./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:17:34,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:17:34,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:17:34,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:17:34,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:17:34,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:17:34,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:17:34,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:17:34,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:17:34,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:17:34,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:17:34,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:17:34,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:17:34,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:17:34,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:17:34,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:17:34,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:17:34,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:17:34,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:17:34,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:17:34,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:17:34,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:17:34,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:17:34,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:17:34,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:17:34,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:17:34,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:17:34,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:17:34,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:17:34,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:17:34,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:17:34,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:17:34,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:17:34,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:17:34,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:17:34,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:17:34,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:17:34,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:17:34,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:17:34,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:17:34,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:17:34,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:17:34,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:17:34,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:17:34,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:17:34,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:17:34,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:17:34,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:17:34,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:17:34,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:17:34,886 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:17:34,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:17:34,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:17:34,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:17:34,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:17:34,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:17:34,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:17:34,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:17:34,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:17:34,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:17:34,889 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:17:34,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:17:34,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:17:34,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:17:34,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:17:34,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:17:34,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:17:34,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:17:34,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:34,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:17:34,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:17:34,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:17:34,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:17:34,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:17:34,893 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:17:34,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:17:34,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:17:34,893 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_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d40f5324e9f741708351e6e516a0eeed6b2146f21cbab903e28bb6f6f31acc5 [2022-11-20 11:17:35,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:17:35,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:17:35,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:17:35,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:17:35,288 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:17:35,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2022-11-20 11:17:38,513 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:17:38,822 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:17:38,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/sv-benchmarks/c/goblint-regression/03-practical_15-exit_problems.i [2022-11-20 11:17:38,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/data/9f4dfc4d4/193941ae1f5540769ff516c903255667/FLAGde5cb55de [2022-11-20 11:17:38,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/data/9f4dfc4d4/193941ae1f5540769ff516c903255667 [2022-11-20 11:17:38,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:17:38,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:17:38,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:38,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:17:38,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:17:38,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:38" (1/1) ... [2022-11-20 11:17:38,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f55e354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:38, skipping insertion in model container [2022-11-20 11:17:38,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:38" (1/1) ... [2022-11-20 11:17:38,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:17:38,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:17:39,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:39,601 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:17:39,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:39,760 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:17:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39 WrapperNode [2022-11-20 11:17:39,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:39,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:39,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:17:39,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:17:39,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,840 INFO L138 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-11-20 11:17:39,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:39,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:17:39,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:17:39,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:17:39,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:17:39,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:17:39,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:17:39,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:17:39,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (1/1) ... [2022-11-20 11:17:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:17:39,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:17:39,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:17:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:17:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:17:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:17:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 11:17:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:17:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 11:17:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 11:17:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:17:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:17:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:17:39,986 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:17:40,146 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:17:40,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:17:40,388 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:17:40,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:17:40,396 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:17:40,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:17:40 BoogieIcfgContainer [2022-11-20 11:17:40,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:17:40,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:17:40,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:17:40,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:17:40,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:17:38" (1/3) ... [2022-11-20 11:17:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68159fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:17:40, skipping insertion in model container [2022-11-20 11:17:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:39" (2/3) ... [2022-11-20 11:17:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68159fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:17:40, skipping insertion in model container [2022-11-20 11:17:40,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:17:40" (3/3) ... [2022-11-20 11:17:40,408 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-11-20 11:17:40,418 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:17:40,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:17:40,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-20 11:17:40,431 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:17:40,492 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 11:17:40,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 171 flow [2022-11-20 11:17:40,599 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-11-20 11:17:40,600 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:17:40,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-20 11:17:40,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 83 transitions, 171 flow [2022-11-20 11:17:40,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 82 transitions, 167 flow [2022-11-20 11:17:40,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:17:40,628 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e9e9942, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:17:40,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 11:17:40,641 INFO L130 PetriNetUnfolder]: 1/39 cut-off events. [2022-11-20 11:17:40,641 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:17:40,642 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:17:40,642 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:17:40,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 11:17:40,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:17:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash -956776958, now seen corresponding path program 1 times [2022-11-20 11:17:40,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:17:40,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254572749] [2022-11-20 11:17:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:17:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:17:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:17:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:17:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:17:40,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254572749] [2022-11-20 11:17:40,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254572749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:17:40,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:17:40,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:17:40,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919731946] [2022-11-20 11:17:40,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:17:40,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:17:40,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:17:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:17:41,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:17:41,046 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 83 [2022-11-20 11:17:41,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:17:41,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 83 [2022-11-20 11:17:41,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:17:41,158 INFO L130 PetriNetUnfolder]: 37/196 cut-off events. [2022-11-20 11:17:41,158 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 11:17:41,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 196 events. 37/196 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 740 event pairs, 12 based on Foata normal form. 14/183 useless extension candidates. Maximal degree in co-relation 258. Up to 54 conditions per place. [2022-11-20 11:17:41,162 INFO L137 encePairwiseOnDemand]: 72/83 looper letters, 17 selfloop transitions, 6 changer transitions 0/76 dead transitions. [2022-11-20 11:17:41,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 76 transitions, 201 flow [2022-11-20 11:17:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:17:41,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:17:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2022-11-20 11:17:41,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2022-11-20 11:17:41,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2022-11-20 11:17:41,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2022-11-20 11:17:41,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:17:41,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2022-11-20 11:17:41,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,192 INFO L175 Difference]: Start difference. First operand has 84 places, 82 transitions, 167 flow. Second operand 3 states and 223 transitions. [2022-11-20 11:17:41,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 76 transitions, 201 flow [2022-11-20 11:17:41,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 76 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:17:41,199 INFO L231 Difference]: Finished difference. Result has 73 places, 72 transitions, 186 flow [2022-11-20 11:17:41,201 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=73, PETRI_TRANSITIONS=72} [2022-11-20 11:17:41,205 INFO L288 CegarLoopForPetriNet]: 84 programPoint places, -11 predicate places. [2022-11-20 11:17:41,206 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 72 transitions, 186 flow [2022-11-20 11:17:41,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,206 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:17:41,207 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:17:41,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:17:41,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 11:17:41,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:17:41,208 INFO L85 PathProgramCache]: Analyzing trace with hash 474430293, now seen corresponding path program 1 times [2022-11-20 11:17:41,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:17:41,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260750753] [2022-11-20 11:17:41,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:17:41,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:17:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:17:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:17:41,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:17:41,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260750753] [2022-11-20 11:17:41,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260750753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:17:41,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:17:41,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:17:41,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507011701] [2022-11-20 11:17:41,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:17:41,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:17:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:17:41,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:17:41,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:17:41,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 83 [2022-11-20 11:17:41,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 72 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:17:41,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 83 [2022-11-20 11:17:41,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:17:41,409 INFO L130 PetriNetUnfolder]: 55/262 cut-off events. [2022-11-20 11:17:41,409 INFO L131 PetriNetUnfolder]: For 91/111 co-relation queries the response was YES. [2022-11-20 11:17:41,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 262 events. 55/262 cut-off events. For 91/111 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1193 event pairs, 25 based on Foata normal form. 3/238 useless extension candidates. Maximal degree in co-relation 457. Up to 102 conditions per place. [2022-11-20 11:17:41,412 INFO L137 encePairwiseOnDemand]: 77/83 looper letters, 23 selfloop transitions, 7 changer transitions 1/82 dead transitions. [2022-11-20 11:17:41,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 82 transitions, 286 flow [2022-11-20 11:17:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:17:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:17:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2022-11-20 11:17:41,415 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8433734939759037 [2022-11-20 11:17:41,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 210 transitions. [2022-11-20 11:17:41,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 210 transitions. [2022-11-20 11:17:41,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:17:41,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 210 transitions. [2022-11-20 11:17:41,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,420 INFO L175 Difference]: Start difference. First operand has 73 places, 72 transitions, 186 flow. Second operand 3 states and 210 transitions. [2022-11-20 11:17:41,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 82 transitions, 286 flow [2022-11-20 11:17:41,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 82 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:17:41,425 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 230 flow [2022-11-20 11:17:41,425 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2022-11-20 11:17:41,426 INFO L288 CegarLoopForPetriNet]: 84 programPoint places, -9 predicate places. [2022-11-20 11:17:41,427 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 230 flow [2022-11-20 11:17:41,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,427 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:17:41,427 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:17:41,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:17:41,428 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 11:17:41,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:17:41,429 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-11-20 11:17:41,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:17:41,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356587065] [2022-11-20 11:17:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:17:41,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:17:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:17:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:17:41,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:17:41,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356587065] [2022-11-20 11:17:41,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356587065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:17:41,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:17:41,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:17:41,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051759368] [2022-11-20 11:17:41,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:17:41,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:17:41,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:17:41,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:17:41,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:17:41,567 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2022-11-20 11:17:41,568 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,568 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:17:41,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2022-11-20 11:17:41,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:17:41,687 INFO L130 PetriNetUnfolder]: 61/280 cut-off events. [2022-11-20 11:17:41,687 INFO L131 PetriNetUnfolder]: For 154/156 co-relation queries the response was YES. [2022-11-20 11:17:41,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 280 events. 61/280 cut-off events. For 154/156 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1268 event pairs, 21 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 569. Up to 109 conditions per place. [2022-11-20 11:17:41,696 INFO L137 encePairwiseOnDemand]: 77/83 looper letters, 21 selfloop transitions, 7 changer transitions 10/88 dead transitions. [2022-11-20 11:17:41,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 88 transitions, 354 flow [2022-11-20 11:17:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:17:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:17:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2022-11-20 11:17:41,704 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8353413654618473 [2022-11-20 11:17:41,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 208 transitions. [2022-11-20 11:17:41,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 208 transitions. [2022-11-20 11:17:41,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:17:41,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 208 transitions. [2022-11-20 11:17:41,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,715 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 230 flow. Second operand 3 states and 208 transitions. [2022-11-20 11:17:41,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 88 transitions, 354 flow [2022-11-20 11:17:41,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 88 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:17:41,723 INFO L231 Difference]: Finished difference. Result has 77 places, 76 transitions, 248 flow [2022-11-20 11:17:41,723 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=77, PETRI_TRANSITIONS=76} [2022-11-20 11:17:41,728 INFO L288 CegarLoopForPetriNet]: 84 programPoint places, -7 predicate places. [2022-11-20 11:17:41,728 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 76 transitions, 248 flow [2022-11-20 11:17:41,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:17:41,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:17:41,730 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:17:41,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:17:41,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-20 11:17:41,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:17:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash -33623674, now seen corresponding path program 1 times [2022-11-20 11:17:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:17:41,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505880234] [2022-11-20 11:17:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:17:41,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:17:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:17:41,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:17:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:17:41,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:17:41,881 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:17:41,883 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-20 11:17:41,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-20 11:17:41,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-20 11:17:41,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-20 11:17:41,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-20 11:17:41,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-20 11:17:41,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-20 11:17:41,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-20 11:17:41,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:17:41,896 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 11:17:41,905 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:17:41,905 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:17:41,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:17:41 BasicIcfg [2022-11-20 11:17:41,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:17:41,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:17:41,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:17:41,953 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:17:41,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:17:40" (3/4) ... [2022-11-20 11:17:41,957 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:17:41,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:17:41,958 INFO L158 Benchmark]: Toolchain (without parser) took 3087.08ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 107.1MB in the beginning and 157.8MB in the end (delta: -50.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-20 11:17:41,959 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:17:41,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.02ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 79.7MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:17:41,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.67ms. Allocated memory is still 153.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:17:41,960 INFO L158 Benchmark]: Boogie Preprocessor took 44.38ms. Allocated memory is still 153.1MB. Free memory was 77.6MB in the beginning and 75.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:17:41,961 INFO L158 Benchmark]: RCFGBuilder took 511.86ms. Allocated memory is still 153.1MB. Free memory was 75.9MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:17:41,961 INFO L158 Benchmark]: TraceAbstraction took 1550.80ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 62.0MB in the beginning and 157.8MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:17:41,962 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 205.5MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:17:41,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.02ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 79.7MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.67ms. Allocated memory is still 153.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.38ms. Allocated memory is still 153.1MB. Free memory was 77.6MB in the beginning and 75.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.86ms. Allocated memory is still 153.1MB. Free memory was 75.9MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1550.80ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 62.0MB in the beginning and 157.8MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 205.5MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L936] COND TRUE 0 1 VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [929] and C: glob++ [923] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 929]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 39 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 11:17:42,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da02ee1-5348-46a5-b75a-43293367564e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE