./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX --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 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:09:02,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:09:02,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:09:02,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:09:02,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:09:02,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:09:02,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:09:02,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:09:02,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:09:02,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:09:02,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:09:02,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:09:02,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:09:02,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:09:02,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:09:02,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:09:02,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:09:02,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:09:02,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:09:02,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:09:02,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:09:02,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:09:02,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:09:02,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:09:02,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:09:02,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:09:02,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:09:02,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:09:02,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:09:02,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:09:02,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:09:02,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:09:02,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:09:02,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:09:02,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:09:02,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:09:02,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:09:02,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:09:02,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:09:02,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:09:02,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:09:02,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-09 09:09:02,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:09:02,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:09:02,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:09:02,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:09:02,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:09:02,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:09:02,869 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:09:02,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:09:02,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:09:02,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:09:02,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:09:02,871 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-09 09:09:02,871 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:09:02,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:09:02,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:09:02,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:09:02,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:09:02,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:09:02,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:09:02,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:02,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:09:02,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:09:02,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:09:02,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:09:02,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:09:02,874 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:09:02,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:09:02,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:09:02,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:09:02,874 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_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe [2021-11-09 09:09:03,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:03,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:03,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:03,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:03,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:03,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-11-09 09:09:03,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/data/28be80859/aa40b2f8e3f64585afb55144d6b6669f/FLAG347d774b5 [2021-11-09 09:09:03,879 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:03,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-11-09 09:09:03,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/data/28be80859/aa40b2f8e3f64585afb55144d6b6669f/FLAG347d774b5 [2021-11-09 09:09:04,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/data/28be80859/aa40b2f8e3f64585afb55144d6b6669f [2021-11-09 09:09:04,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:04,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:09:04,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:04,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:04,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:04,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6d692c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04, skipping insertion in model container [2021-11-09 09:09:04,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:04,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:04,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:04,727 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:09:04,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:04,833 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:09:04,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04 WrapperNode [2021-11-09 09:09:04,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:04,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:04,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:09:04,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:09:04,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:04,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:09:04,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:09:04,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:09:04,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:09:04,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:09:04,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:09:04,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:09:04,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (1/1) ... [2021-11-09 09:09:04,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:09:04,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:09:04,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:09:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:09:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:09:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:09:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-09 09:09:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-09 09:09:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:09:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:09:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:09:05,003 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 09:09:05,354 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:09:05,354 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-09 09:09:05,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:05 BoogieIcfgContainer [2021-11-09 09:09:05,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:09:05,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:09:05,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:09:05,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:09:05,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:09:04" (1/3) ... [2021-11-09 09:09:05,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e24e195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:05, skipping insertion in model container [2021-11-09 09:09:05,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:04" (2/3) ... [2021-11-09 09:09:05,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e24e195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:05, skipping insertion in model container [2021-11-09 09:09:05,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:05" (3/3) ... [2021-11-09 09:09:05,376 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2021-11-09 09:09:05,382 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 09:09:05,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:09:05,383 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-09 09:09:05,383 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 09:09:05,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,437 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,438 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,439 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:09:05,464 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-09 09:09:05,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:09:05,521 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:09:05,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-09 09:09:05,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 129 flow [2021-11-09 09:09:05,567 INFO L129 PetriNetUnfolder]: 1/61 cut-off events. [2021-11-09 09:09:05,567 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:09:05,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2021-11-09 09:09:05,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 62 transitions, 129 flow [2021-11-09 09:09:05,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2021-11-09 09:09:05,583 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-11-09 09:09:05,584 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:09:05,584 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:09:05,585 INFO L254 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] [2021-11-09 09:09:05,585 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-09 09:09:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:05,591 INFO L85 PathProgramCache]: Analyzing trace with hash 924495230, now seen corresponding path program 1 times [2021-11-09 09:09:05,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:05,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633048365] [2021-11-09 09:09:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:05,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:05,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633048365] [2021-11-09 09:09:05,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633048365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:05,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:05,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:09:05,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724099925] [2021-11-09 09:09:05,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:09:05,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:05,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:09:05,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:09:05,840 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 62 [2021-11-09 09:09:05,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2021-11-09 09:09:05,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:09:05,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 62 [2021-11-09 09:09:05,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:09:05,905 INFO L129 PetriNetUnfolder]: 13/161 cut-off events. [2021-11-09 09:09:05,905 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:09:05,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 161 events. 13/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 681 event pairs, 2 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 169. Up to 15 conditions per place. [2021-11-09 09:09:05,909 INFO L132 encePairwiseOnDemand]: 58/62 looper letters, 7 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2021-11-09 09:09:05,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 153 flow [2021-11-09 09:09:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:09:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 09:09:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2021-11-09 09:09:05,923 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9623655913978495 [2021-11-09 09:09:05,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 179 transitions. [2021-11-09 09:09:05,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 179 transitions. [2021-11-09 09:09:05,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:09:05,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 179 transitions. [2021-11-09 09:09:05,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2021-11-09 09:09:05,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-11-09 09:09:05,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-11-09 09:09:05,939 INFO L186 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 179 transitions. [2021-11-09 09:09:05,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 153 flow [2021-11-09 09:09:05,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 65 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 09:09:05,947 INFO L242 Difference]: Finished difference. Result has 67 places, 63 transitions, 146 flow [2021-11-09 09:09:05,949 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2021-11-09 09:09:05,950 INFO L334 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2021-11-09 09:09:05,950 INFO L470 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 146 flow [2021-11-09 09:09:05,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2021-11-09 09:09:05,951 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:09:05,951 INFO L254 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] [2021-11-09 09:09:05,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:09:05,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-09 09:09:05,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1672608834, now seen corresponding path program 1 times [2021-11-09 09:09:05,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:05,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208395314] [2021-11-09 09:09:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:05,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:06,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:06,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208395314] [2021-11-09 09:09:06,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208395314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:06,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:06,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:09:06,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703535011] [2021-11-09 09:09:06,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:09:06,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:06,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:09:06,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:09:06,060 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 62 [2021-11-09 09:09:06,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-11-09 09:09:06,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:09:06,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 62 [2021-11-09 09:09:06,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:09:06,135 INFO L129 PetriNetUnfolder]: 20/235 cut-off events. [2021-11-09 09:09:06,136 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-11-09 09:09:06,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 235 events. 20/235 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1266 event pairs, 5 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 286. Up to 28 conditions per place. [2021-11-09 09:09:06,139 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 12 selfloop transitions, 5 changer transitions 0/69 dead transitions. [2021-11-09 09:09:06,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 204 flow [2021-11-09 09:09:06,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:09:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 09:09:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2021-11-09 09:09:06,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2021-11-09 09:09:06,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 174 transitions. [2021-11-09 09:09:06,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 174 transitions. [2021-11-09 09:09:06,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:09:06,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 174 transitions. [2021-11-09 09:09:06,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2021-11-09 09:09:06,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-11-09 09:09:06,148 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2021-11-09 09:09:06,148 INFO L186 Difference]: Start difference. First operand has 67 places, 63 transitions, 146 flow. Second operand 3 states and 174 transitions. [2021-11-09 09:09:06,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 204 flow [2021-11-09 09:09:06,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 69 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 09:09:06,152 INFO L242 Difference]: Finished difference. Result has 69 places, 66 transitions, 176 flow [2021-11-09 09:09:06,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2021-11-09 09:09:06,153 INFO L334 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2021-11-09 09:09:06,153 INFO L470 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 176 flow [2021-11-09 09:09:06,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-11-09 09:09:06,154 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:09:06,154 INFO L254 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] [2021-11-09 09:09:06,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:09:06,155 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-11-09 09:09:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1060879211, now seen corresponding path program 1 times [2021-11-09 09:09:06,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:06,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742100498] [2021-11-09 09:09:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:06,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:09:06,203 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:09:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:09:06,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:09:06,277 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 09:09:06,278 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-09 09:09:06,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 09:09:06,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:09:06,289 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-09 09:09:06,298 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-09 09:09:06,298 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:09:06,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:09:06 BasicIcfg [2021-11-09 09:09:06,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:09:06,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:09:06,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:09:06,336 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:09:06,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:05" (3/4) ... [2021-11-09 09:09:06,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:09:06,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:09:06,342 INFO L168 Benchmark]: Toolchain (without parser) took 2218.06 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.6 MB in the beginning and 49.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:06,342 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:06,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.58 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.4 MB in the beginning and 54.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:06,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.26 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 51.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:06,344 INFO L168 Benchmark]: Boogie Preprocessor took 25.39 ms. Allocated memory is still 94.4 MB. Free memory was 51.8 MB in the beginning and 50.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:06,345 INFO L168 Benchmark]: RCFGBuilder took 451.29 ms. Allocated memory is still 94.4 MB. Free memory was 50.5 MB in the beginning and 39.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:06,345 INFO L168 Benchmark]: TraceAbstraction took 969.54 ms. Allocated memory is still 94.4 MB. Free memory was 39.3 MB in the beginning and 50.4 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:06,346 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 94.4 MB. Free memory was 50.4 MB in the beginning and 49.8 MB in the end (delta: 546.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:06,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 710.58 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.4 MB in the beginning and 54.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.26 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 51.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.39 ms. Allocated memory is still 94.4 MB. Free memory was 51.8 MB in the beginning and 50.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 451.29 ms. Allocated memory is still 94.4 MB. Free memory was 50.5 MB in the beginning and 39.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 969.54 ms. Allocated memory is still 94.4 MB. Free memory was 39.3 MB in the beginning and 50.4 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.02 ms. Allocated memory is still 94.4 MB. Free memory was 50.4 MB in the beginning and 49.8 MB in the end (delta: 546.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L926] 0 pthread_t id; VAL [={-1:0}, global=0] [L927] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0] [L928] 0 f = bad VAL [={-1:2}, global=0] [L928] 0 f = bad VAL [={-1:2}, global=0] [L922] 1 f() VAL [={-1:2}, global=0] Now there is a data race on ~f~0 between C: f = bad [928] and C: f() [922] - UnprovableResult [Line: 928]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: 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: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: 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, 86 locations, 9 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-09 09:09:06,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983c12d0-2f1f-448b-8fa0-a6d34fe58c75/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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