./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS --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 f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 --- 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-4e7fbc6 [2022-11-23 03:25:17,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:25:17,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:25:17,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:25:17,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:25:17,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:25:17,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:25:17,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:25:17,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:25:17,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:25:17,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:25:17,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:25:17,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:25:17,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:25:17,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:25:17,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:25:17,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:25:17,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:25:17,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:25:17,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:25:17,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:25:17,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:25:17,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:25:17,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:25:17,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:25:17,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:25:17,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:25:17,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:25:17,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:25:17,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:25:17,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:25:17,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:25:17,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:25:17,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:25:17,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:25:17,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:25:17,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:25:17,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:25:17,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:25:17,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:25:18,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:25:18,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:25:18,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:25:18,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:25:18,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:25:18,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:25:18,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:25:18,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:25:18,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:25:18,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:25:18,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:25:18,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:25:18,036 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:25:18,036 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:25:18,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:25:18,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:25:18,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:25:18,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:25:18,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:25:18,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:25:18,038 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:25:18,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:25:18,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:25:18,040 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:25:18,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:25:18,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:25:18,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:25:18,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:25:18,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:25:18,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:25:18,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:25:18,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:25:18,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:25:18,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:25:18,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:25:18,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:25:18,045 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:25:18,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:25:18,045 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 [2022-11-23 03:25:18,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:25:18,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:25:18,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:25:18,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:25:18,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:25:18,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-11-23 03:25:21,753 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:25:22,186 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:25:22,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-11-23 03:25:22,201 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/data/dbef3c017/ee850fbda1fb4542a6a25998d0ad4003/FLAGdd4d26180 [2022-11-23 03:25:22,220 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/data/dbef3c017/ee850fbda1fb4542a6a25998d0ad4003 [2022-11-23 03:25:22,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:25:22,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:25:22,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:25:22,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:25:22,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:25:22,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:22" (1/1) ... [2022-11-23 03:25:22,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab93613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:22, skipping insertion in model container [2022-11-23 03:25:22,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:22" (1/1) ... [2022-11-23 03:25:22,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:25:22,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:25:22,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:25:23,013 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:25:23,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:25:23,160 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:25:23,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23 WrapperNode [2022-11-23 03:25:23,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:25:23,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:25:23,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:25:23,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:25:23,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,246 INFO L138 Inliner]: procedures = 266, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-23 03:25:23,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:25:23,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:25:23,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:25:23,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:25:23,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:25:23,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:25:23,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:25:23,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:25:23,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (1/1) ... [2022-11-23 03:25:23,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:25:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:25:23,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:25:23,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:25:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:25:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:25:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:25:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:25:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:25:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:25:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:25:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:25:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:25:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:25:23,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:25:23,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:25:23,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:25:24,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:25:24,025 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:25:24,039 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:25:24,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:24 BoogieIcfgContainer [2022-11-23 03:25:24,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:25:24,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:25:24,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:25:24,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:25:24,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:22" (1/3) ... [2022-11-23 03:25:24,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c17d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:24, skipping insertion in model container [2022-11-23 03:25:24,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:23" (2/3) ... [2022-11-23 03:25:24,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c17d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:24, skipping insertion in model container [2022-11-23 03:25:24,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:24" (3/3) ... [2022-11-23 03:25:24,054 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2022-11-23 03:25:24,071 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:25:24,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:25:24,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 03:25:24,086 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:25:24,185 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 03:25:24,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 163 flow [2022-11-23 03:25:24,341 INFO L130 PetriNetUnfolder]: 3/78 cut-off events. [2022-11-23 03:25:24,345 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:25:24,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 3/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-23 03:25:24,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 79 transitions, 163 flow [2022-11-23 03:25:24,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 159 flow [2022-11-23 03:25:24,360 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:25:24,377 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 159 flow [2022-11-23 03:25:24,381 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 159 flow [2022-11-23 03:25:24,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 159 flow [2022-11-23 03:25:24,427 INFO L130 PetriNetUnfolder]: 3/78 cut-off events. [2022-11-23 03:25:24,437 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:25:24,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 3/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-11-23 03:25:24,440 INFO L119 LiptonReduction]: Number of co-enabled transitions 1258 [2022-11-23 03:25:27,319 INFO L134 LiptonReduction]: Checked pairs total: 3579 [2022-11-23 03:25:27,320 INFO L136 LiptonReduction]: Total number of compositions: 67 [2022-11-23 03:25:27,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:25:27,347 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;@57514631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:25:27,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 03:25:27,351 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-11-23 03:25:27,351 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:25:27,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:25:27,352 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 03:25:27,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 03:25:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:25:27,358 INFO L85 PathProgramCache]: Analyzing trace with hash 269940548, now seen corresponding path program 1 times [2022-11-23 03:25:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:25:27,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988876852] [2022-11-23 03:25:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:25:27,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:25:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:25:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:25:27,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:25:27,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988876852] [2022-11-23 03:25:27,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988876852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:25:27,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:25:27,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:25:27,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940242080] [2022-11-23 03:25:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:25:27,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:25:27,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:25:27,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:25:27,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:25:27,622 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 146 [2022-11-23 03:25:27,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-23 03:25:27,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:25:27,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 146 [2022-11-23 03:25:27,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:25:27,710 INFO L130 PetriNetUnfolder]: 63/173 cut-off events. [2022-11-23 03:25:27,710 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:25:27,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 173 events. 63/173 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 719 event pairs, 24 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 310. Up to 82 conditions per place. [2022-11-23 03:25:27,719 INFO L137 encePairwiseOnDemand]: 138/146 looper letters, 26 selfloop transitions, 6 changer transitions 0/37 dead transitions. [2022-11-23 03:25:27,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 37 transitions, 141 flow [2022-11-23 03:25:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:25:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 03:25:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2022-11-23 03:25:27,739 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5570776255707762 [2022-11-23 03:25:27,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 244 transitions. [2022-11-23 03:25:27,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 244 transitions. [2022-11-23 03:25:27,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:25:27,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 244 transitions. [2022-11-23 03:25:27,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2022-11-23 03:25:27,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:27,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:27,766 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 49 flow. Second operand 3 states and 244 transitions. [2022-11-23 03:25:27,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 37 transitions, 141 flow [2022-11-23 03:25:27,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:25:27,773 INFO L231 Difference]: Finished difference. Result has 29 places, 29 transitions, 100 flow [2022-11-23 03:25:27,779 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=29, PETRI_TRANSITIONS=29} [2022-11-23 03:25:27,785 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2022-11-23 03:25:27,785 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 29 transitions, 100 flow [2022-11-23 03:25:27,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-23 03:25:27,787 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:25:27,787 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:25:27,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:25:27,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 03:25:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:25:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2126794493, now seen corresponding path program 1 times [2022-11-23 03:25:27,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:25:27,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088475288] [2022-11-23 03:25:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:25:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:25:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:25:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:25:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:25:27,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088475288] [2022-11-23 03:25:27,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088475288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:25:27,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:25:27,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:25:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944981033] [2022-11-23 03:25:27,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:25:27,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:25:27,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:25:27,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:25:27,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:25:27,957 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 146 [2022-11-23 03:25:27,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-11-23 03:25:27,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:25:27,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 146 [2022-11-23 03:25:27,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:25:28,044 INFO L130 PetriNetUnfolder]: 54/163 cut-off events. [2022-11-23 03:25:28,045 INFO L131 PetriNetUnfolder]: For 75/77 co-relation queries the response was YES. [2022-11-23 03:25:28,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 163 events. 54/163 cut-off events. For 75/77 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 669 event pairs, 28 based on Foata normal form. 2/157 useless extension candidates. Maximal degree in co-relation 364. Up to 105 conditions per place. [2022-11-23 03:25:28,048 INFO L137 encePairwiseOnDemand]: 141/146 looper letters, 18 selfloop transitions, 6 changer transitions 2/36 dead transitions. [2022-11-23 03:25:28,049 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 36 transitions, 176 flow [2022-11-23 03:25:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:25:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 03:25:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2022-11-23 03:25:28,055 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5228310502283106 [2022-11-23 03:25:28,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2022-11-23 03:25:28,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2022-11-23 03:25:28,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:25:28,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2022-11-23 03:25:28,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-11-23 03:25:28,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:28,063 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:28,064 INFO L175 Difference]: Start difference. First operand has 29 places, 29 transitions, 100 flow. Second operand 3 states and 229 transitions. [2022-11-23 03:25:28,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 36 transitions, 176 flow [2022-11-23 03:25:28,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 36 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 03:25:28,068 INFO L231 Difference]: Finished difference. Result has 30 places, 33 transitions, 130 flow [2022-11-23 03:25:28,068 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=30, PETRI_TRANSITIONS=33} [2022-11-23 03:25:28,069 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2022-11-23 03:25:28,069 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 33 transitions, 130 flow [2022-11-23 03:25:28,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-11-23 03:25:28,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:25:28,070 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:25:28,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:25:28,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 03:25:28,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:25:28,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1310556116, now seen corresponding path program 1 times [2022-11-23 03:25:28,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:25:28,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686674174] [2022-11-23 03:25:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:25:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:25:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:25:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:25:28,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:25:28,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686674174] [2022-11-23 03:25:28,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686674174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:25:28,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:25:28,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:25:28,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88051556] [2022-11-23 03:25:28,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:25:28,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:25:28,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:25:28,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:25:28,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:25:28,190 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 146 [2022-11-23 03:25:28,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 33 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2022-11-23 03:25:28,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:25:28,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 146 [2022-11-23 03:25:28,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:25:28,268 INFO L130 PetriNetUnfolder]: 64/182 cut-off events. [2022-11-23 03:25:28,268 INFO L131 PetriNetUnfolder]: For 113/123 co-relation queries the response was YES. [2022-11-23 03:25:28,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 182 events. 64/182 cut-off events. For 113/123 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 746 event pairs, 19 based on Foata normal form. 2/172 useless extension candidates. Maximal degree in co-relation 437. Up to 95 conditions per place. [2022-11-23 03:25:28,270 INFO L137 encePairwiseOnDemand]: 140/146 looper letters, 17 selfloop transitions, 7 changer transitions 10/44 dead transitions. [2022-11-23 03:25:28,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 44 transitions, 237 flow [2022-11-23 03:25:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:25:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 03:25:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2022-11-23 03:25:28,273 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5365296803652968 [2022-11-23 03:25:28,273 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 235 transitions. [2022-11-23 03:25:28,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 235 transitions. [2022-11-23 03:25:28,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:25:28,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 235 transitions. [2022-11-23 03:25:28,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-11-23 03:25:28,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:28,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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) [2022-11-23 03:25:28,278 INFO L175 Difference]: Start difference. First operand has 30 places, 33 transitions, 130 flow. Second operand 3 states and 235 transitions. [2022-11-23 03:25:28,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 44 transitions, 237 flow [2022-11-23 03:25:28,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 44 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:25:28,281 INFO L231 Difference]: Finished difference. Result has 33 places, 32 transitions, 158 flow [2022-11-23 03:25:28,282 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=33, PETRI_TRANSITIONS=32} [2022-11-23 03:25:28,282 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2022-11-23 03:25:28,283 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 32 transitions, 158 flow [2022-11-23 03:25:28,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2022-11-23 03:25:28,283 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:25:28,284 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:25:28,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:25:28,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 03:25:28,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:25:28,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2027001135, now seen corresponding path program 1 times [2022-11-23 03:25:28,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:25:28,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017637783] [2022-11-23 03:25:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:25:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:25:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:25:28,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:25:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:25:28,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:25:28,342 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:25:28,344 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-23 03:25:28,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-23 03:25:28,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-23 03:25:28,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-23 03:25:28,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-23 03:25:28,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-23 03:25:28,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-23 03:25:28,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:25:28,348 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 03:25:28,355 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:25:28,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:25:28,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:28 BasicIcfg [2022-11-23 03:25:28,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:25:28,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:25:28,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:25:28,384 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:25:28,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:24" (3/4) ... [2022-11-23 03:25:28,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:25:28,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:25:28,389 INFO L158 Benchmark]: Toolchain (without parser) took 6163.75ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 91.5MB in the beginning and 64.2MB in the end (delta: 27.3MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,390 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:25:28,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 933.89ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 64.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.13ms. Allocated memory is still 132.1MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,392 INFO L158 Benchmark]: Boogie Preprocessor took 43.09ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,392 INFO L158 Benchmark]: RCFGBuilder took 751.13ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 60.5MB in the beginning and 131.7MB in the end (delta: -71.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,393 INFO L158 Benchmark]: TraceAbstraction took 4338.11ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 64.2MB in the end (delta: 66.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2022-11-23 03:25:28,393 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 165.7MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:25:28,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 933.89ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 64.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.13ms. Allocated memory is still 132.1MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.09ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.13ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 60.5MB in the beginning and 131.7MB in the end (delta: -71.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4338.11ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 64.2MB in the end (delta: 66.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 165.7MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 79 PlacesBefore, 26 PlacesAfterwards, 78 TransitionsBefore, 23 TransitionsAfterwards, 1258 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 67 TotalNumberOfCompositions, 3579 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1901, independent: 1710, independent conditional: 0, independent unconditional: 1710, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 966, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 966, independent: 895, independent conditional: 0, independent unconditional: 895, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1901, independent: 801, independent conditional: 0, independent unconditional: 801, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 966, unknown conditional: 0, unknown unconditional: 966] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L937] 0 int i = __VERIFIER_nondet_int(); [L938] 0 pthread_t id; [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, glob=0, i=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND FALSE 0 !(\read(i)) [L944] 0 i++ VAL [#in~arg={0:0}, glob=0, i=1, i++=0, id={2:0}, m={1:0}, pthread_mutex_lock(&m)=25] [L945] COND TRUE 0 \read(i) [L946] 0 glob++ VAL [#in~arg={0:0}, arg={0:0}, glob=1, glob++=0, i=1, id={2:0}, m={1:0}, pthread_mutex_lock(&m)=0, pthread_mutex_lock(&m)=25] [L932] 1 glob++ VAL [#in~arg={0:0}, arg={0:0}, glob=1, m={1:0}] [L946] 0 glob++ VAL [#in~arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=26, i=1, id={2:0}, m={1:0}, pthread_mutex_lock(&m)=25] [L932] 1 glob++ VAL [#in~arg={0:0}, arg={0:0}, glob=1, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [946] and C: glob++ [932] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: 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, 96 locations, 7 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: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 2 mSDtfsCounter, 154 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=158occurred 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, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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! [2022-11-23 03:25:28,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b673457-deb3-40e5-a50c-2e5b53fd5032/bin/uautomizer-QkZJyEgLgS/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