./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_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_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/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_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/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_0332fa69-e0f9-4671-a591-f9eed9f3207f/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 0a92542e2dda55880e261e8e9c4c926ece76b9696d64e1535984774b57178a24 --- 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 11:07:01,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:07:01,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:07:01,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:07:01,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:07:01,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:07:01,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:07:01,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:07:01,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:07:01,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:07:01,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:07:01,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:07:01,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:07:01,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:07:01,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:07:01,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:07:01,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:07:01,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:07:01,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:07:01,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:07:01,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:07:01,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:07:01,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:07:01,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:07:01,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:07:01,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:07:01,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:07:01,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:07:01,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:07:01,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:07:01,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:07:01,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:07:01,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:07:01,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:07:01,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:07:01,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:07:01,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:07:01,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:07:01,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:07:01,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:07:01,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:07:01,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 11:07:01,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:07:01,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:07:01,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:07:01,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:07:01,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:07:01,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:07:01,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:07:01,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:07:01,481 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:07:01,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:07:01,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:07:01,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:07:01,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:07:01,483 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 11:07:01,483 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:07:01,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:07:01,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:07:01,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:07:01,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:07:01,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:07:01,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:07:01,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:07:01,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:07:01,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:07:01,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:07:01,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:07:01,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:07:01,486 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:07:01,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:07:01,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:07:01,486 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_0332fa69-e0f9-4671-a591-f9eed9f3207f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a92542e2dda55880e261e8e9c4c926ece76b9696d64e1535984774b57178a24 [2022-10-17 11:07:01,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:07:01,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:07:01,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:07:01,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:07:01,822 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:07:01,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-10-17 11:07:01,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/data/f54bdbf39/af98266f1994430aba2563426c44963e/FLAG12642a7b5 [2022-10-17 11:07:02,433 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:07:02,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-10-17 11:07:02,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/data/f54bdbf39/af98266f1994430aba2563426c44963e/FLAG12642a7b5 [2022-10-17 11:07:02,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/data/f54bdbf39/af98266f1994430aba2563426c44963e [2022-10-17 11:07:02,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:07:02,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:07:02,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:07:02,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:07:02,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:07:02,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:07:02" (1/1) ... [2022-10-17 11:07:02,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b94072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:02, skipping insertion in model container [2022-10-17 11:07:02,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:07:02" (1/1) ... [2022-10-17 11:07:02,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:07:02,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:07:03,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:07:03,135 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:07:03,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:07:03,256 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:07:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03 WrapperNode [2022-10-17 11:07:03,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:07:03,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:07:03,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:07:03,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:07:03,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,327 INFO L138 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-10-17 11:07:03,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:07:03,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:07:03,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:07:03,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:07:03,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:07:03,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:07:03,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:07:03,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:07:03,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (1/1) ... [2022-10-17 11:07:03,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:07:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:07:03,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:07:03,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:07:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 11:07:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:07:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:07:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:07:03,479 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 11:07:03,596 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:07:03,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:07:03,929 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:07:03,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:07:03,938 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 11:07:03,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:03 BoogieIcfgContainer [2022-10-17 11:07:03,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:07:03,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:07:03,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:07:03,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:07:03,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:07:02" (1/3) ... [2022-10-17 11:07:03,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8d2bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:07:03, skipping insertion in model container [2022-10-17 11:07:03,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:07:03" (2/3) ... [2022-10-17 11:07:03,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8d2bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:07:03, skipping insertion in model container [2022-10-17 11:07:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:03" (3/3) ... [2022-10-17 11:07:03,950 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-10-17 11:07:03,970 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 11:07:03,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:07:03,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-10-17 11:07:03,982 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 11:07:04,037 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 11:07:04,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 107 transitions, 222 flow [2022-10-17 11:07:04,135 INFO L130 PetriNetUnfolder]: 3/106 cut-off events. [2022-10-17 11:07:04,136 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:07:04,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 106 events. 3/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 124 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-10-17 11:07:04,140 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 107 transitions, 222 flow [2022-10-17 11:07:04,145 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 98 transitions, 199 flow [2022-10-17 11:07:04,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:07:04,164 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;@3d4ab92a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:07:04,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-17 11:07:04,178 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2022-10-17 11:07:04,178 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:07:04,179 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:04,179 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:07:04,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:04,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1400574992, now seen corresponding path program 1 times [2022-10-17 11:07:04,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:04,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422238433] [2022-10-17 11:07:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:04,459 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 11:07:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:04,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422238433] [2022-10-17 11:07:04,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422238433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:04,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:04,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:07:04,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507046108] [2022-10-17 11:07:04,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:04,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:07:04,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:04,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:07:04,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:07:04,509 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 107 [2022-10-17 11:07:04,512 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 98 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 11:07:04,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:07:04,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 107 [2022-10-17 11:07:04,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:07:04,681 INFO L130 PetriNetUnfolder]: 50/410 cut-off events. [2022-10-17 11:07:04,682 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:07:04,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 410 events. 50/410 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1653 event pairs, 15 based on Foata normal form. 10/372 useless extension candidates. Maximal degree in co-relation 480. Up to 55 conditions per place. [2022-10-17 11:07:04,688 INFO L137 encePairwiseOnDemand]: 98/107 looper letters, 17 selfloop transitions, 6 changer transitions 0/107 dead transitions. [2022-10-17 11:07:04,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 107 transitions, 263 flow [2022-10-17 11:07:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:07:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:07:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2022-10-17 11:07:04,708 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2022-10-17 11:07:04,709 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2022-10-17 11:07:04,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2022-10-17 11:07:04,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:07:04,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2022-10-17 11:07:04,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 11:07:04,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:04,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:04,726 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 199 flow. Second operand 3 states and 303 transitions. [2022-10-17 11:07:04,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 107 transitions, 263 flow [2022-10-17 11:07:04,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 107 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:07:04,746 INFO L231 Difference]: Finished difference. Result has 102 places, 103 transitions, 248 flow [2022-10-17 11:07:04,755 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=102, PETRI_TRANSITIONS=103} [2022-10-17 11:07:04,759 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 3 predicate places. [2022-10-17 11:07:04,759 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 103 transitions, 248 flow [2022-10-17 11:07:04,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 11:07:04,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:04,760 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] [2022-10-17 11:07:04,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:07:04,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash 959353363, now seen corresponding path program 1 times [2022-10-17 11:07:04,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:04,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147594457] [2022-10-17 11:07:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:04,891 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 11:07:04,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:04,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147594457] [2022-10-17 11:07:04,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147594457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:04,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:04,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:07:04,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952493700] [2022-10-17 11:07:04,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:04,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:07:04,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:04,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:07:04,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:07:04,898 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 107 [2022-10-17 11:07:04,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 103 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 11:07:04,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:07:04,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 107 [2022-10-17 11:07:04,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:07:05,114 INFO L130 PetriNetUnfolder]: 79/610 cut-off events. [2022-10-17 11:07:05,114 INFO L131 PetriNetUnfolder]: For 126/159 co-relation queries the response was YES. [2022-10-17 11:07:05,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 610 events. 79/610 cut-off events. For 126/159 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3240 event pairs, 20 based on Foata normal form. 5/557 useless extension candidates. Maximal degree in co-relation 846. Up to 117 conditions per place. [2022-10-17 11:07:05,129 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 24 selfloop transitions, 7 changer transitions 0/113 dead transitions. [2022-10-17 11:07:05,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 113 transitions, 348 flow [2022-10-17 11:07:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:07:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:07:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2022-10-17 11:07:05,146 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9158878504672897 [2022-10-17 11:07:05,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2022-10-17 11:07:05,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2022-10-17 11:07:05,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:07:05,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2022-10-17 11:07:05,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 11:07:05,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:05,170 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:05,171 INFO L175 Difference]: Start difference. First operand has 102 places, 103 transitions, 248 flow. Second operand 3 states and 294 transitions. [2022-10-17 11:07:05,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 113 transitions, 348 flow [2022-10-17 11:07:05,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 113 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 11:07:05,176 INFO L231 Difference]: Finished difference. Result has 104 places, 108 transitions, 292 flow [2022-10-17 11:07:05,177 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=104, PETRI_TRANSITIONS=108} [2022-10-17 11:07:05,178 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 5 predicate places. [2022-10-17 11:07:05,178 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 108 transitions, 292 flow [2022-10-17 11:07:05,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 11:07:05,178 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:05,179 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:07:05,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 11:07:05,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash -572929362, now seen corresponding path program 1 times [2022-10-17 11:07:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:05,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502819193] [2022-10-17 11:07:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:05,283 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 11:07:05,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502819193] [2022-10-17 11:07:05,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502819193] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:05,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:05,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 11:07:05,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183290958] [2022-10-17 11:07:05,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:05,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:07:05,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:05,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:07:05,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:07:05,287 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2022-10-17 11:07:05,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 108 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 11:07:05,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:07:05,288 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2022-10-17 11:07:05,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:07:05,372 INFO L130 PetriNetUnfolder]: 55/518 cut-off events. [2022-10-17 11:07:05,372 INFO L131 PetriNetUnfolder]: For 86/94 co-relation queries the response was YES. [2022-10-17 11:07:05,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 518 events. 55/518 cut-off events. For 86/94 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2636 event pairs, 10 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 730. Up to 61 conditions per place. [2022-10-17 11:07:05,376 INFO L137 encePairwiseOnDemand]: 104/107 looper letters, 8 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-10-17 11:07:05,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 111 transitions, 318 flow [2022-10-17 11:07:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:07:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:07:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2022-10-17 11:07:05,378 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9501557632398754 [2022-10-17 11:07:05,378 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 305 transitions. [2022-10-17 11:07:05,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions. [2022-10-17 11:07:05,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:07:05,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions. [2022-10-17 11:07:05,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 11:07:05,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:05,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:05,382 INFO L175 Difference]: Start difference. First operand has 104 places, 108 transitions, 292 flow. Second operand 3 states and 305 transitions. [2022-10-17 11:07:05,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 111 transitions, 318 flow [2022-10-17 11:07:05,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 111 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 11:07:05,388 INFO L231 Difference]: Finished difference. Result has 105 places, 109 transitions, 290 flow [2022-10-17 11:07:05,388 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=105, PETRI_TRANSITIONS=109} [2022-10-17 11:07:05,389 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2022-10-17 11:07:05,389 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 109 transitions, 290 flow [2022-10-17 11:07:05,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 11:07:05,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:05,390 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] [2022-10-17 11:07:05,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 11:07:05,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:05,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:05,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1079248566, now seen corresponding path program 1 times [2022-10-17 11:07:05,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:05,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190678939] [2022-10-17 11:07:05,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:05,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:05,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:05,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190678939] [2022-10-17 11:07:05,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190678939] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 11:07:05,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624870834] [2022-10-17 11:07:05,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:05,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:07:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:07:05,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 11:07:05,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 11:07:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:05,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 11:07:05,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:07:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:05,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 11:07:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:05,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624870834] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 11:07:05,883 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 11:07:05,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-17 11:07:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750220581] [2022-10-17 11:07:05,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 11:07:05,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-17 11:07:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-17 11:07:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-17 11:07:05,888 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 107 [2022-10-17 11:07:05,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 109 transitions, 290 flow. Second operand has 10 states, 10 states have (on average 98.8) internal successors, (988), 10 states have internal predecessors, (988), 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 11:07:05,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:07:05,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 107 [2022-10-17 11:07:05,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:07:06,095 INFO L130 PetriNetUnfolder]: 85/778 cut-off events. [2022-10-17 11:07:06,095 INFO L131 PetriNetUnfolder]: For 78/90 co-relation queries the response was YES. [2022-10-17 11:07:06,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 778 events. 85/778 cut-off events. For 78/90 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4651 event pairs, 17 based on Foata normal form. 10/723 useless extension candidates. Maximal degree in co-relation 1105. Up to 94 conditions per place. [2022-10-17 11:07:06,103 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 8 selfloop transitions, 9 changer transitions 0/117 dead transitions. [2022-10-17 11:07:06,105 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 117 transitions, 342 flow [2022-10-17 11:07:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 11:07:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-10-17 11:07:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 892 transitions. [2022-10-17 11:07:06,109 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9262720664589823 [2022-10-17 11:07:06,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 892 transitions. [2022-10-17 11:07:06,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 892 transitions. [2022-10-17 11:07:06,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:07:06,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 892 transitions. [2022-10-17 11:07:06,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.11111111111111) internal successors, (892), 9 states have internal predecessors, (892), 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 11:07:06,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 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 11:07:06,120 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 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 11:07:06,120 INFO L175 Difference]: Start difference. First operand has 105 places, 109 transitions, 290 flow. Second operand 9 states and 892 transitions. [2022-10-17 11:07:06,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 117 transitions, 342 flow [2022-10-17 11:07:06,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 117 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:07:06,127 INFO L231 Difference]: Finished difference. Result has 115 places, 115 transitions, 338 flow [2022-10-17 11:07:06,128 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=338, PETRI_PLACES=115, PETRI_TRANSITIONS=115} [2022-10-17 11:07:06,129 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 16 predicate places. [2022-10-17 11:07:06,129 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 115 transitions, 338 flow [2022-10-17 11:07:06,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 98.8) internal successors, (988), 10 states have internal predecessors, (988), 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 11:07:06,132 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:06,132 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, 1, 1, 1] [2022-10-17 11:07:06,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 11:07:06,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 11:07:06,356 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:06,357 INFO L85 PathProgramCache]: Analyzing trace with hash 784528596, now seen corresponding path program 1 times [2022-10-17 11:07:06,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:06,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887058390] [2022-10-17 11:07:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:06,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:06,403 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 11:07:06,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:06,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887058390] [2022-10-17 11:07:06,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887058390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:06,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:06,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:07:06,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741871405] [2022-10-17 11:07:06,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:06,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:07:06,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:06,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:07:06,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:07:06,406 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2022-10-17 11:07:06,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 115 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 11:07:06,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:07:06,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2022-10-17 11:07:06,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:07:06,610 INFO L130 PetriNetUnfolder]: 224/1157 cut-off events. [2022-10-17 11:07:06,610 INFO L131 PetriNetUnfolder]: For 311/321 co-relation queries the response was YES. [2022-10-17 11:07:06,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1157 events. 224/1157 cut-off events. For 311/321 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7413 event pairs, 75 based on Foata normal form. 0/1067 useless extension candidates. Maximal degree in co-relation 2164. Up to 353 conditions per place. [2022-10-17 11:07:06,620 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 28 selfloop transitions, 9 changer transitions 0/126 dead transitions. [2022-10-17 11:07:06,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 126 transitions, 456 flow [2022-10-17 11:07:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:07:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:07:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2022-10-17 11:07:06,622 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9096573208722741 [2022-10-17 11:07:06,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2022-10-17 11:07:06,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2022-10-17 11:07:06,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:07:06,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2022-10-17 11:07:06,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 11:07:06,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:06,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 11:07:06,627 INFO L175 Difference]: Start difference. First operand has 115 places, 115 transitions, 338 flow. Second operand 3 states and 292 transitions. [2022-10-17 11:07:06,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 126 transitions, 456 flow [2022-10-17 11:07:06,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 126 transitions, 450 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-10-17 11:07:06,634 INFO L231 Difference]: Finished difference. Result has 118 places, 120 transitions, 400 flow [2022-10-17 11:07:06,635 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=118, PETRI_TRANSITIONS=120} [2022-10-17 11:07:06,638 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 19 predicate places. [2022-10-17 11:07:06,638 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 120 transitions, 400 flow [2022-10-17 11:07:06,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 11:07:06,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:07:06,639 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:07:06,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 11:07:06,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-10-17 11:07:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash -237489660, now seen corresponding path program 1 times [2022-10-17 11:07:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:06,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444889281] [2022-10-17 11:07:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:07:06,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:07:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:07:06,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:07:06,732 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 11:07:06,733 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-10-17 11:07:06,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-10-17 11:07:06,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-10-17 11:07:06,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-10-17 11:07:06,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-10-17 11:07:06,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-10-17 11:07:06,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-10-17 11:07:06,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-10-17 11:07:06,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 11:07:06,737 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-17 11:07:06,748 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 11:07:06,748 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 11:07:06,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 11:07:06 BasicIcfg [2022-10-17 11:07:06,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 11:07:06,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 11:07:06,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 11:07:06,833 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 11:07:06,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:03" (3/4) ... [2022-10-17 11:07:06,836 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 11:07:06,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 11:07:06,839 INFO L158 Benchmark]: Toolchain (without parser) took 4146.24ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 75.4MB in the beginning and 80.6MB in the end (delta: -5.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,839 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:07:06,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.88ms. Allocated memory is still 115.3MB. Free memory was 75.1MB in the beginning and 77.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.83ms. Allocated memory is still 115.3MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,850 INFO L158 Benchmark]: Boogie Preprocessor took 50.86ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 73.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,851 INFO L158 Benchmark]: RCFGBuilder took 560.56ms. Allocated memory is still 115.3MB. Free memory was 73.4MB in the beginning and 88.4MB in the end (delta: -15.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,851 INFO L158 Benchmark]: TraceAbstraction took 2887.43ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 87.7MB in the beginning and 81.6MB in the end (delta: 6.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-10-17 11:07:06,852 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 138.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:07:06,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.88ms. Allocated memory is still 115.3MB. Free memory was 75.1MB in the beginning and 77.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.83ms. Allocated memory is still 115.3MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.86ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 73.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.56ms. Allocated memory is still 115.3MB. Free memory was 73.4MB in the beginning and 88.4MB in the end (delta: -15.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2887.43ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 87.7MB in the beginning and 81.6MB in the end (delta: 6.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 138.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 697]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; VAL [glob=0] [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}] [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}, mutex2={2:0}] [L702] 0 pthread_t id; VAL [glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob=glob+1 [691] and C: glob+1 [697] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: 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: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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, 122 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: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 49 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=5, InterpolantAutomatonStates: 21, 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, 0.7s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 2 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 0/3 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 11:07:06,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0332fa69-e0f9-4671-a591-f9eed9f3207f/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