./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/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_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 09:30:44,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:30:44,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:30:44,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:30:44,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:30:44,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:30:44,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:30:44,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:30:44,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:30:44,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:30:44,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:30:44,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:30:44,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:30:44,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:30:44,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:30:44,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:30:44,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:30:44,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:30:44,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:30:44,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:30:44,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:30:44,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:30:44,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:30:44,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:30:44,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:30:44,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:30:44,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:30:44,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:30:44,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:30:44,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:30:44,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:30:44,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:30:44,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:30:44,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:30:44,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:30:44,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:30:44,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:30:44,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:30:44,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:30:44,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:30:44,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:30:44,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 09:30:44,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:30:44,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:30:44,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:30:44,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:30:44,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:30:44,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:30:44,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:30:44,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:30:44,688 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:30:44,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:30:44,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:30:44,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:30:44,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:30:44,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:30:44,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:30:44,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:30:44,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:30:44,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:30:44,689 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 09:30:44,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:30:44,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:30:44,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:30:44,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:30:44,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:30:44,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:30:44,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:30:44,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:44,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:30:44,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:30:44,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:30:44,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:30:44,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:30:44,692 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:30:44,692 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:30:44,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:30:44,692 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_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a92542e2dda55880e261e8e9c4c926ece76b9696d64e1535984774b57178a24 [2022-11-20 09:30:44,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:30:44,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:30:44,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:30:44,976 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:30:44,976 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:30:44,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-11-20 09:30:48,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:30:48,459 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:30:48,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-11-20 09:30:48,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/data/40344b09c/aa6e70f1c9c445ebba800cb62a608ed4/FLAG91741fc3b [2022-11-20 09:30:48,503 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/data/40344b09c/aa6e70f1c9c445ebba800cb62a608ed4 [2022-11-20 09:30:48,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:30:48,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:30:48,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:48,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:30:48,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:30:48,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:48" (1/1) ... [2022-11-20 09:30:48,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13466164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:48, skipping insertion in model container [2022-11-20 09:30:48,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:48" (1/1) ... [2022-11-20 09:30:48,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:30:48,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:30:48,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:48,989 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:30:49,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:49,088 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:30:49,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49 WrapperNode [2022-11-20 09:30:49,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:49,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:49,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:30:49,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:30:49,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,135 INFO L138 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-11-20 09:30:49,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:49,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:30:49,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:30:49,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:30:49,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:30:49,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:30:49,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:30:49,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:30:49,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (1/1) ... [2022-11-20 09:30:49,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:49,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:30:49,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:30:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:30:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:30:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 09:30:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:30:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:30:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 09:30:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 09:30:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:30:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:30:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:30:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:30:49,252 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 09:30:49,399 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:30:49,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:30:49,688 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:49,697 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:49,709 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:30:49,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:49 BoogieIcfgContainer [2022-11-20 09:30:49,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:49,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:49,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:49,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:49,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:48" (1/3) ... [2022-11-20 09:30:49,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0b3505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:49, skipping insertion in model container [2022-11-20 09:30:49,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:49" (2/3) ... [2022-11-20 09:30:49,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0b3505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:49, skipping insertion in model container [2022-11-20 09:30:49,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:49" (3/3) ... [2022-11-20 09:30:49,739 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-11-20 09:30:49,749 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 09:30:49,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:49,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-20 09:30:49,771 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 09:30:49,864 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 09:30:49,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 107 transitions, 222 flow [2022-11-20 09:30:50,027 INFO L130 PetriNetUnfolder]: 3/106 cut-off events. [2022-11-20 09:30:50,028 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 09:30:50,033 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 123 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. [2022-11-20 09:30:50,033 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 107 transitions, 222 flow [2022-11-20 09:30:50,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 98 transitions, 199 flow [2022-11-20 09:30:50,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:50,069 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;@24c49396, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:50,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 09:30:50,100 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2022-11-20 09:30:50,101 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 09:30:50,101 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:50,102 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:50,102 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)] === [2022-11-20 09:30:50,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1400574992, now seen corresponding path program 1 times [2022-11-20 09:30:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:50,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10881798] [2022-11-20 09:30:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:50,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:50,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10881798] [2022-11-20 09:30:50,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10881798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:50,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:50,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:50,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409395328] [2022-11-20 09:30:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:50,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:50,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:50,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:50,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:50,567 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 107 [2022-11-20 09:30:50,572 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) [2022-11-20 09:30:50,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:50,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 107 [2022-11-20 09:30:50,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:50,800 INFO L130 PetriNetUnfolder]: 50/410 cut-off events. [2022-11-20 09:30:50,800 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 09:30:50,802 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 1656 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. [2022-11-20 09:30:50,806 INFO L137 encePairwiseOnDemand]: 98/107 looper letters, 17 selfloop transitions, 6 changer transitions 0/107 dead transitions. [2022-11-20 09:30:50,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 107 transitions, 263 flow [2022-11-20 09:30:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:50,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2022-11-20 09:30:50,828 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2022-11-20 09:30:50,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2022-11-20 09:30:50,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2022-11-20 09:30:50,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:50,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2022-11-20 09:30:50,843 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) [2022-11-20 09:30:50,852 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) [2022-11-20 09:30:50,853 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) [2022-11-20 09:30:50,855 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 199 flow. Second operand 3 states and 303 transitions. [2022-11-20 09:30:50,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 107 transitions, 263 flow [2022-11-20 09:30:50,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 107 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:30:50,869 INFO L231 Difference]: Finished difference. Result has 102 places, 103 transitions, 248 flow [2022-11-20 09:30:50,871 INFO L271 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} [2022-11-20 09:30:50,877 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 3 predicate places. [2022-11-20 09:30:50,878 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 103 transitions, 248 flow [2022-11-20 09:30:50,878 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) [2022-11-20 09:30:50,878 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:50,879 INFO L209 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] [2022-11-20 09:30:50,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:30:50,880 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)] === [2022-11-20 09:30:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash 959353363, now seen corresponding path program 1 times [2022-11-20 09:30:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:50,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968213885] [2022-11-20 09:30:50,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:50,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:51,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:51,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968213885] [2022-11-20 09:30:51,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968213885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:51,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:51,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:51,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055477041] [2022-11-20 09:30:51,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:51,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:51,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:51,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:51,030 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 107 [2022-11-20 09:30:51,030 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) [2022-11-20 09:30:51,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:51,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 107 [2022-11-20 09:30:51,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:51,151 INFO L130 PetriNetUnfolder]: 79/610 cut-off events. [2022-11-20 09:30:51,151 INFO L131 PetriNetUnfolder]: For 126/159 co-relation queries the response was YES. [2022-11-20 09:30:51,163 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. [2022-11-20 09:30:51,165 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 24 selfloop transitions, 7 changer transitions 0/113 dead transitions. [2022-11-20 09:30:51,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 113 transitions, 348 flow [2022-11-20 09:30:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2022-11-20 09:30:51,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9158878504672897 [2022-11-20 09:30:51,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2022-11-20 09:30:51,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2022-11-20 09:30:51,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:51,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2022-11-20 09:30:51,170 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) [2022-11-20 09:30:51,173 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) [2022-11-20 09:30:51,173 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) [2022-11-20 09:30:51,173 INFO L175 Difference]: Start difference. First operand has 102 places, 103 transitions, 248 flow. Second operand 3 states and 294 transitions. [2022-11-20 09:30:51,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 113 transitions, 348 flow [2022-11-20 09:30:51,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 113 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:30:51,181 INFO L231 Difference]: Finished difference. Result has 104 places, 108 transitions, 292 flow [2022-11-20 09:30:51,182 INFO L271 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} [2022-11-20 09:30:51,182 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 5 predicate places. [2022-11-20 09:30:51,183 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 108 transitions, 292 flow [2022-11-20 09:30:51,183 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) [2022-11-20 09:30:51,183 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:51,183 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:51,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:51,184 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)] === [2022-11-20 09:30:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:51,185 INFO L85 PathProgramCache]: Analyzing trace with hash -572929362, now seen corresponding path program 1 times [2022-11-20 09:30:51,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:51,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371608691] [2022-11-20 09:30:51,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:51,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:51,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371608691] [2022-11-20 09:30:51,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371608691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:51,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:51,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:51,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532460691] [2022-11-20 09:30:51,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:51,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:51,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:51,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:51,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:51,333 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2022-11-20 09:30:51,334 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) [2022-11-20 09:30:51,334 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:51,334 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2022-11-20 09:30:51,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:51,427 INFO L130 PetriNetUnfolder]: 55/518 cut-off events. [2022-11-20 09:30:51,427 INFO L131 PetriNetUnfolder]: For 88/96 co-relation queries the response was YES. [2022-11-20 09:30:51,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 518 events. 55/518 cut-off events. For 88/96 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2650 event pairs, 12 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 730. Up to 61 conditions per place. [2022-11-20 09:30:51,431 INFO L137 encePairwiseOnDemand]: 104/107 looper letters, 8 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-11-20 09:30:51,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 111 transitions, 318 flow [2022-11-20 09:30:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2022-11-20 09:30:51,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9501557632398754 [2022-11-20 09:30:51,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 305 transitions. [2022-11-20 09:30:51,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions. [2022-11-20 09:30:51,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:51,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions. [2022-11-20 09:30:51,435 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) [2022-11-20 09:30:51,436 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) [2022-11-20 09:30:51,436 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) [2022-11-20 09:30:51,437 INFO L175 Difference]: Start difference. First operand has 104 places, 108 transitions, 292 flow. Second operand 3 states and 305 transitions. [2022-11-20 09:30:51,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 111 transitions, 318 flow [2022-11-20 09:30:51,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 111 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:30:51,441 INFO L231 Difference]: Finished difference. Result has 105 places, 109 transitions, 290 flow [2022-11-20 09:30:51,442 INFO L271 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} [2022-11-20 09:30:51,442 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2022-11-20 09:30:51,443 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 109 transitions, 290 flow [2022-11-20 09:30:51,443 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) [2022-11-20 09:30:51,443 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:51,461 INFO L209 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] [2022-11-20 09:30:51,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:30:51,462 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)] === [2022-11-20 09:30:51,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:51,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1079248566, now seen corresponding path program 1 times [2022-11-20 09:30:51,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:51,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441964935] [2022-11-20 09:30:51,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:51,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:51,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441964935] [2022-11-20 09:30:51,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441964935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:30:51,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385596862] [2022-11-20 09:30:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:51,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:30:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:51,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:30:51,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:30:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:51,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:30:51,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:51,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:30:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:51,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385596862] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:30:51,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:30:51,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-20 09:30:51,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250026066] [2022-11-20 09:30:51,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:30:51,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:30:51,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:51,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:30:51,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:30:51,884 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 107 [2022-11-20 09:30:51,885 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) [2022-11-20 09:30:51,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:51,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 107 [2022-11-20 09:30:51,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:52,089 INFO L130 PetriNetUnfolder]: 85/778 cut-off events. [2022-11-20 09:30:52,090 INFO L131 PetriNetUnfolder]: For 78/90 co-relation queries the response was YES. [2022-11-20 09:30:52,093 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 29. Compared 4635 event pairs, 20 based on Foata normal form. 10/723 useless extension candidates. Maximal degree in co-relation 1105. Up to 94 conditions per place. [2022-11-20 09:30:52,097 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 8 selfloop transitions, 9 changer transitions 0/117 dead transitions. [2022-11-20 09:30:52,100 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 117 transitions, 342 flow [2022-11-20 09:30:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:30:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-20 09:30:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 892 transitions. [2022-11-20 09:30:52,104 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9262720664589823 [2022-11-20 09:30:52,104 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 892 transitions. [2022-11-20 09:30:52,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 892 transitions. [2022-11-20 09:30:52,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:52,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 892 transitions. [2022-11-20 09:30:52,110 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) [2022-11-20 09:30:52,113 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) [2022-11-20 09:30:52,113 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) [2022-11-20 09:30:52,114 INFO L175 Difference]: Start difference. First operand has 105 places, 109 transitions, 290 flow. Second operand 9 states and 892 transitions. [2022-11-20 09:30:52,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 117 transitions, 342 flow [2022-11-20 09:30:52,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 117 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:30:52,120 INFO L231 Difference]: Finished difference. Result has 115 places, 115 transitions, 338 flow [2022-11-20 09:30:52,121 INFO L271 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} [2022-11-20 09:30:52,122 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 16 predicate places. [2022-11-20 09:30:52,123 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 115 transitions, 338 flow [2022-11-20 09:30:52,123 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) [2022-11-20 09:30:52,124 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:52,124 INFO L209 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] [2022-11-20 09:30:52,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:30:52,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:30:52,330 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)] === [2022-11-20 09:30:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 784528596, now seen corresponding path program 1 times [2022-11-20 09:30:52,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:52,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529921784] [2022-11-20 09:30:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:52,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:52,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529921784] [2022-11-20 09:30:52,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529921784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:52,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:52,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898968168] [2022-11-20 09:30:52,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:52,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:52,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:52,396 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2022-11-20 09:30:52,398 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) [2022-11-20 09:30:52,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:52,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2022-11-20 09:30:52,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:52,596 INFO L130 PetriNetUnfolder]: 224/1157 cut-off events. [2022-11-20 09:30:52,596 INFO L131 PetriNetUnfolder]: For 311/321 co-relation queries the response was YES. [2022-11-20 09:30:52,600 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 7376 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. [2022-11-20 09:30:52,604 INFO L137 encePairwiseOnDemand]: 101/107 looper letters, 28 selfloop transitions, 9 changer transitions 0/126 dead transitions. [2022-11-20 09:30:52,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 126 transitions, 456 flow [2022-11-20 09:30:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2022-11-20 09:30:52,605 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9096573208722741 [2022-11-20 09:30:52,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2022-11-20 09:30:52,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2022-11-20 09:30:52,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:52,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2022-11-20 09:30:52,607 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) [2022-11-20 09:30:52,608 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) [2022-11-20 09:30:52,608 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) [2022-11-20 09:30:52,608 INFO L175 Difference]: Start difference. First operand has 115 places, 115 transitions, 338 flow. Second operand 3 states and 292 transitions. [2022-11-20 09:30:52,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 126 transitions, 456 flow [2022-11-20 09:30:52,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 126 transitions, 450 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-11-20 09:30:52,613 INFO L231 Difference]: Finished difference. Result has 118 places, 120 transitions, 400 flow [2022-11-20 09:30:52,613 INFO L271 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} [2022-11-20 09:30:52,614 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 19 predicate places. [2022-11-20 09:30:52,614 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 120 transitions, 400 flow [2022-11-20 09:30:52,614 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) [2022-11-20 09:30:52,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:52,615 INFO L209 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] [2022-11-20 09:30:52,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:30:52,615 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)] === [2022-11-20 09:30:52,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash -237489660, now seen corresponding path program 1 times [2022-11-20 09:30:52,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:52,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386377669] [2022-11-20 09:30:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:30:52,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:30:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:30:52,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:30:52,674 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:30:52,675 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-20 09:30:52,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-20 09:30:52,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-20 09:30:52,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-20 09:30:52,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-20 09:30:52,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-20 09:30:52,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-20 09:30:52,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-20 09:30:52,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:30:52,680 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 09:30:52,687 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 09:30:52,687 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:30:52,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:52 BasicIcfg [2022-11-20 09:30:52,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:30:52,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:30:52,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:30:52,791 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:30:52,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:49" (3/4) ... [2022-11-20 09:30:52,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:30:52,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:30:52,795 INFO L158 Benchmark]: Toolchain (without parser) took 4285.38ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 49.6MB in the beginning and 156.7MB in the end (delta: -107.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:52,795 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:52,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.94ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 49.4MB in the beginning and 115.0MB in the end (delta: -65.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-20 09:30:52,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.72ms. Allocated memory is still 155.2MB. 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. [2022-11-20 09:30:52,797 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:30:52,797 INFO L158 Benchmark]: RCFGBuilder took 544.44ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 96.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:30:52,798 INFO L158 Benchmark]: TraceAbstraction took 3074.50ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 95.5MB in the beginning and 156.7MB in the end (delta: -61.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-20 09:30:52,798 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 186.6MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:52,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.94ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 49.4MB in the beginning and 115.0MB in the end (delta: -65.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.72ms. Allocated memory is still 155.2MB. 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. * Boogie Preprocessor took 31.14ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.44ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 96.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3074.50ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 95.5MB in the beginning and 156.7MB in the end (delta: -61.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 186.6MB. Free memory is still 156.7MB. 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: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 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, 0.2s SatisfiabilityAnalysisTime, 0.6s 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 proved your program to be incorrect! [2022-11-20 09:30:52,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035c5ab6-55b5-432c-80ed-d63edde4dc64/bin/uautomizer-ug76WZFUDN/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