./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.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_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/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_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/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_bec63037-b92d-489e-b92e-4a00b6c953c8/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 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- 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 15:43:29,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:43:29,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:43:29,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:43:29,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:43:29,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:43:29,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:43:29,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:43:29,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:43:29,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:43:29,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:43:29,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:43:29,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:43:29,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:43:29,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:43:29,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:43:29,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:43:29,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:43:29,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:43:29,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:43:29,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:43:29,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:43:29,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:43:29,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:43:29,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:43:29,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:43:29,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:43:29,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:43:29,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:43:29,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:43:29,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:43:29,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:43:29,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:43:29,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:43:29,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:43:29,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:43:29,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:43:29,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:43:29,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:43:29,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:43:29,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:43:29,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:43:29,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:43:29,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:43:29,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:43:29,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:43:29,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:43:29,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:43:29,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:43:29,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:43:29,943 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:43:29,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:43:29,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:43:29,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:43:29,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:43:29,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:43:29,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:43:29,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:43:29,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:43:29,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:43:29,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:43:29,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:43:29,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:43:29,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:43:29,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:43:29,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:43:29,948 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:43:29,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:43:29,948 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:43:29,948 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_bec63037-b92d-489e-b92e-4a00b6c953c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2022-12-13 15:43:30,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:43:30,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:43:30,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:43:30,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:43:30,129 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:43:30,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-13 15:43:32,723 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:43:32,935 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:43:32,936 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-13 15:43:32,949 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/data/d2c249b96/3322939685e14c0e94d5943f25fa6de9/FLAG351ac68c7 [2022-12-13 15:43:32,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/data/d2c249b96/3322939685e14c0e94d5943f25fa6de9 [2022-12-13 15:43:32,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:43:32,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:43:32,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:43:32,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:43:32,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:43:32,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:43:32" (1/1) ... [2022-12-13 15:43:32,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41774ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:32, skipping insertion in model container [2022-12-13 15:43:32,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:43:32" (1/1) ... [2022-12-13 15:43:32,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:43:33,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:43:33,151 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_bec63037-b92d-489e-b92e-4a00b6c953c8/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-12-13 15:43:33,368 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:43:33,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:43:33,379 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:43:33,387 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_bec63037-b92d-489e-b92e-4a00b6c953c8/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-12-13 15:43:33,408 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 15:43:33,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:43:33,459 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:43:33,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33 WrapperNode [2022-12-13 15:43:33,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:43:33,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:43:33,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:43:33,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:43:33,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,497 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-12-13 15:43:33,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:43:33,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:43:33,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:43:33,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:43:33,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:43:33,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:43:33,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:43:33,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:43:33,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (1/1) ... [2022-12-13 15:43:33,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:43:33,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:33,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:43:33,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-13 15:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-13 15:43:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-13 15:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-13 15:43:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:43:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:43:33,609 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 15:43:33,832 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:43:33,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:43:33,998 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:43:34,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:43:34,004 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:43:34,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:34 BoogieIcfgContainer [2022-12-13 15:43:34,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:43:34,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:43:34,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:43:34,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:43:34,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:43:32" (1/3) ... [2022-12-13 15:43:34,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7516f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:43:34, skipping insertion in model container [2022-12-13 15:43:34,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:33" (2/3) ... [2022-12-13 15:43:34,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7516f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:43:34, skipping insertion in model container [2022-12-13 15:43:34,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:34" (3/3) ... [2022-12-13 15:43:34,013 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-13 15:43:34,019 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:43:34,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:43:34,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 15:43:34,028 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:43:34,079 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 15:43:34,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 126 transitions, 268 flow [2022-12-13 15:43:34,144 INFO L130 PetriNetUnfolder]: 1/124 cut-off events. [2022-12-13 15:43:34,144 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 15:43:34,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 1/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 114 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2022-12-13 15:43:34,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 126 transitions, 268 flow [2022-12-13 15:43:34,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 114 transitions, 237 flow [2022-12-13 15:43:34,156 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:43:34,165 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 114 transitions, 237 flow [2022-12-13 15:43:34,167 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 114 transitions, 237 flow [2022-12-13 15:43:34,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 114 transitions, 237 flow [2022-12-13 15:43:34,188 INFO L130 PetriNetUnfolder]: 1/114 cut-off events. [2022-12-13 15:43:34,189 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 15:43:34,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 114 events. 1/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 114 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2022-12-13 15:43:34,191 INFO L119 LiptonReduction]: Number of co-enabled transitions 2914 [2022-12-13 15:43:37,320 INFO L134 LiptonReduction]: Checked pairs total: 8410 [2022-12-13 15:43:37,321 INFO L136 LiptonReduction]: Total number of compositions: 88 [2022-12-13 15:43:37,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:43:37,334 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;@7bf8eb30, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:43:37,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-12-13 15:43:37,337 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 15:43:37,337 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:37,337 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:37,338 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 15:43:37,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:37,341 INFO L85 PathProgramCache]: Analyzing trace with hash 404736019, now seen corresponding path program 1 times [2022-12-13 15:43:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:37,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259834305] [2022-12-13 15:43:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:37,586 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 15:43:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:37,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259834305] [2022-12-13 15:43:37,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259834305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:37,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:37,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 15:43:37,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470222791] [2022-12-13 15:43:37,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:37,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:43:37,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:37,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:43:37,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:43:37,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 214 [2022-12-13 15:43:37,620 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 122.5) internal successors, (245), 2 states have internal predecessors, (245), 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 15:43:37,620 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:37,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 214 [2022-12-13 15:43:37,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:37,711 INFO L130 PetriNetUnfolder]: 213/498 cut-off events. [2022-12-13 15:43:37,712 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 15:43:37,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 498 events. 213/498 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2410 event pairs, 213 based on Foata normal form. 20/474 useless extension candidates. Maximal degree in co-relation 844. Up to 393 conditions per place. [2022-12-13 15:43:37,718 INFO L137 encePairwiseOnDemand]: 211/214 looper letters, 22 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2022-12-13 15:43:37,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 119 flow [2022-12-13 15:43:37,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:43:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 15:43:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2022-12-13 15:43:37,732 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6191588785046729 [2022-12-13 15:43:37,733 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2022-12-13 15:43:37,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2022-12-13 15:43:37,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:37,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2022-12-13 15:43:37,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 15:43:37,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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 15:43:37,747 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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 15:43:37,748 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 81 flow. Second operand 2 states and 265 transitions. [2022-12-13 15:43:37,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 119 flow [2022-12-13 15:43:37,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 33 transitions, 114 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 15:43:37,753 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 70 flow [2022-12-13 15:43:37,755 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2022-12-13 15:43:37,758 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2022-12-13 15:43:37,758 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 70 flow [2022-12-13 15:43:37,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 122.5) internal successors, (245), 2 states have internal predecessors, (245), 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 15:43:37,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:37,759 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:43:37,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:43:37,760 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:37,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:37,760 INFO L85 PathProgramCache]: Analyzing trace with hash -339087113, now seen corresponding path program 1 times [2022-12-13 15:43:37,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:37,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6293881] [2022-12-13 15:43:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:37,834 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 15:43:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:37,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6293881] [2022-12-13 15:43:37,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6293881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:37,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:37,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:37,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504023657] [2022-12-13 15:43:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:37,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:37,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:37,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:37,860 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 15:43:37,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 15:43:37,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:37,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 15:43:37,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:37,980 INFO L130 PetriNetUnfolder]: 393/786 cut-off events. [2022-12-13 15:43:37,980 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:37,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 786 events. 393/786 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3586 event pairs, 303 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 1513. Up to 593 conditions per place. [2022-12-13 15:43:37,983 INFO L137 encePairwiseOnDemand]: 208/214 looper letters, 36 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2022-12-13 15:43:37,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 47 transitions, 182 flow [2022-12-13 15:43:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2022-12-13 15:43:37,985 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5841121495327103 [2022-12-13 15:43:37,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions. [2022-12-13 15:43:37,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions. [2022-12-13 15:43:37,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:37,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions. [2022-12-13 15:43:37,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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 15:43:37,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:37,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:37,988 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 70 flow. Second operand 3 states and 375 transitions. [2022-12-13 15:43:37,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 47 transitions, 182 flow [2022-12-13 15:43:37,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 182 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:43:37,989 INFO L231 Difference]: Finished difference. Result has 42 places, 37 transitions, 108 flow [2022-12-13 15:43:37,989 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=42, PETRI_TRANSITIONS=37} [2022-12-13 15:43:37,990 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2022-12-13 15:43:37,990 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 108 flow [2022-12-13 15:43:37,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 15:43:37,990 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:37,990 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:37,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:43:37,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1890729450, now seen corresponding path program 1 times [2022-12-13 15:43:37,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:37,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299478146] [2022-12-13 15:43:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:38,035 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 15:43:38,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:38,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299478146] [2022-12-13 15:43:38,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299478146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:38,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:38,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:38,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576072639] [2022-12-13 15:43:38,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:38,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:38,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:38,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:38,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:38,053 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 15:43:38,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 15:43:38,054 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:38,054 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 15:43:38,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:38,180 INFO L130 PetriNetUnfolder]: 513/976 cut-off events. [2022-12-13 15:43:38,180 INFO L131 PetriNetUnfolder]: For 209/238 co-relation queries the response was YES. [2022-12-13 15:43:38,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2182 conditions, 976 events. 513/976 cut-off events. For 209/238 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4727 event pairs, 209 based on Foata normal form. 6/910 useless extension candidates. Maximal degree in co-relation 2177. Up to 497 conditions per place. [2022-12-13 15:43:38,184 INFO L137 encePairwiseOnDemand]: 205/214 looper letters, 48 selfloop transitions, 9 changer transitions 0/63 dead transitions. [2022-12-13 15:43:38,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 63 transitions, 295 flow [2022-12-13 15:43:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2022-12-13 15:43:38,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.602803738317757 [2022-12-13 15:43:38,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 387 transitions. [2022-12-13 15:43:38,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 387 transitions. [2022-12-13 15:43:38,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:38,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 387 transitions. [2022-12-13 15:43:38,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 15:43:38,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,189 INFO L175 Difference]: Start difference. First operand has 42 places, 37 transitions, 108 flow. Second operand 3 states and 387 transitions. [2022-12-13 15:43:38,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 63 transitions, 295 flow [2022-12-13 15:43:38,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 63 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:43:38,191 INFO L231 Difference]: Finished difference. Result has 44 places, 45 transitions, 178 flow [2022-12-13 15:43:38,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=44, PETRI_TRANSITIONS=45} [2022-12-13 15:43:38,191 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2022-12-13 15:43:38,191 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 45 transitions, 178 flow [2022-12-13 15:43:38,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 15:43:38,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:38,192 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:38,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:43:38,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash -584841772, now seen corresponding path program 1 times [2022-12-13 15:43:38,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:38,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732462361] [2022-12-13 15:43:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:38,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:38,313 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 15:43:38,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:38,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732462361] [2022-12-13 15:43:38,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732462361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:38,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:38,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:43:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901335599] [2022-12-13 15:43:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:38,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:38,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:38,330 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 214 [2022-12-13 15:43:38,331 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 45 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 15:43:38,331 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:38,331 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 214 [2022-12-13 15:43:38,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:38,395 INFO L130 PetriNetUnfolder]: 69/230 cut-off events. [2022-12-13 15:43:38,395 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-12-13 15:43:38,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 230 events. 69/230 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 848 event pairs, 15 based on Foata normal form. 36/258 useless extension candidates. Maximal degree in co-relation 535. Up to 138 conditions per place. [2022-12-13 15:43:38,396 INFO L137 encePairwiseOnDemand]: 208/214 looper letters, 20 selfloop transitions, 6 changer transitions 1/35 dead transitions. [2022-12-13 15:43:38,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 35 transitions, 163 flow [2022-12-13 15:43:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2022-12-13 15:43:38,397 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5747663551401869 [2022-12-13 15:43:38,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2022-12-13 15:43:38,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2022-12-13 15:43:38,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:38,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2022-12-13 15:43:38,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 15:43:38,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,399 INFO L175 Difference]: Start difference. First operand has 44 places, 45 transitions, 178 flow. Second operand 3 states and 369 transitions. [2022-12-13 15:43:38,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 35 transitions, 163 flow [2022-12-13 15:43:38,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 131 flow, removed 6 selfloop flow, removed 6 redundant places. [2022-12-13 15:43:38,401 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 74 flow [2022-12-13 15:43:38,401 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2022-12-13 15:43:38,402 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2022-12-13 15:43:38,402 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 74 flow [2022-12-13 15:43:38,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 15:43:38,402 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:38,402 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:38,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:43:38,402 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:38,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:38,403 INFO L85 PathProgramCache]: Analyzing trace with hash -752751271, now seen corresponding path program 1 times [2022-12-13 15:43:38,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:38,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525780843] [2022-12-13 15:43:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:38,449 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 15:43:38,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:38,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525780843] [2022-12-13 15:43:38,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525780843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:38,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:38,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:38,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935983321] [2022-12-13 15:43:38,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:38,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:38,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:38,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:38,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:38,470 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 15:43:38,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 15:43:38,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:38,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 15:43:38,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:38,528 INFO L130 PetriNetUnfolder]: 78/219 cut-off events. [2022-12-13 15:43:38,528 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-13 15:43:38,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 219 events. 78/219 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 705 event pairs, 73 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 479. Up to 187 conditions per place. [2022-12-13 15:43:38,529 INFO L137 encePairwiseOnDemand]: 211/214 looper letters, 19 selfloop transitions, 2 changer transitions 6/31 dead transitions. [2022-12-13 15:43:38,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 133 flow [2022-12-13 15:43:38,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2022-12-13 15:43:38,532 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5623052959501558 [2022-12-13 15:43:38,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2022-12-13 15:43:38,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2022-12-13 15:43:38,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:38,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2022-12-13 15:43:38,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 15:43:38,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,534 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 74 flow. Second operand 3 states and 361 transitions. [2022-12-13 15:43:38,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 133 flow [2022-12-13 15:43:38,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 31 transitions, 127 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:43:38,535 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 60 flow [2022-12-13 15:43:38,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2022-12-13 15:43:38,535 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -6 predicate places. [2022-12-13 15:43:38,536 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 60 flow [2022-12-13 15:43:38,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 15:43:38,536 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:38,536 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:38,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:43:38,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 15:43:38,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:38,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1262174440, now seen corresponding path program 1 times [2022-12-13 15:43:38,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:38,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596869494] [2022-12-13 15:43:38,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:38,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:38,572 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 15:43:38,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:38,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596869494] [2022-12-13 15:43:38,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596869494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:38,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:38,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:38,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965629238] [2022-12-13 15:43:38,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:38,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:38,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:38,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:38,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:38,591 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 15:43:38,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 15:43:38,592 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:38,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 15:43:38,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:38,634 INFO L130 PetriNetUnfolder]: 45/136 cut-off events. [2022-12-13 15:43:38,634 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 15:43:38,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 136 events. 45/136 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 395 event pairs, 41 based on Foata normal form. 6/140 useless extension candidates. Maximal degree in co-relation 293. Up to 113 conditions per place. [2022-12-13 15:43:38,634 INFO L137 encePairwiseOnDemand]: 212/214 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2022-12-13 15:43:38,634 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 26 transitions, 112 flow [2022-12-13 15:43:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2022-12-13 15:43:38,636 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5560747663551402 [2022-12-13 15:43:38,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 357 transitions. [2022-12-13 15:43:38,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 357 transitions. [2022-12-13 15:43:38,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:38,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 357 transitions. [2022-12-13 15:43:38,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 15:43:38,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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 15:43:38,639 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 60 flow. Second operand 3 states and 357 transitions. [2022-12-13 15:43:38,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 26 transitions, 112 flow [2022-12-13 15:43:38,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:43:38,640 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2022-12-13 15:43:38,641 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2022-12-13 15:43:38,641 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -11 predicate places. [2022-12-13 15:43:38,641 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2022-12-13 15:43:38,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 15:43:38,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-12-13 15:43:38,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-12-13 15:43:38,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-12-13 15:43:38,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-12-13 15:43:38,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-12-13 15:43:38,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-12-13 15:43:38,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-12-13 15:43:38,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-12-13 15:43:38,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:43:38,647 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 15:43:38,651 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:43:38,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:43:38,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:43:38 BasicIcfg [2022-12-13 15:43:38,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:43:38,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:43:38,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:43:38,656 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:43:38,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:34" (3/4) ... [2022-12-13 15:43:38,658 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:43:38,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-12-13 15:43:38,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-12-13 15:43:38,667 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 15:43:38,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 15:43:38,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:43:38,668 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:43:38,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:43:38,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:43:38,699 INFO L158 Benchmark]: Toolchain (without parser) took 5732.55ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 89.4MB in the beginning and 53.7MB in the end (delta: 35.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,699 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:43:38,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.32ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 51.2MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.92ms. Allocated memory is still 127.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,700 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 127.9MB. Free memory was 47.9MB in the beginning and 45.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,701 INFO L158 Benchmark]: RCFGBuilder took 479.05ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 45.4MB in the beginning and 138.0MB in the end (delta: -92.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,701 INFO L158 Benchmark]: TraceAbstraction took 4647.18ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 55.8MB in the end (delta: 81.2MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,701 INFO L158 Benchmark]: Witness Printer took 43.42ms. Allocated memory is still 186.6MB. Free memory was 55.8MB in the beginning and 53.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:38,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.32ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 51.2MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.92ms. Allocated memory is still 127.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 127.9MB. Free memory was 47.9MB in the beginning and 45.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.05ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 45.4MB in the beginning and 138.0MB in the end (delta: -92.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4647.18ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 55.8MB in the end (delta: 81.2MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Witness Printer took 43.42ms. Allocated memory is still 186.6MB. Free memory was 55.8MB in the beginning and 53.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 120 PlacesBefore, 42 PlacesAfterwards, 114 TransitionsBefore, 36 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 88 TotalNumberOfCompositions, 8410 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3725, independent: 3422, independent conditional: 0, independent unconditional: 3422, dependent: 303, dependent conditional: 0, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1504, independent: 1461, independent conditional: 0, independent unconditional: 1461, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3725, independent: 1961, independent conditional: 0, independent unconditional: 1961, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 1504, unknown conditional: 0, unknown unconditional: 1504] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 178 locations, 14 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: 4.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 363 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 6 mSDtfsCounter, 363 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:43:38,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec63037-b92d-489e-b92e-4a00b6c953c8/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 Result: TRUE