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:09:29,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:09:29,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:09:29,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:09:29,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:09:29,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:09:29,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:09:29,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:09:29,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:09:29,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:09:29,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:09:29,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:09:29,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:09:29,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:09:29,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:09:29,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:09:29,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:09:29,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:09:29,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:09:29,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:09:29,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:09:29,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:09:29,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:09:29,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:09:29,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:09:29,549 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:09:29,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:09:29,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:09:29,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:09:29,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:09:29,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:09:29,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:09:29,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:09:29,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:09:29,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:09:29,553 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:09:29,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:09:29,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:09:29,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:09:29,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:09:29,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:09:29,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:09:29,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:09:29,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:09:29,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:09:29,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:09:29,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:09:29,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:09:29,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:09:29,558 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:09:29,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:09:29,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:09:29,559 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_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f642c67113760bee92d5df6113328ab6bc786120281f498909848eae502de3ab [2022-10-17 10:09:29,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:09:29,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:09:29,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:09:29,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:09:29,900 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:09:29,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2022-10-17 10:09:29,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/data/71fb106ad/cb94cd82032c4252b8e6eaa91d75e8db/FLAGe58f63a8e [2022-10-17 10:09:30,627 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:09:30,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/sv-benchmarks/c/goblint-regression/04-mutex_14-funarg_rc.i [2022-10-17 10:09:30,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/data/71fb106ad/cb94cd82032c4252b8e6eaa91d75e8db/FLAGe58f63a8e [2022-10-17 10:09:30,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/data/71fb106ad/cb94cd82032c4252b8e6eaa91d75e8db [2022-10-17 10:09:30,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:09:30,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:09:30,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:09:30,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:09:30,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:09:30,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:09:30" (1/1) ... [2022-10-17 10:09:30,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6315f9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:30, skipping insertion in model container [2022-10-17 10:09:30,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:09:30" (1/1) ... [2022-10-17 10:09:30,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:09:30,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:09:31,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:09:31,553 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:09:31,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:09:31,676 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:09:31,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31 WrapperNode [2022-10-17 10:09:31,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:09:31,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:09:31,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:09:31,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:09:31,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,729 INFO L138 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 10:09:31,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:09:31,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:09:31,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:09:31,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:09:31,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:09:31,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:09:31,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:09:31,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:09:31,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (1/1) ... [2022-10-17 10:09:31,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:09:31,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:09:31,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:09:31,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:09:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:09:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:09:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:09:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:09:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:09:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:09:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:09:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:09:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:09:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:09:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:09:31,872 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:09:32,102 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:09:32,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:09:32,316 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:09:32,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:09:32,326 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:09:32,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:09:32 BoogieIcfgContainer [2022-10-17 10:09:32,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:09:32,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:09:32,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:09:32,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:09:32,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:09:30" (1/3) ... [2022-10-17 10:09:32,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52625647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:09:32, skipping insertion in model container [2022-10-17 10:09:32,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:09:31" (2/3) ... [2022-10-17 10:09:32,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52625647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:09:32, skipping insertion in model container [2022-10-17 10:09:32,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:09:32" (3/3) ... [2022-10-17 10:09:32,340 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2022-10-17 10:09:32,351 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:09:32,363 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:09:32,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-10-17 10:09:32,363 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:09:32,447 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 10:09:32,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2022-10-17 10:09:32,562 INFO L130 PetriNetUnfolder]: 0/91 cut-off events. [2022-10-17 10:09:32,562 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:09:32,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-10-17 10:09:32,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2022-10-17 10:09:32,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 169 flow [2022-10-17 10:09:32,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:09:32,591 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;@ba715fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:09:32,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-17 10:09:32,610 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-10-17 10:09:32,610 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:09:32,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:09:32,611 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] [2022-10-17 10:09:32,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 10:09:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:09:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash 37517169, now seen corresponding path program 1 times [2022-10-17 10:09:32,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:09:32,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764326555] [2022-10-17 10:09:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:09:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:09:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:09:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:09:33,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:09:33,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764326555] [2022-10-17 10:09:33,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764326555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:09:33,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:09:33,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:09:33,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71434716] [2022-10-17 10:09:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:09:33,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:09:33,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:09:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:09:33,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:09:33,105 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2022-10-17 10:09:33,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-10-17 10:09:33,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:09:33,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2022-10-17 10:09:33,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:09:33,327 INFO L130 PetriNetUnfolder]: 29/270 cut-off events. [2022-10-17 10:09:33,327 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:09:33,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 270 events. 29/270 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1047 event pairs, 8 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 310. Up to 51 conditions per place. [2022-10-17 10:09:33,335 INFO L137 encePairwiseOnDemand]: 83/92 looper letters, 13 selfloop transitions, 6 changer transitions 0/89 dead transitions. [2022-10-17 10:09:33,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 89 transitions, 219 flow [2022-10-17 10:09:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:09:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:09:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2022-10-17 10:09:33,368 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2022-10-17 10:09:33,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2022-10-17 10:09:33,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2022-10-17 10:09:33,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:09:33,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2022-10-17 10:09:33,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2022-10-17 10:09:33,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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) [2022-10-17 10:09:33,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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) [2022-10-17 10:09:33,397 INFO L175 Difference]: Start difference. First operand has 87 places, 83 transitions, 169 flow. Second operand 3 states and 256 transitions. [2022-10-17 10:09:33,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 89 transitions, 219 flow [2022-10-17 10:09:33,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 89 transitions, 218 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:09:33,413 INFO L231 Difference]: Finished difference. Result has 89 places, 87 transitions, 214 flow [2022-10-17 10:09:33,416 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2022-10-17 10:09:33,421 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 2 predicate places. [2022-10-17 10:09:33,421 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 214 flow [2022-10-17 10:09:33,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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) [2022-10-17 10:09:33,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:09:33,422 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, 1, 1] [2022-10-17 10:09:33,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:09:33,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 10:09:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:09:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash 399059508, now seen corresponding path program 1 times [2022-10-17 10:09:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:09:33,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088263845] [2022-10-17 10:09:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:09:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:09:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:09:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:09:33,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:09:33,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088263845] [2022-10-17 10:09:33,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088263845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:09:33,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:09:33,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:09:33,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517130802] [2022-10-17 10:09:33,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:09:33,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:09:33,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:09:33,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:09:33,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:09:33,569 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 92 [2022-10-17 10:09:33,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-10-17 10:09:33,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:09:33,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 92 [2022-10-17 10:09:33,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:09:33,762 INFO L130 PetriNetUnfolder]: 40/358 cut-off events. [2022-10-17 10:09:33,762 INFO L131 PetriNetUnfolder]: For 61/68 co-relation queries the response was YES. [2022-10-17 10:09:33,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 358 events. 40/358 cut-off events. For 61/68 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1680 event pairs, 14 based on Foata normal form. 1/343 useless extension candidates. Maximal degree in co-relation 503. Up to 76 conditions per place. [2022-10-17 10:09:33,769 INFO L137 encePairwiseOnDemand]: 86/92 looper letters, 24 selfloop transitions, 6 changer transitions 0/98 dead transitions. [2022-10-17 10:09:33,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 98 transitions, 322 flow [2022-10-17 10:09:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:09:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:09:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2022-10-17 10:09:33,774 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9094202898550725 [2022-10-17 10:09:33,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 251 transitions. [2022-10-17 10:09:33,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 251 transitions. [2022-10-17 10:09:33,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:09:33,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 251 transitions. [2022-10-17 10:09:33,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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) [2022-10-17 10:09:33,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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) [2022-10-17 10:09:33,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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) [2022-10-17 10:09:33,783 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 214 flow. Second operand 3 states and 251 transitions. [2022-10-17 10:09:33,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 98 transitions, 322 flow [2022-10-17 10:09:33,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 98 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:09:33,791 INFO L231 Difference]: Finished difference. Result has 91 places, 92 transitions, 254 flow [2022-10-17 10:09:33,792 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=91, PETRI_TRANSITIONS=92} [2022-10-17 10:09:33,793 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 4 predicate places. [2022-10-17 10:09:33,793 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 92 transitions, 254 flow [2022-10-17 10:09:33,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-10-17 10:09:33,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:09:33,794 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:09:33,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:09:33,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 10:09:33,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:09:33,801 INFO L85 PathProgramCache]: Analyzing trace with hash -665628125, now seen corresponding path program 1 times [2022-10-17 10:09:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:09:33,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883626861] [2022-10-17 10:09:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:09:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:09:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:09:33,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:09:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:09:33,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:09:33,989 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 10:09:33,990 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-10-17 10:09:33,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-10-17 10:09:33,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-10-17 10:09:33,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-10-17 10:09:33,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-10-17 10:09:33,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-10-17 10:09:33,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-10-17 10:09:33,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-10-17 10:09:33,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:09:33,998 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-17 10:09:34,008 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 10:09:34,008 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:09:34,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:09:34 BasicIcfg [2022-10-17 10:09:34,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:09:34,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:09:34,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:09:34,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:09:34,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:09:32" (3/4) ... [2022-10-17 10:09:34,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:09:34,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:09:34,072 INFO L158 Benchmark]: Toolchain (without parser) took 3219.13ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 67.9MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,073 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:09:34,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.37ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 101.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.53ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,075 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,076 INFO L158 Benchmark]: RCFGBuilder took 567.73ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 82.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,076 INFO L158 Benchmark]: TraceAbstraction took 1734.47ms. Allocated memory is still 144.7MB. Free memory was 81.5MB in the beginning and 68.9MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,077 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 144.7MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:09:34,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.37ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 101.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.53ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.73ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 82.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1734.47ms. Allocated memory is still 144.7MB. Free memory was 81.5MB in the beginning and 68.9MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 144.7MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 934]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: printf("myglobal equals %d\n",myglobal) [934] - UnprovableResult [Line: 937]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 110 locations, 8 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 21 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-10-17 10:09:34,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898d81-f24a-448a-a340-a136480e8ff6/bin/uautomizer-J5u9QxTXDZ/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