./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:27:56,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:27:56,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:27:56,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:27:56,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:27:56,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:27:56,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:27:56,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:27:56,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:27:56,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:27:56,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:27:56,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:27:56,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:27:56,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:27:56,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:27:56,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:27:56,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:27:56,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:27:56,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:27:56,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:27:56,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:27:56,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:27:56,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:27:56,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:27:56,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:27:56,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:27:56,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:27:56,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:27:56,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:27:56,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:27:56,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:27:56,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:27:56,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:27:56,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:27:56,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:27:56,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:27:56,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:27:56,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:27:56,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:27:56,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:27:56,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:27:56,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-09 08:27:56,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:27:56,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:27:56,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:27:56,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:27:56,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:27:56,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:27:56,873 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:27:56,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:27:56,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:27:56,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:27:56,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:27:56,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:27:56,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:27:56,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:27:56,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:27:56,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:27:56,875 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-09 08:27:56,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:27:56,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:27:56,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:27:56,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:27:56,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:27:56,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:27:56,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-09 08:27:56,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:27:56,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:27:56,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:27:56,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:27:56,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:27:56,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:27:56,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:27:56,884 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:27:56,885 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-09 08:27:56,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:27:56,885 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-09 08:27:56,885 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-09 08:27:56,885 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_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 [2021-11-09 08:27:57,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:27:57,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:27:57,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:27:57,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:27:57,235 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:27:57,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2021-11-09 08:27:57,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/data/f861dbbdc/6be77e7b69e54a37961de9eb575d13ff/FLAGe29f1aca3 [2021-11-09 08:27:57,872 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:27:57,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2021-11-09 08:27:57,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/data/f861dbbdc/6be77e7b69e54a37961de9eb575d13ff/FLAGe29f1aca3 [2021-11-09 08:27:58,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/data/f861dbbdc/6be77e7b69e54a37961de9eb575d13ff [2021-11-09 08:27:58,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:27:58,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:27:58,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:27:58,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:27:58,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:27:58,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c5122f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58, skipping insertion in model container [2021-11-09 08:27:58,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:27:58,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:27:58,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:27:58,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:27:58,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:27:58,807 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:27:58,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58 WrapperNode [2021-11-09 08:27:58,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:27:58,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:27:58,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:27:58,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:27:58,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:27:58,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:27:58,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:27:58,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:27:58,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:27:58,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:27:58,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:27:58,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:27:58,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (1/1) ... [2021-11-09 08:27:58,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:27:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 [2021-11-09 08:27:58,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:27:58,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:27:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:27:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:27:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:27:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:27:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-09 08:27:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-09 08:27:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-09 08:27:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:27:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:27:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:27:59,017 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 08:27:59,404 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:27:59,404 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-09 08:27:59,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:27:59 BoogieIcfgContainer [2021-11-09 08:27:59,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:27:59,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:27:59,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:27:59,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:27:59,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:27:58" (1/3) ... [2021-11-09 08:27:59,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f5c593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:27:59, skipping insertion in model container [2021-11-09 08:27:59,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:27:58" (2/3) ... [2021-11-09 08:27:59,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f5c593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:27:59, skipping insertion in model container [2021-11-09 08:27:59,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:27:59" (3/3) ... [2021-11-09 08:27:59,449 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2021-11-09 08:27:59,456 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 08:27:59,456 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:27:59,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-09 08:27:59,456 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 08:27:59,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,516 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,517 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,536 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,537 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:27:59,554 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-09 08:27:59,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-09 08:27:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 [2021-11-09 08:27:59,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-09 08:27:59,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-09 08:27:59,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-09 08:27:59,725 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=PARTIAL_ORDER_FA, 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 08:27:59,725 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:27:59,873 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-11-09 08:27:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:27:59,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1393754101, now seen corresponding path program 1 times [2021-11-09 08:27:59,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:27:59,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638032943] [2021-11-09 08:27:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:27:59,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:28:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:28:00,112 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 08:28:00,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:28:00,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638032943] [2021-11-09 08:28:00,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638032943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:28:00,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:28:00,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:28:00,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361749214] [2021-11-09 08:28:00,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:28:00,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:28:00,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:28:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:28:00,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:28:00,139 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-09 08:28:00,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 08:28:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:28:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:28:00,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:28:00,183 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-11-09 08:28:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:28:00,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1132403266, now seen corresponding path program 1 times [2021-11-09 08:28:00,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:28:00,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876889604] [2021-11-09 08:28:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:28:00,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:28:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:28:00,229 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:28:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:28:00,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:28:00,290 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:28:00,292 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:28:00,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:28:00,302 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-09 08:28:00,303 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2021-11-09 08:28:00,308 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-09 08:28:00,308 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:28:00,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:28:00 BasicIcfg [2021-11-09 08:28:00,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:28:00,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:28:00,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:28:00,344 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:28:00,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:27:59" (3/4) ... [2021-11-09 08:28:00,349 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:28:00,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:28:00,351 INFO L168 Benchmark]: Toolchain (without parser) took 2199.21 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 54.1 MB in the beginning and 59.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-09 08:28:00,352 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 72.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:28:00,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.42 ms. Allocated memory is still 96.5 MB. Free memory was 53.9 MB in the beginning and 54.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:28:00,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.55 ms. Allocated memory is still 96.5 MB. Free memory was 54.9 MB in the beginning and 52.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:28:00,354 INFO L168 Benchmark]: Boogie Preprocessor took 26.59 ms. Allocated memory is still 96.5 MB. Free memory was 52.5 MB in the beginning and 51.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:28:00,355 INFO L168 Benchmark]: RCFGBuilder took 517.78 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 51.1 MB in the beginning and 97.7 MB in the end (delta: -46.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:28:00,355 INFO L168 Benchmark]: TraceAbstraction took 934.60 ms. Allocated memory is still 121.6 MB. Free memory was 97.1 MB in the beginning and 59.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:28:00,356 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 121.6 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:28:00,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 72.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.42 ms. Allocated memory is still 96.5 MB. Free memory was 53.9 MB in the beginning and 54.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.55 ms. Allocated memory is still 96.5 MB. Free memory was 54.9 MB in the beginning and 52.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.59 ms. Allocated memory is still 96.5 MB. Free memory was 52.5 MB in the beginning and 51.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 517.78 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 51.1 MB in the beginning and 97.7 MB in the end (delta: -46.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 934.60 ms. Allocated memory is still 121.6 MB. Free memory was 97.1 MB in the beginning and 59.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 121.6 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 287, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 287, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, positive: 237, positive conditional: 1, positive unconditional: 236, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 49, positive conditional: 1, positive unconditional: 48, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 245, unknown conditional: 2, unknown unconditional: 243] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 237, Positive conditional cache size: 1, Positive unconditional cache size: 236, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 92, Number of persistent set computation: 39, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 243, positive: 236, positive conditional: 0, positive unconditional: 236, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 11, negative conditional: 4, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 287, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 287, positive: 278, positive conditional: 42, positive unconditional: 236, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 278, positive conditional: 14, positive unconditional: 264, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, positive: 237, positive conditional: 1, positive unconditional: 236, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 49, positive conditional: 1, positive unconditional: 48, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 41, positive conditional: 13, positive unconditional: 28, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 245, unknown conditional: 2, unknown unconditional: 243] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 237, Positive conditional cache size: 1, Positive unconditional cache size: 236, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 2 - 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: 925]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L930] 0 pthread_t id; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L921] 1 return 5; VAL [mutex1={3:0}, mutex2={5:0}, myglobal=0] [L925] 1 myglobal=f() VAL [mutex1={3:0}, mutex2={5:0}, myglobal=5] [L933] 0 myglobal+1 VAL [mutex1={3:0}, mutex2={5:0}, myglobal=5] [L925] 1 myglobal=f() VAL [mutex1={3:0}, mutex2={5:0}, myglobal=5] Now there is a data race on ~myglobal~0 between C: myglobal+1 [933] and C: myglobal=f() [925] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 89 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: Toolchain returned no result. [2021-11-09 08:28:00,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-09 08:28:00,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b70ebae-a599-4fd5-a6ea-79035cb11da1/bin/ugemcutter-sTCyEAgtpa/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