./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 04:10:55,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:10:55,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:10:55,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:10:55,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:10:55,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:10:55,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:10:55,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:10:55,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:10:55,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:10:55,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:10:55,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:10:55,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:10:55,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:10:55,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:10:55,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:10:55,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:10:55,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:10:55,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:10:55,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:10:55,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:10:55,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:10:55,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:10:55,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:10:55,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:10:55,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:10:55,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:10:55,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:10:55,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:10:55,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:10:55,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:10:55,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:10:55,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:10:55,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:10:55,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:10:55,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:10:55,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:10:55,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:10:55,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:10:55,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:10:55,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:10:55,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 04:10:55,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:10:55,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:10:55,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:10:55,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:10:55,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:10:55,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:10:55,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:10:55,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:10:55,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:10:55,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:10:55,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 04:10:55,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:10:55,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:10:55,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 04:10:55,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:10:55,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:10:55,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:10:55,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:10:55,369 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 04:10:55,370 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 04:10:55,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:10:55,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:10:55,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:10:55,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:10:55,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:10:55,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:10:55,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:10:55,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:10:55,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:10:55,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:10:55,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:10:55,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:10:55,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:10:55,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:10:55,375 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:10:55,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:10:55,375 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 [2022-11-23 04:10:55,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:10:55,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:10:55,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:10:55,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:10:55,753 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:10:55,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-11-23 04:10:59,250 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:10:59,545 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:10:59,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-11-23 04:10:59,566 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/data/158bd10c4/e92cb80d37cb4a0e8a1e21cc58c65315/FLAG8885d4d1e [2022-11-23 04:10:59,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/data/158bd10c4/e92cb80d37cb4a0e8a1e21cc58c65315 [2022-11-23 04:10:59,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:10:59,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:10:59,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:10:59,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:10:59,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:10:59,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:59" (1/1) ... [2022-11-23 04:10:59,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb3602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:59, skipping insertion in model container [2022-11-23 04:10:59,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:59" (1/1) ... [2022-11-23 04:10:59,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:10:59,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:11:00,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:11:00,316 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:11:00,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:11:00,495 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:11:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00 WrapperNode [2022-11-23 04:11:00,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:11:00,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:11:00,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:11:00,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:11:00,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,592 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-11-23 04:11:00,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:11:00,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:11:00,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:11:00,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:11:00,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:11:00,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:11:00,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:11:00,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:11:00,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (1/1) ... [2022-11-23 04:11:00,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:11:00,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:11:00,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:11:00,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:11:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:11:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:11:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:11:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:11:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 04:11:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:11:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 04:11:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 04:11:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:11:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:11:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:11:00,773 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 04:11:00,945 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:11:00,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:11:01,131 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:11:01,139 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:11:01,140 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 04:11:01,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:01 BoogieIcfgContainer [2022-11-23 04:11:01,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:11:01,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:11:01,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:11:01,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:11:01,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:10:59" (1/3) ... [2022-11-23 04:11:01,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b7c38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:01, skipping insertion in model container [2022-11-23 04:11:01,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:00" (2/3) ... [2022-11-23 04:11:01,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b7c38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:01, skipping insertion in model container [2022-11-23 04:11:01,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:01" (3/3) ... [2022-11-23 04:11:01,155 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2022-11-23 04:11:01,167 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 04:11:01,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:11:01,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 04:11:01,200 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 04:11:01,318 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 04:11:01,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 162 flow [2022-11-23 04:11:01,454 INFO L130 PetriNetUnfolder]: 0/76 cut-off events. [2022-11-23 04:11:01,455 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 04:11:01,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 0/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-23 04:11:01,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 77 transitions, 162 flow [2022-11-23 04:11:01,463 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 139 flow [2022-11-23 04:11:01,467 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 04:11:01,486 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 139 flow [2022-11-23 04:11:01,491 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 139 flow [2022-11-23 04:11:01,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 139 flow [2022-11-23 04:11:01,559 INFO L130 PetriNetUnfolder]: 0/68 cut-off events. [2022-11-23 04:11:01,559 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:11:01,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 68 events. 0/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 04:11:01,561 INFO L119 LiptonReduction]: Number of co-enabled transitions 798 [2022-11-23 04:11:04,834 INFO L134 LiptonReduction]: Checked pairs total: 2788 [2022-11-23 04:11:04,835 INFO L136 LiptonReduction]: Total number of compositions: 58 [2022-11-23 04:11:04,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:11:04,865 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;@9055418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:11:04,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-23 04:11:04,870 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-11-23 04:11:04,871 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:11:04,871 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:11:04,872 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-23 04:11:04,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-23 04:11:04,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:04,881 INFO L85 PathProgramCache]: Analyzing trace with hash 256480, now seen corresponding path program 1 times [2022-11-23 04:11:04,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:04,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712042513] [2022-11-23 04:11:04,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:04,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:11:05,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:11:05,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712042513] [2022-11-23 04:11:05,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712042513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:11:05,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:11:05,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 04:11:05,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437871779] [2022-11-23 04:11:05,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:11:05,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 04:11:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:11:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 04:11:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 04:11:05,153 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 135 [2022-11-23 04:11:05,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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) [2022-11-23 04:11:05,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:11:05,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 135 [2022-11-23 04:11:05,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:11:05,205 INFO L130 PetriNetUnfolder]: 12/47 cut-off events. [2022-11-23 04:11:05,205 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:11:05,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 47 events. 12/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 126 event pairs, 12 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 76. Up to 34 conditions per place. [2022-11-23 04:11:05,208 INFO L137 encePairwiseOnDemand]: 134/135 looper letters, 9 selfloop transitions, 0 changer transitions 0/17 dead transitions. [2022-11-23 04:11:05,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 17 transitions, 55 flow [2022-11-23 04:11:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 04:11:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 04:11:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 160 transitions. [2022-11-23 04:11:05,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2022-11-23 04:11:05,252 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 160 transitions. [2022-11-23 04:11:05,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 160 transitions. [2022-11-23 04:11:05,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:11:05,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 160 transitions. [2022-11-23 04:11:05,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2022-11-23 04:11:05,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-11-23 04:11:05,268 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-11-23 04:11:05,270 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 2 states and 160 transitions. [2022-11-23 04:11:05,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 17 transitions, 55 flow [2022-11-23 04:11:05,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:11:05,276 INFO L231 Difference]: Finished difference. Result has 21 places, 17 transitions, 36 flow [2022-11-23 04:11:05,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=36, PETRI_PLACES=21, PETRI_TRANSITIONS=17} [2022-11-23 04:11:05,283 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -1 predicate places. [2022-11-23 04:11:05,283 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 36 flow [2022-11-23 04:11:05,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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) [2022-11-23 04:11:05,284 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:11:05,284 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 04:11:05,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:11:05,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-23 04:11:05,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:05,286 INFO L85 PathProgramCache]: Analyzing trace with hash 246455710, now seen corresponding path program 1 times [2022-11-23 04:11:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:05,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961717913] [2022-11-23 04:11:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:11:05,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:11:05,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961717913] [2022-11-23 04:11:05,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961717913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:11:05,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:11:05,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:11:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472851275] [2022-11-23 04:11:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:11:05,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:11:05,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:11:05,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:11:05,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:11:05,456 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 135 [2022-11-23 04:11:05,456 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-23 04:11:05,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:11:05,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 135 [2022-11-23 04:11:05,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:11:05,537 INFO L130 PetriNetUnfolder]: 38/104 cut-off events. [2022-11-23 04:11:05,540 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:11:05,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 104 events. 38/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 377 event pairs, 17 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 199. Up to 61 conditions per place. [2022-11-23 04:11:05,545 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 18 selfloop transitions, 4 changer transitions 0/25 dead transitions. [2022-11-23 04:11:05,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 25 transitions, 96 flow [2022-11-23 04:11:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:11:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:11:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2022-11-23 04:11:05,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5753086419753086 [2022-11-23 04:11:05,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2022-11-23 04:11:05,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2022-11-23 04:11:05,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:11:05,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2022-11-23 04:11:05,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2022-11-23 04:11:05,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2022-11-23 04:11:05,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2022-11-23 04:11:05,567 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 36 flow. Second operand 3 states and 233 transitions. [2022-11-23 04:11:05,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 25 transitions, 96 flow [2022-11-23 04:11:05,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 25 transitions, 96 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 04:11:05,570 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 66 flow [2022-11-23 04:11:05,570 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2022-11-23 04:11:05,573 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2022-11-23 04:11:05,573 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 66 flow [2022-11-23 04:11:05,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-23 04:11:05,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:11:05,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 04:11:05,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:11:05,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-23 04:11:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:05,579 INFO L85 PathProgramCache]: Analyzing trace with hash -949846661, now seen corresponding path program 1 times [2022-11-23 04:11:05,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:05,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705775245] [2022-11-23 04:11:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:05,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:11:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:11:05,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:11:05,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705775245] [2022-11-23 04:11:05,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705775245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:11:05,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:11:05,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:11:05,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743773745] [2022-11-23 04:11:05,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:11:05,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:11:05,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:11:05,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:11:05,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:11:05,712 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 135 [2022-11-23 04:11:05,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2022-11-23 04:11:05,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:11:05,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 135 [2022-11-23 04:11:05,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:11:05,785 INFO L130 PetriNetUnfolder]: 40/114 cut-off events. [2022-11-23 04:11:05,785 INFO L131 PetriNetUnfolder]: For 38/39 co-relation queries the response was YES. [2022-11-23 04:11:05,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 114 events. 40/114 cut-off events. For 38/39 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 441 event pairs, 17 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 264. Up to 70 conditions per place. [2022-11-23 04:11:05,791 INFO L137 encePairwiseOnDemand]: 129/135 looper letters, 15 selfloop transitions, 7 changer transitions 1/28 dead transitions. [2022-11-23 04:11:05,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 28 transitions, 138 flow [2022-11-23 04:11:05,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:11:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:11:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2022-11-23 04:11:05,793 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-11-23 04:11:05,793 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 225 transitions. [2022-11-23 04:11:05,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 225 transitions. [2022-11-23 04:11:05,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:11:05,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 225 transitions. [2022-11-23 04:11:05,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-11-23 04:11:05,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2022-11-23 04:11:05,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2022-11-23 04:11:05,799 INFO L175 Difference]: Start difference. First operand has 25 places, 20 transitions, 66 flow. Second operand 3 states and 225 transitions. [2022-11-23 04:11:05,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 28 transitions, 138 flow [2022-11-23 04:11:05,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 04:11:05,802 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 114 flow [2022-11-23 04:11:05,802 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2022-11-23 04:11:05,804 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, 5 predicate places. [2022-11-23 04:11:05,804 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 114 flow [2022-11-23 04:11:05,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2022-11-23 04:11:05,805 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:11:05,806 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:11:05,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:11:05,806 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-23 04:11:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:11:05,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2142937262, now seen corresponding path program 1 times [2022-11-23 04:11:05,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:11:05,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833845106] [2022-11-23 04:11:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:11:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:11:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 04:11:05,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 04:11:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 04:11:05,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 04:11:05,923 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 04:11:05,925 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-23 04:11:05,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-23 04:11:05,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-23 04:11:05,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-11-23 04:11:05,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-23 04:11:05,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-23 04:11:05,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:11:05,932 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 04:11:05,949 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 04:11:05,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:11:05,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:11:05 BasicIcfg [2022-11-23 04:11:05,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:11:05,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:11:05,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:11:05,991 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:11:05,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:01" (3/4) ... [2022-11-23 04:11:05,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 04:11:05,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:11:05,998 INFO L158 Benchmark]: Toolchain (without parser) took 6396.17ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 101.2MB in the beginning and 119.8MB in the end (delta: -18.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-23 04:11:06,001 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:11:06,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.04ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 73.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 04:11:06,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.22ms. Allocated memory is still 146.8MB. Free memory was 73.9MB in the beginning and 71.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 04:11:06,003 INFO L158 Benchmark]: Boogie Preprocessor took 64.50ms. Allocated memory is still 146.8MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:11:06,006 INFO L158 Benchmark]: RCFGBuilder took 484.03ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 56.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 04:11:06,012 INFO L158 Benchmark]: TraceAbstraction took 4844.99ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 120.8MB in the end (delta: -64.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:11:06,014 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 188.7MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:11:06,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.04ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 73.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.22ms. Allocated memory is still 146.8MB. Free memory was 73.9MB in the beginning and 71.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.50ms. Allocated memory is still 146.8MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.03ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 56.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4844.99ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 56.0MB in the beginning and 120.8MB in the end (delta: -64.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 188.7MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 72 PlacesBefore, 22 PlacesAfterwards, 68 TransitionsBefore, 18 TransitionsAfterwards, 798 CoEnabledTransitionPairs, 10 FixpointIterations, 26 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 2788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1560, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 595, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 595, independent: 539, independent conditional: 0, independent unconditional: 539, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1560, independent: 730, independent conditional: 0, independent unconditional: 730, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 595, unknown conditional: 0, unknown unconditional: 595] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 933]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L930] 0 pthread_t id; [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L925] CALL, EXPR 1 f() [L921] 1 return 5; [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [#in~arg={0:0}, arg={0:0}, f()=5, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=f()=25] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 925]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 04:11:06,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0754fcf9-1255-4546-899e-7412f0f05bdf/bin/uautomizer-QkZJyEgLgS/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