./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8 --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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- 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-2329fc7 [2022-12-13 13:42:37,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:42:37,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:42:37,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:42:37,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:42:37,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:42:37,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:42:37,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:42:37,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:42:37,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:42:37,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:42:37,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:42:37,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:42:37,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:42:37,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:42:37,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:42:37,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:42:37,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:42:37,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:42:37,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:42:37,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:42:37,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:42:37,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:42:37,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:42:37,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:42:37,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:42:37,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:42:37,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:42:37,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:42:37,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:42:37,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:42:37,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:42:37,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:42:37,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:42:37,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:42:37,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:42:37,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:42:37,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:42:37,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:42:37,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:42:37,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:42:37,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:42:37,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:42:37,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:42:37,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:42:37,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:42:37,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:42:37,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:42:37,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:42:37,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:42:37,941 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:42:37,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:42:37,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:42:37,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:42:37,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:42:37,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:42:37,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:42:37,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:42:37,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:37,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:42:37,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:42:37,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:42:37,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:42:37,945 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:42:37,946 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_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2022-12-13 13:42:38,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:42:38,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:42:38,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:42:38,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:42:38,136 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:42:38,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread/bigshot_p.i [2022-12-13 13:42:40,748 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:42:40,955 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:42:40,956 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/sv-benchmarks/c/pthread/bigshot_p.i [2022-12-13 13:42:40,968 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/data/9e6900a2e/ef6c6a132ab54c26b55e7a55dbb919aa/FLAG8e580be26 [2022-12-13 13:42:40,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/data/9e6900a2e/ef6c6a132ab54c26b55e7a55dbb919aa [2022-12-13 13:42:40,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:42:40,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:42:40,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:40,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:42:40,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:42:40,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:40" (1/1) ... [2022-12-13 13:42:40,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268be9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:40, skipping insertion in model container [2022-12-13 13:42:40,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:40" (1/1) ... [2022-12-13 13:42:40,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:42:41,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:42:41,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2022-12-13 13:42:41,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:41,469 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:42:41,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2022-12-13 13:42:41,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:41,573 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:42:41,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41 WrapperNode [2022-12-13 13:42:41,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:41,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:41,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:42:41,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:42:41,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,618 INFO L138 Inliner]: procedures = 324, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2022-12-13 13:42:41,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:41,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:42:41,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:42:41,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:42:41,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:42:41,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:42:41,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:42:41,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:42:41,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (1/1) ... [2022-12-13 13:42:41,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:42:41,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:42:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:42:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:42:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:42:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:42:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:42:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 13:42:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 13:42:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 13:42:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 13:42:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:42:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:42:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:42:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:42:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:42:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:42:41,713 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:42:41,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:42:41,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:42:42,003 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:42:42,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:42:42,010 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:42:42,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:42 BoogieIcfgContainer [2022-12-13 13:42:42,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:42:42,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:42:42,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:42:42,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:42:42,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:42:40" (1/3) ... [2022-12-13 13:42:42,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ad93a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:42, skipping insertion in model container [2022-12-13 13:42:42,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:41" (2/3) ... [2022-12-13 13:42:42,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ad93a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:42, skipping insertion in model container [2022-12-13 13:42:42,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:42" (3/3) ... [2022-12-13 13:42:42,018 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2022-12-13 13:42:42,024 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:42:42,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:42:42,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 13:42:42,033 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:42:42,090 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 13:42:42,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 129 transitions, 274 flow [2022-12-13 13:42:42,158 INFO L130 PetriNetUnfolder]: 5/127 cut-off events. [2022-12-13 13:42:42,159 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:42:42,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 127 events. 5/127 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-12-13 13:42:42,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 129 transitions, 274 flow [2022-12-13 13:42:42,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 105 transitions, 222 flow [2022-12-13 13:42:42,169 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:42:42,177 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 105 transitions, 222 flow [2022-12-13 13:42:42,179 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 105 transitions, 222 flow [2022-12-13 13:42:42,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 222 flow [2022-12-13 13:42:42,199 INFO L130 PetriNetUnfolder]: 3/105 cut-off events. [2022-12-13 13:42:42,199 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:42:42,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 105 events. 3/105 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-12-13 13:42:42,201 INFO L119 LiptonReduction]: Number of co-enabled transitions 2084 [2022-12-13 13:42:44,693 INFO L134 LiptonReduction]: Checked pairs total: 4802 [2022-12-13 13:42:44,693 INFO L136 LiptonReduction]: Total number of compositions: 92 [2022-12-13 13:42:44,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:42:44,709 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;@4ed3c8c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:42:44,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-13 13:42:44,712 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 13:42:44,712 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:42:44,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:44,713 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:42:44,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 13:42:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:44,717 INFO L85 PathProgramCache]: Analyzing trace with hash 422744682, now seen corresponding path program 1 times [2022-12-13 13:42:44,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:44,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662579853] [2022-12-13 13:42:44,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:44,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:44,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:44,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662579853] [2022-12-13 13:42:44,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662579853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:44,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:44,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:42:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982307153] [2022-12-13 13:42:44,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:44,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:42:44,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:44,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:42:44,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:42:44,871 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 221 [2022-12-13 13:42:44,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 31 transitions, 74 flow. Second operand has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 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) [2022-12-13 13:42:44,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:44,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 221 [2022-12-13 13:42:44,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:44,938 INFO L130 PetriNetUnfolder]: 96/222 cut-off events. [2022-12-13 13:42:44,938 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 13:42:44,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 222 events. 96/222 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 859 event pairs, 72 based on Foata normal form. 13/208 useless extension candidates. Maximal degree in co-relation 349. Up to 169 conditions per place. [2022-12-13 13:42:44,940 INFO L137 encePairwiseOnDemand]: 215/221 looper letters, 17 selfloop transitions, 0 changer transitions 1/25 dead transitions. [2022-12-13 13:42:44,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 98 flow [2022-12-13 13:42:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:42:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 13:42:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 268 transitions. [2022-12-13 13:42:44,951 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6063348416289592 [2022-12-13 13:42:44,951 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 268 transitions. [2022-12-13 13:42:44,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 268 transitions. [2022-12-13 13:42:44,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:44,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 268 transitions. [2022-12-13 13:42:44,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 134.0) internal successors, (268), 2 states have internal predecessors, (268), 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) [2022-12-13 13:42:44,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2022-12-13 13:42:44,960 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2022-12-13 13:42:44,961 INFO L175 Difference]: Start difference. First operand has 35 places, 31 transitions, 74 flow. Second operand 2 states and 268 transitions. [2022-12-13 13:42:44,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 98 flow [2022-12-13 13:42:44,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 25 transitions, 90 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 13:42:44,965 INFO L231 Difference]: Finished difference. Result has 27 places, 24 transitions, 51 flow [2022-12-13 13:42:44,966 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=51, PETRI_PLACES=27, PETRI_TRANSITIONS=24} [2022-12-13 13:42:44,969 INFO L288 CegarLoopForPetriNet]: 35 programPoint places, -8 predicate places. [2022-12-13 13:42:44,969 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 24 transitions, 51 flow [2022-12-13 13:42:44,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 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) [2022-12-13 13:42:44,969 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:44,969 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:42:44,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:42:44,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 13:42:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 219920786, now seen corresponding path program 1 times [2022-12-13 13:42:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:44,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677523820] [2022-12-13 13:42:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:45,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677523820] [2022-12-13 13:42:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677523820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:45,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:45,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:42:45,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068167690] [2022-12-13 13:42:45,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:45,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:45,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:45,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:45,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:45,047 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 221 [2022-12-13 13:42:45,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2022-12-13 13:42:45,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:45,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 221 [2022-12-13 13:42:45,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:45,120 INFO L130 PetriNetUnfolder]: 145/298 cut-off events. [2022-12-13 13:42:45,120 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 13:42:45,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 298 events. 145/298 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1211 event pairs, 85 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 552. Up to 217 conditions per place. [2022-12-13 13:42:45,122 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 21 selfloop transitions, 4 changer transitions 5/35 dead transitions. [2022-12-13 13:42:45,122 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 35 transitions, 134 flow [2022-12-13 13:42:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:42:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2022-12-13 13:42:45,125 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5580693815987934 [2022-12-13 13:42:45,125 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2022-12-13 13:42:45,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2022-12-13 13:42:45,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:45,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2022-12-13 13:42:45,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2022-12-13 13:42:45,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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) [2022-12-13 13:42:45,130 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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) [2022-12-13 13:42:45,130 INFO L175 Difference]: Start difference. First operand has 27 places, 24 transitions, 51 flow. Second operand 3 states and 370 transitions. [2022-12-13 13:42:45,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 35 transitions, 134 flow [2022-12-13 13:42:45,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 35 transitions, 134 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:42:45,131 INFO L231 Difference]: Finished difference. Result has 29 places, 27 transitions, 77 flow [2022-12-13 13:42:45,131 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=29, PETRI_TRANSITIONS=27} [2022-12-13 13:42:45,132 INFO L288 CegarLoopForPetriNet]: 35 programPoint places, -6 predicate places. [2022-12-13 13:42:45,132 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 27 transitions, 77 flow [2022-12-13 13:42:45,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2022-12-13 13:42:45,133 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:45,133 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:42:45,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:42:45,133 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 13:42:45,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash 220182030, now seen corresponding path program 1 times [2022-12-13 13:42:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:45,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861407083] [2022-12-13 13:42:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:45,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:45,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861407083] [2022-12-13 13:42:45,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861407083] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:45,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:45,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:42:45,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453037984] [2022-12-13 13:42:45,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:45,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:45,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:45,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:45,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:45,198 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 221 [2022-12-13 13:42:45,199 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2022-12-13 13:42:45,199 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:45,199 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 221 [2022-12-13 13:42:45,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:45,272 INFO L130 PetriNetUnfolder]: 196/379 cut-off events. [2022-12-13 13:42:45,272 INFO L131 PetriNetUnfolder]: For 89/95 co-relation queries the response was YES. [2022-12-13 13:42:45,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 379 events. 196/379 cut-off events. For 89/95 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1537 event pairs, 38 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 860. Up to 216 conditions per place. [2022-12-13 13:42:45,274 INFO L137 encePairwiseOnDemand]: 214/221 looper letters, 24 selfloop transitions, 5 changer transitions 10/42 dead transitions. [2022-12-13 13:42:45,274 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 42 transitions, 197 flow [2022-12-13 13:42:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:42:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-12-13 13:42:45,275 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5490196078431373 [2022-12-13 13:42:45,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2022-12-13 13:42:45,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2022-12-13 13:42:45,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:45,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2022-12-13 13:42:45,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-12-13 13:42:45,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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) [2022-12-13 13:42:45,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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) [2022-12-13 13:42:45,278 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 77 flow. Second operand 3 states and 364 transitions. [2022-12-13 13:42:45,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 42 transitions, 197 flow [2022-12-13 13:42:45,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 42 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:42:45,279 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 113 flow [2022-12-13 13:42:45,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2022-12-13 13:42:45,280 INFO L288 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2022-12-13 13:42:45,280 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 113 flow [2022-12-13 13:42:45,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2022-12-13 13:42:45,280 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:45,280 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:45,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:42:45,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-12-13 13:42:45,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash -374194974, now seen corresponding path program 1 times [2022-12-13 13:42:45,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:45,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193455689] [2022-12-13 13:42:45,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:45,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:42:45,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:42:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:42:45,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:42:45,321 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:42:45,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-12-13 13:42:45,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-12-13 13:42:45,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-12-13 13:42:45,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-12-13 13:42:45,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-12-13 13:42:45,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-12-13 13:42:45,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-12-13 13:42:45,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:42:45,325 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 13:42:45,330 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:42:45,330 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:42:45,336 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,336 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,337 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,338 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,338 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,338 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,338 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,338 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:42:45 BasicIcfg [2022-12-13 13:42:45,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:42:45,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:42:45,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:42:45,350 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:42:45,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:42" (3/4) ... [2022-12-13 13:42:45,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:42:45,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:42:45,353 INFO L158 Benchmark]: Toolchain (without parser) took 4366.12ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 79.2MB in the beginning and 68.8MB in the end (delta: 10.4MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-12-13 13:42:45,353 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:42:45,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.60ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 79.2MB in the beginning and 151.7MB in the end (delta: -72.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-12-13 13:42:45,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.69ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 148.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:42:45,354 INFO L158 Benchmark]: Boogie Preprocessor took 28.72ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 147.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:42:45,354 INFO L158 Benchmark]: RCFGBuilder took 362.61ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 129.6MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:42:45,355 INFO L158 Benchmark]: TraceAbstraction took 3336.44ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 68.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-12-13 13:42:45,355 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 184.5MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:42:45,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.60ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 79.2MB in the beginning and 151.7MB in the end (delta: -72.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.69ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 148.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.72ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 147.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.61ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 129.6MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3336.44ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 68.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 184.5MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 109 PlacesBefore, 35 PlacesAfterwards, 105 TransitionsBefore, 31 TransitionsAfterwards, 2084 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 92 TotalNumberOfCompositions, 4802 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3100, independent: 2900, independent conditional: 0, independent unconditional: 2900, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1270, independent: 1226, independent conditional: 0, independent unconditional: 1226, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3100, independent: 1674, independent conditional: 0, independent unconditional: 1674, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 1270, unknown conditional: 0, unknown unconditional: 1270] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1111]: Data race detected [2022-12-13 13:42:45,363 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,363 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,363 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,363 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,363 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,364 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,365 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,365 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,369 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,369 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,369 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,369 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,370 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,371 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,371 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:42:45,371 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled Data race detected The following path leads to a data race: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [pthread_create(&t1, 0, thread1, 0)=-2, t1={10:0}, t2={9:0}, v={0:0}] [L1111] CALL, EXPR 1 calloc(8, sizeof(char)) [L1111] RET, EXPR 1 calloc(8, sizeof(char)) [L1111] 1 v = calloc(8, sizeof(char)) VAL [arg={0:0}, arg={0:0}, calloc(8, sizeof(char))={-3:0}, v={-3:0}] [L1123] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [pthread_create(&t2, 0, thread2, 0)=-1, t1={10:0}, t2={9:0}, v={-3:0}] [L1116] 2 \read(*v) VAL [arg={0:0}, arg={0:0}, v={-3:0}] [L1111] 1 v = calloc(8, sizeof(char)) VAL [arg={0:0}, arg={0:0}, calloc(8, sizeof(char))={-3:0}, v={-3:0}, v = calloc(8, sizeof(char))=117] Now there is a data race on ~v~0 between C: if (v) strcpy(v, "Bigshot"); [1116] and C: v = calloc(8, sizeof(char)) [1111] - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1116]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1124]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1125]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1126]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1122]: 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: 1123]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 166 locations, 13 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: 3.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 7 mSDtfsCounter, 137 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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! [2022-12-13 13:42:45,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2ecb7a9-0ee9-42fe-b9e7-860c47e94c86/bin/uautomizer-uyxdKDjOR8/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