./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ --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 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 --- 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-dbf71c6-m [2022-10-17 11:00:16,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:00:16,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:00:16,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:00:16,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:00:16,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:00:16,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:00:16,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:00:16,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:00:16,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:00:16,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:00:16,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:00:16,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:00:16,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:00:16,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:00:16,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:00:16,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:00:16,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:00:16,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:00:16,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:00:16,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:00:16,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:00:16,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:00:16,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:00:16,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:00:16,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:00:16,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:00:16,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:00:16,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:00:16,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:00:16,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:00:16,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:00:16,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:00:16,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:00:16,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:00:16,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:00:16,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:00:16,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:00:16,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:00:16,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:00:16,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:00:16,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 11:00:17,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:00:17,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:00:17,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:00:17,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:00:17,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:00:17,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:00:17,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:00:17,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:00:17,028 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:00:17,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:00:17,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:00:17,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:00:17,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:00:17,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:00:17,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:00:17,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:00:17,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:00:17,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:00:17,031 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 11:00:17,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:00:17,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:00:17,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:00:17,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:00:17,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:00:17,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:00:17,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:00:17,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:00:17,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:00:17,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:00:17,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:00:17,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:00:17,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:00:17,040 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:00:17,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:00:17,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:00:17,040 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_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 [2022-10-17 11:00:17,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:00:17,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:00:17,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:00:17,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:00:17,311 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:00:17,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-10-17 11:00:17,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/data/d0dafc0e0/2ce4698c166a4dc59e28897647fd8ce3/FLAGa524c9dc1 [2022-10-17 11:00:17,950 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:00:17,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-10-17 11:00:17,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/data/d0dafc0e0/2ce4698c166a4dc59e28897647fd8ce3/FLAGa524c9dc1 [2022-10-17 11:00:18,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/data/d0dafc0e0/2ce4698c166a4dc59e28897647fd8ce3 [2022-10-17 11:00:18,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:00:18,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:00:18,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:00:18,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:00:18,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:00:18,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:18,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf0a9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18, skipping insertion in model container [2022-10-17 11:00:18,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:18,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:00:18,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:00:18,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:00:18,810 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:00:18,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:00:18,916 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:00:18,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18 WrapperNode [2022-10-17 11:00:18,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:00:18,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:00:18,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:00:18,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:00:18,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:18,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:18,997 INFO L138 Inliner]: procedures = 262, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 11:00:18,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:00:18,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:00:18,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:00:18,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:00:19,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,039 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:00:19,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:00:19,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:00:19,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:00:19,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (1/1) ... [2022-10-17 11:00:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:00:19,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:00:19,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:00:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:00:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:00:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:00:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 11:00:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:00:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 11:00:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:00:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 11:00:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 11:00:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:00:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:00:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:00:19,123 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 11:00:19,266 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:00:19,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:00:19,515 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:00:19,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:00:19,522 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 11:00:19,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:00:19 BoogieIcfgContainer [2022-10-17 11:00:19,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:00:19,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:00:19,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:00:19,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:00:19,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:00:18" (1/3) ... [2022-10-17 11:00:19,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f36e94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:00:19, skipping insertion in model container [2022-10-17 11:00:19,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:00:18" (2/3) ... [2022-10-17 11:00:19,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f36e94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:00:19, skipping insertion in model container [2022-10-17 11:00:19,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:00:19" (3/3) ... [2022-10-17 11:00:19,534 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2022-10-17 11:00:19,543 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 11:00:19,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:00:19,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-17 11:00:19,553 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 11:00:19,609 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 11:00:19,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 84 transitions, 176 flow [2022-10-17 11:00:19,705 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-10-17 11:00:19,705 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:00:19,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 83 events. 2/83 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2022-10-17 11:00:19,709 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 84 transitions, 176 flow [2022-10-17 11:00:19,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 76 transitions, 158 flow [2022-10-17 11:00:19,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:00:19,731 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;@5ed7a0ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:00:19,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-10-17 11:00:19,744 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-10-17 11:00:19,745 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:00:19,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:00:19,746 INFO L208 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] [2022-10-17 11:00:19,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-10-17 11:00:19,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:19,753 INFO L85 PathProgramCache]: Analyzing trace with hash 444600763, now seen corresponding path program 1 times [2022-10-17 11:00:19,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:19,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367721841] [2022-10-17 11:00:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:00:20,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367721841] [2022-10-17 11:00:20,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367721841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:20,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:00:20,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:00:20,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424482559] [2022-10-17 11:00:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:20,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:00:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:20,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:00:20,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:00:20,136 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2022-10-17 11:00:20,146 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-17 11:00:20,146 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:00:20,146 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2022-10-17 11:00:20,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:00:20,274 INFO L130 PetriNetUnfolder]: 41/223 cut-off events. [2022-10-17 11:00:20,274 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:00:20,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 223 events. 41/223 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 868 event pairs, 15 based on Foata normal form. 12/204 useless extension candidates. Maximal degree in co-relation 283. Up to 54 conditions per place. [2022-10-17 11:00:20,279 INFO L137 encePairwiseOnDemand]: 74/84 looper letters, 17 selfloop transitions, 6 changer transitions 0/77 dead transitions. [2022-10-17 11:00:20,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 77 transitions, 203 flow [2022-10-17 11:00:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:00:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:00:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2022-10-17 11:00:20,293 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-10-17 11:00:20,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 224 transitions. [2022-10-17 11:00:20,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 224 transitions. [2022-10-17 11:00:20,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:00:20,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 224 transitions. [2022-10-17 11:00:20,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2022-10-17 11:00:20,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,307 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,309 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 158 flow. Second operand 3 states and 224 transitions. [2022-10-17 11:00:20,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 77 transitions, 203 flow [2022-10-17 11:00:20,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 77 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:00:20,316 INFO L231 Difference]: Finished difference. Result has 73 places, 73 transitions, 188 flow [2022-10-17 11:00:20,319 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=73, PETRI_TRANSITIONS=73} [2022-10-17 11:00:20,322 INFO L287 CegarLoopForPetriNet]: 78 programPoint places, -5 predicate places. [2022-10-17 11:00:20,322 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 73 transitions, 188 flow [2022-10-17 11:00:20,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-17 11:00:20,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:00:20,323 INFO L208 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] [2022-10-17 11:00:20,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:00:20,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-10-17 11:00:20,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash -725693058, now seen corresponding path program 1 times [2022-10-17 11:00:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:20,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545163503] [2022-10-17 11:00:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:20,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:00:20,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:20,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545163503] [2022-10-17 11:00:20,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545163503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:20,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:00:20,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:00:20,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571798241] [2022-10-17 11:00:20,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:20,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:00:20,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:00:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:00:20,426 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 84 [2022-10-17 11:00:20,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 73 transitions, 188 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) [2022-10-17 11:00:20,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:00:20,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 84 [2022-10-17 11:00:20,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:00:20,545 INFO L130 PetriNetUnfolder]: 60/298 cut-off events. [2022-10-17 11:00:20,545 INFO L131 PetriNetUnfolder]: For 84/86 co-relation queries the response was YES. [2022-10-17 11:00:20,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 298 events. 60/298 cut-off events. For 84/86 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1412 event pairs, 23 based on Foata normal form. 2/270 useless extension candidates. Maximal degree in co-relation 491. Up to 102 conditions per place. [2022-10-17 11:00:20,557 INFO L137 encePairwiseOnDemand]: 78/84 looper letters, 24 selfloop transitions, 7 changer transitions 0/83 dead transitions. [2022-10-17 11:00:20,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 83 transitions, 288 flow [2022-10-17 11:00:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:00:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:00:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2022-10-17 11:00:20,564 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2022-10-17 11:00:20,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 213 transitions. [2022-10-17 11:00:20,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 213 transitions. [2022-10-17 11:00:20,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:00:20,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 213 transitions. [2022-10-17 11:00:20,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-10-17 11:00:20,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,568 INFO L175 Difference]: Start difference. First operand has 73 places, 73 transitions, 188 flow. Second operand 3 states and 213 transitions. [2022-10-17 11:00:20,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 83 transitions, 288 flow [2022-10-17 11:00:20,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 83 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 11:00:20,573 INFO L231 Difference]: Finished difference. Result has 75 places, 78 transitions, 232 flow [2022-10-17 11:00:20,573 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2022-10-17 11:00:20,574 INFO L287 CegarLoopForPetriNet]: 78 programPoint places, -3 predicate places. [2022-10-17 11:00:20,574 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 232 flow [2022-10-17 11:00:20,577 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) [2022-10-17 11:00:20,577 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:00:20,577 INFO L208 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] [2022-10-17 11:00:20,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 11:00:20,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-10-17 11:00:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1256221422, now seen corresponding path program 1 times [2022-10-17 11:00:20,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:20,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239171320] [2022-10-17 11:00:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:00:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:00:20,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:00:20,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239171320] [2022-10-17 11:00:20,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239171320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:00:20,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:00:20,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:00:20,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567053700] [2022-10-17 11:00:20,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:00:20,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:00:20,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:00:20,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:00:20,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:00:20,740 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 84 [2022-10-17 11:00:20,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-17 11:00:20,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:00:20,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 84 [2022-10-17 11:00:20,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:00:20,840 INFO L130 PetriNetUnfolder]: 64/280 cut-off events. [2022-10-17 11:00:20,840 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-10-17 11:00:20,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 280 events. 64/280 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1265 event pairs, 17 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 552. Up to 101 conditions per place. [2022-10-17 11:00:20,844 INFO L137 encePairwiseOnDemand]: 78/84 looper letters, 28 selfloop transitions, 9 changer transitions 0/89 dead transitions. [2022-10-17 11:00:20,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 89 transitions, 356 flow [2022-10-17 11:00:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:00:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:00:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-10-17 11:00:20,847 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8373015873015873 [2022-10-17 11:00:20,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2022-10-17 11:00:20,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2022-10-17 11:00:20,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:00:20,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2022-10-17 11:00:20,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2022-10-17 11:00:20,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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) [2022-10-17 11:00:20,855 INFO L175 Difference]: Start difference. First operand has 75 places, 78 transitions, 232 flow. Second operand 3 states and 211 transitions. [2022-10-17 11:00:20,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 89 transitions, 356 flow [2022-10-17 11:00:20,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 89 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 11:00:20,865 INFO L231 Difference]: Finished difference. Result has 77 places, 83 transitions, 286 flow [2022-10-17 11:00:20,865 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=77, PETRI_TRANSITIONS=83} [2022-10-17 11:00:20,868 INFO L287 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2022-10-17 11:00:20,868 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 83 transitions, 286 flow [2022-10-17 11:00:20,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-17 11:00:20,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:00:20,869 INFO L208 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] [2022-10-17 11:00:20,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 11:00:20,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-10-17 11:00:20,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:00:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1679332875, now seen corresponding path program 1 times [2022-10-17 11:00:20,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:00:20,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653267712] [2022-10-17 11:00:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:00:20,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:00:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:00:20,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:00:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:00:21,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:00:21,011 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 11:00:21,012 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-10-17 11:00:21,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-10-17 11:00:21,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-10-17 11:00:21,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-10-17 11:00:21,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-10-17 11:00:21,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-10-17 11:00:21,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-10-17 11:00:21,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-10-17 11:00:21,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-10-17 11:00:21,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 11:00:21,023 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-17 11:00:21,037 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 11:00:21,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 11:00:21,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 11:00:21 BasicIcfg [2022-10-17 11:00:21,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 11:00:21,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 11:00:21,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 11:00:21,108 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 11:00:21,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:00:19" (3/4) ... [2022-10-17 11:00:21,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 11:00:21,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 11:00:21,112 INFO L158 Benchmark]: Toolchain (without parser) took 2880.17ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 54.9MB in the end (delta: -7.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,113 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:00:21,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.84ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.84ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 43.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,114 INFO L158 Benchmark]: Boogie Preprocessor took 51.25ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 41.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,115 INFO L158 Benchmark]: RCFGBuilder took 473.90ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 41.9MB in the beginning and 76.6MB in the end (delta: -34.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,116 INFO L158 Benchmark]: TraceAbstraction took 1579.48ms. Allocated memory is still 107.0MB. Free memory was 76.1MB in the beginning and 55.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-10-17 11:00:21,116 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 54.9MB in the end (delta: 675.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:00:21,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.84ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.84ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 43.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.25ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 41.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.90ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 41.9MB in the beginning and 76.6MB in the end (delta: -34.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1579.48ms. Allocated memory is still 107.0MB. Free memory was 76.1MB in the beginning and 55.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 54.9MB in the end (delta: 675.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 931]: 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={4:0}, myglobal=0] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L922] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L931] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] [L931] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [922] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 103 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, 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, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 41 mSDtfsCounter, 59 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=286occurred 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, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 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 could not prove your program: unable to determine feasibility of some traces [2022-10-17 11:00:21,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c6f11a-5ad8-4b77-b5ec-7fe689faba36/bin/uautomizer-J5u9QxTXDZ/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