./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.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_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/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_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/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_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/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 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- 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 03:07:47,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:07:47,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:07:47,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:07:47,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:07:47,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:07:47,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:07:47,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:07:47,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:07:47,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:07:47,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:07:47,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:07:47,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:07:47,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:07:47,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:07:47,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:07:47,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:07:47,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:07:47,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:07:47,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:07:47,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:07:47,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:07:47,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:07:47,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:07:47,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:07:47,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:07:47,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:07:47,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:07:47,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:07:47,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:07:47,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:07:47,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:07:47,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:07:47,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:07:47,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:07:47,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:07:47,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:07:47,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:07:47,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:07:47,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:07:47,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:07:47,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:07:47,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:07:47,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:07:47,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:07:47,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:07:47,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:07:47,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:07:47,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:07:47,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:07:47,703 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:07:47,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:07:47,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:07:47,705 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:07:47,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:07:47,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:07:47,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:07:47,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:07:47,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:07:47,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:07:47,706 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:07:47,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:07:47,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:07:47,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:07:47,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:07:47,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:07:47,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:07:47,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:07:47,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:07:47,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:07:47,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:07:47,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:07:47,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:07:47,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:07:47,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:07:47,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:07:47,710 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:07:47,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:07:47,710 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_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2022-11-23 03:07:48,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:07:48,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:07:48,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:07:48,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:07:48,066 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:07:48,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-11-23 03:07:51,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:07:51,427 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:07:51,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-11-23 03:07:51,444 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/data/d2c79c808/7ec075a05ed8468f94443ea83d6ae929/FLAG84f55869d [2022-11-23 03:07:51,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/data/d2c79c808/7ec075a05ed8468f94443ea83d6ae929 [2022-11-23 03:07:51,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:07:51,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:07:51,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:07:51,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:07:51,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:07:51,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:51" (1/1) ... [2022-11-23 03:07:51,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da7ea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:51, skipping insertion in model container [2022-11-23 03:07:51,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:51" (1/1) ... [2022-11-23 03:07:51,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:07:51,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:07:52,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:07:52,137 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:07:52,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:07:52,284 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:07:52,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52 WrapperNode [2022-11-23 03:07:52,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:07:52,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:07:52,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:07:52,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:07:52,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,371 INFO L138 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-23 03:07:52,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:07:52,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:07:52,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:07:52,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:07:52,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:07:52,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:07:52,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:07:52,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:07:52,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (1/1) ... [2022-11-23 03:07:52,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:07:52,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:07:52,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:07:52,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:07:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:07:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:07:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:07:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:07:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:07:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:07:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:07:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:07:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:07:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:07:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:07:52,521 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 03:07:52,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:07:52,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:07:53,043 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:07:53,049 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:07:53,050 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:07:53,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:53 BoogieIcfgContainer [2022-11-23 03:07:53,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:07:53,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:07:53,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:07:53,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:07:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:07:51" (1/3) ... [2022-11-23 03:07:53,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22592883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:07:53, skipping insertion in model container [2022-11-23 03:07:53,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:52" (2/3) ... [2022-11-23 03:07:53,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22592883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:07:53, skipping insertion in model container [2022-11-23 03:07:53,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:53" (3/3) ... [2022-11-23 03:07:53,058 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2022-11-23 03:07:53,067 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:07:53,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:07:53,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 03:07:53,078 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:07:53,134 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 03:07:53,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2022-11-23 03:07:53,215 INFO L130 PetriNetUnfolder]: 0/91 cut-off events. [2022-11-23 03:07:53,215 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 03:07:53,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-23 03:07:53,219 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2022-11-23 03:07:53,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 169 flow [2022-11-23 03:07:53,226 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:07:53,241 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 169 flow [2022-11-23 03:07:53,244 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 169 flow [2022-11-23 03:07:53,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 169 flow [2022-11-23 03:07:53,287 INFO L130 PetriNetUnfolder]: 0/83 cut-off events. [2022-11-23 03:07:53,287 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:07:53,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 0/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 03:07:53,290 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2022-11-23 03:07:56,102 INFO L134 LiptonReduction]: Checked pairs total: 10402 [2022-11-23 03:07:56,102 INFO L136 LiptonReduction]: Total number of compositions: 42 [2022-11-23 03:07:56,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:07:56,127 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;@2fe0491f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:07:56,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 03:07:56,132 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-23 03:07:56,133 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:07:56,133 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:07:56,134 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:07:56,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:07:56,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:07:56,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1980022716, now seen corresponding path program 1 times [2022-11-23 03:07:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:07:56,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233172027] [2022-11-23 03:07:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:07:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:07:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:07:56,964 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 03:07:56,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:07:56,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233172027] [2022-11-23 03:07:56,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233172027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:07:56,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:07:56,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:07:56,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792564585] [2022-11-23 03:07:56,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:07:56,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:07:56,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:07:57,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:07:57,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:07:57,294 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 134 [2022-11-23 03:07:57,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 03:07:57,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:07:57,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 134 [2022-11-23 03:07:57,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:07:57,547 INFO L130 PetriNetUnfolder]: 147/470 cut-off events. [2022-11-23 03:07:57,547 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:07:57,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 470 events. 147/470 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2290 event pairs, 66 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 791. Up to 242 conditions per place. [2022-11-23 03:07:57,556 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 41 selfloop transitions, 22 changer transitions 0/79 dead transitions. [2022-11-23 03:07:57,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 79 transitions, 287 flow [2022-11-23 03:07:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:07:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:07:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 508 transitions. [2022-11-23 03:07:57,572 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6318407960199005 [2022-11-23 03:07:57,573 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 508 transitions. [2022-11-23 03:07:57,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 508 transitions. [2022-11-23 03:07:57,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:07:57,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 508 transitions. [2022-11-23 03:07:57,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.66666666666667) internal successors, (508), 6 states have internal predecessors, (508), 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 03:07:57,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:57,588 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:57,590 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 508 transitions. [2022-11-23 03:07:57,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 79 transitions, 287 flow [2022-11-23 03:07:57,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 79 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:07:57,596 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2022-11-23 03:07:57,599 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2022-11-23 03:07:57,602 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-11-23 03:07:57,603 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2022-11-23 03:07:57,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 03:07:57,603 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:07:57,603 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:07:57,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:07:57,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:07:57,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:07:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1391786813, now seen corresponding path program 1 times [2022-11-23 03:07:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:07:57,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463398095] [2022-11-23 03:07:57,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:07:57,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:07:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:07:57,804 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 03:07:57,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:07:57,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463398095] [2022-11-23 03:07:57,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463398095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:07:57,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:07:57,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:07:57,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883007506] [2022-11-23 03:07:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:07:57,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:07:57,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:07:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:07:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:07:58,047 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 134 [2022-11-23 03:07:58,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 03:07:58,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:07:58,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 134 [2022-11-23 03:07:58,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:07:58,249 INFO L130 PetriNetUnfolder]: 189/582 cut-off events. [2022-11-23 03:07:58,250 INFO L131 PetriNetUnfolder]: For 136/139 co-relation queries the response was YES. [2022-11-23 03:07:58,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 582 events. 189/582 cut-off events. For 136/139 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3087 event pairs, 76 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 1184. Up to 306 conditions per place. [2022-11-23 03:07:58,255 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 57 selfloop transitions, 26 changer transitions 0/103 dead transitions. [2022-11-23 03:07:58,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 103 transitions, 500 flow [2022-11-23 03:07:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:07:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:07:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2022-11-23 03:07:58,258 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6355721393034826 [2022-11-23 03:07:58,258 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 511 transitions. [2022-11-23 03:07:58,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 511 transitions. [2022-11-23 03:07:58,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:07:58,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 511 transitions. [2022-11-23 03:07:58,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 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 03:07:58,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:58,264 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:58,264 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 511 transitions. [2022-11-23 03:07:58,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 103 transitions, 500 flow [2022-11-23 03:07:58,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 103 transitions, 500 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:07:58,269 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2022-11-23 03:07:58,270 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2022-11-23 03:07:58,271 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2022-11-23 03:07:58,271 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2022-11-23 03:07:58,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 03:07:58,272 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:07:58,272 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:07:58,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:07:58,273 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:07:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:07:58,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1227759615, now seen corresponding path program 1 times [2022-11-23 03:07:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:07:58,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988016932] [2022-11-23 03:07:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:07:58,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:07:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:07:58,507 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 03:07:58,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:07:58,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988016932] [2022-11-23 03:07:58,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988016932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:07:58,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:07:58,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:07:58,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042165266] [2022-11-23 03:07:58,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:07:58,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:07:58,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:07:58,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:07:58,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:07:58,727 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 134 [2022-11-23 03:07:58,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 66.5) internal successors, (399), 6 states have internal predecessors, (399), 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 03:07:58,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:07:58,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 134 [2022-11-23 03:07:58,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:07:59,164 INFO L130 PetriNetUnfolder]: 396/958 cut-off events. [2022-11-23 03:07:59,164 INFO L131 PetriNetUnfolder]: For 637/649 co-relation queries the response was YES. [2022-11-23 03:07:59,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 958 events. 396/958 cut-off events. For 637/649 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4972 event pairs, 131 based on Foata normal form. 1/914 useless extension candidates. Maximal degree in co-relation 2588. Up to 690 conditions per place. [2022-11-23 03:07:59,172 INFO L137 encePairwiseOnDemand]: 115/134 looper letters, 84 selfloop transitions, 69 changer transitions 0/162 dead transitions. [2022-11-23 03:07:59,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 162 transitions, 1016 flow [2022-11-23 03:07:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:07:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:07:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2022-11-23 03:07:59,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6057213930348259 [2022-11-23 03:07:59,175 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2022-11-23 03:07:59,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2022-11-23 03:07:59,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:07:59,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2022-11-23 03:07:59,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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 03:07:59,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:59,179 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:07:59,180 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 487 transitions. [2022-11-23 03:07:59,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 162 transitions, 1016 flow [2022-11-23 03:07:59,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 162 transitions, 1016 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:07:59,192 INFO L231 Difference]: Finished difference. Result has 74 places, 146 transitions, 1004 flow [2022-11-23 03:07:59,193 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1004, PETRI_PLACES=74, PETRI_TRANSITIONS=146} [2022-11-23 03:07:59,194 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2022-11-23 03:07:59,194 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 146 transitions, 1004 flow [2022-11-23 03:07:59,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 66.5) internal successors, (399), 6 states have internal predecessors, (399), 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 03:07:59,195 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:07:59,195 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:07:59,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:07:59,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:07:59,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:07:59,208 INFO L85 PathProgramCache]: Analyzing trace with hash -747254200, now seen corresponding path program 1 times [2022-11-23 03:07:59,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:07:59,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274049651] [2022-11-23 03:07:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:07:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:07:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:07:59,518 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 03:07:59,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:07:59,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274049651] [2022-11-23 03:07:59,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274049651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:07:59,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:07:59,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:07:59,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838888270] [2022-11-23 03:07:59,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:07:59,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:07:59,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:07:59,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:07:59,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:07:59,677 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 134 [2022-11-23 03:07:59,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 146 transitions, 1004 flow. Second operand has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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 03:07:59,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:07:59,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 134 [2022-11-23 03:07:59,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:08:00,037 INFO L130 PetriNetUnfolder]: 467/1102 cut-off events. [2022-11-23 03:08:00,037 INFO L131 PetriNetUnfolder]: For 1316/1327 co-relation queries the response was YES. [2022-11-23 03:08:00,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3825 conditions, 1102 events. 467/1102 cut-off events. For 1316/1327 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5947 event pairs, 119 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 3802. Up to 818 conditions per place. [2022-11-23 03:08:00,048 INFO L137 encePairwiseOnDemand]: 119/134 looper letters, 148 selfloop transitions, 67 changer transitions 0/224 dead transitions. [2022-11-23 03:08:00,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 224 transitions, 1856 flow [2022-11-23 03:08:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:08:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:08:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 469 transitions. [2022-11-23 03:08:00,050 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2022-11-23 03:08:00,051 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 469 transitions. [2022-11-23 03:08:00,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 469 transitions. [2022-11-23 03:08:00,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:08:00,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 469 transitions. [2022-11-23 03:08:00,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 03:08:00,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:08:00,055 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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 03:08:00,055 INFO L175 Difference]: Start difference. First operand has 74 places, 146 transitions, 1004 flow. Second operand 6 states and 469 transitions. [2022-11-23 03:08:00,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 224 transitions, 1856 flow [2022-11-23 03:08:00,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 224 transitions, 1792 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-23 03:08:00,072 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1592 flow [2022-11-23 03:08:00,072 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1592, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2022-11-23 03:08:00,073 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2022-11-23 03:08:00,073 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1592 flow [2022-11-23 03:08:00,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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 03:08:00,074 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:08:00,074 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:08:00,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:08:00,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:08:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash -546503780, now seen corresponding path program 1 times [2022-11-23 03:08:00,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:00,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773614814] [2022-11-23 03:08:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:08:00,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:08:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:08:00,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:08:00,133 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:08:00,134 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-23 03:08:00,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-23 03:08:00,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-23 03:08:00,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-23 03:08:00,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-23 03:08:00,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-23 03:08:00,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-23 03:08:00,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-23 03:08:00,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:08:00,138 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 03:08:00,145 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:08:00,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:08:00,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:08:00 BasicIcfg [2022-11-23 03:08:00,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:08:00,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:08:00,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:08:00,180 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:08:00,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:07:53" (3/4) ... [2022-11-23 03:08:00,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:08:00,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:08:00,184 INFO L158 Benchmark]: Toolchain (without parser) took 8721.17ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 134.6MB in the beginning and 76.2MB in the end (delta: 58.4MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,184 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:08:00,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.98ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 118.1MB in the end (delta: 16.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.99ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,186 INFO L158 Benchmark]: Boogie Preprocessor took 62.06ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,186 INFO L158 Benchmark]: RCFGBuilder took 616.44ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 97.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,187 INFO L158 Benchmark]: TraceAbstraction took 7125.89ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 97.2MB in the beginning and 77.2MB in the end (delta: 19.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-23 03:08:00,187 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:08:00,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.98ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 118.1MB in the end (delta: 16.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.99ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.06ms. Allocated memory is still 167.8MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.44ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 97.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7125.89ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 97.2MB in the beginning and 77.2MB in the end (delta: 19.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.0MB). 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: 2.9s, 87 PlacesBefore, 45 PlacesAfterwards, 83 TransitionsBefore, 41 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, 10402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2198, independent: 1694, independent conditional: 0, independent unconditional: 1694, dependent: 504, dependent conditional: 0, dependent unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 654, independent: 580, independent conditional: 0, independent unconditional: 580, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 654, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 362, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 289, dependent conditional: 0, dependent unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2198, independent: 1114, independent conditional: 0, independent unconditional: 1114, dependent: 430, dependent conditional: 0, dependent unconditional: 430, unknown: 654, unknown conditional: 0, unknown unconditional: 654] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 931]: 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 } } } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L921] 1 int *p = &myglobal; [L923] EXPR 1 \read(*p) VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 \read(myglobal) VAL [#in~arg={0:0}, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [#in~arg={0:0}, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [#in~arg={0:0}, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [#in~arg={0:0}, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [#in~arg={0:0}, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [#in~arg={0:0}, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [#in~arg={0:0}, *p = *p + 1=25, \read(*p)=0, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [#in~arg={0:0}, *p = *p + 1=25, \read(*p)=0, \read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: *p = *p + 1 [923] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 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: 7.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1196 IncrementalHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 36 mSDtfsCounter, 1196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 03:08:00,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9df1ac-92b9-4c6b-99dc-40b4108b574c/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